List of mods which work on Android and other non Windows platforms without troubles

List of mods which work on Android and other non-Windows platforms without troubles

List of Half-Life-based mods

Originally this list was written by Qwertyus(Qortez)

To run mods from this category - place mod folder to folder where is valve folder located and launch xash3d fwgs with command-line parameter -game <modfolder>.

For mappacks - place *.bsp files to valve/maps folder, *.wad files to valve and type map <mapname> cmd.

The big singleplayer mods and mappacks

101 grunts
1986(Black Mesa Circa 1979,1986)
A dream aka Map a Dream by Skals (set fps_max to 60 to prevent a possible sticking of the box in the elevator at the map comp28m2)
Adam
Affliction
Afraid of Monsters
Agamemnon Icarus Glass
Aggregate Pain
Alternative Way: Part 1
Assassin Mark 2
Assault on Roswell v2.0
Back to Xen
Back to Xen 2
Be Careful!
Beginnings
Betrayal (the mod has inner bugs; set gl_allow_mirrors to 0 to prevent drops of game's perfomance in some areas)
Between Two Worlds
Black Mesa Energy Testing Chamber
Black Mesa Sideline (set gl_allow_mirrors to 0 to prevent drops of game's perfomance in some areas)
BlackMesa 2007( Black Mesa Missions 2007 )
Blood and Bones
Boom (Huknenn) v1.0 & HL Boom: Gold Edition v1.1
BoomeNShtein3D: Episode 1
Brave Brain
Breakdown
Breakdown 2: Afterwards
Buddhist Wars
C&C Tiberian Dawn v2.0
Castle Creep (there is an inner bug in the end of 4th map - don't go further of that point where a bomb is placed, otherwise level change will not work)
Castle Disposed
Chaos Theory
Chernobyl (this mod has inner bugs; in the beginning you have to use noclip, to fix a sticking in the bus)
ChickenMix
ChickenMix 2 (there are a couple of minor bugs, but they are inner bugs of the mod)
Confronted with Consequences
Construction
Conundrum
Conundrum 2
Crash (there is a small issue with a lift in a final map - you should stay closely to the lift's button after you've pressed it, otherwise door of the lift won't open)
CWC Board Mappack Initiative (the mod has inner bugs)
DAV Sub
DAV Train
death = power
Death in the Dark (there are some minor inner bugs, but they don't interfere with the mod's progress)
DejaVu v2.00
Destination Black Mesa (there is a small inner problem that can randomly appear in the mod's ending - the last map with credits may not work properly; type restart command into console if you get this issue)
Destiny
Do
Doomed-life
Down Time
Drug Barons
Dungeon Death
Dust Runner v1.1
Dwell
E. T. C. ( Earthquake Testing Centre )
E. T. F.
E7: Black Star (set fps_max to 50 for the map an_ele to prevent a possible sticking of boxes on a big elevator's platform; or you can try to push a box down from the platrofm before the elevator stops)
Edge of Darkness
Edge of Death - Series 1
Engineering Mankind
Episode Power Plant and China
Episode Secret Weapon (you will face a serious inner bug at the second map if you try to play this mod on hard difficulty)
Escape by Leo Ring
Escape from the Egyptian Tomb( RacerX Compo 12 Egyptian Museum )
Espionage
Exodus
Exodus 2
Failure
Faraon
Fate Reversal v1.1
Fathom 2.4
Freeman
Freeman's Escape (2 maps by JiggZ)
Freeman's Fight
Freeman's Return
Freeman's Return 2
Freeman's Revenge
Freeman's Tomb( The Crypt )
G-Invasion v2.5( G-Man Invasion ) (there is an inner crash bug on final titles: some text lines are too long and cannot be properly displayed)
G-Man House
GameStar( Episode 4 GameStar )
Gateway
Gateway 2
Gina's Adventures
Gman Island Part 1
Gman Island Part 2
Graber v1.1
Ground Zero by Derek 'Hellfire' McBurney
Gut Reaction
Half-Life: Dreamcast v1.1
Half-Life: OPS (link dead!)
Half-Quake
Half-Quake 2: Amen
Hard 2 (set fps_max to 60 to prevent a possible sticking of Barney on an elevator in the beginning of the mod)
Hardman - In the City (the updated version of the mod has been tested)
Haunted (set sv_validate_changelevel to 0 to avoid a problem with level change between maps pagan7 and pagan8)
Hazardous Materials: Episode 1 & 2
Hazardous-Course 2
Help Wanted
Hidden Evil v1.01
High Speed
hlife_hotdog_compo26
Home Alone -NOT
Hour-Glass
Idol Hunt
Independence Day (set sv_validate_changelevel to 0 to avoid a problem with incorrect level transitions)
Infestation
Infiltracja
Infinite Rift
Instinct
Insurrection
Irreality
Ispitatel
Kill All Greenpeace
Krypton (there is one inner bug on the map with a rocket pad - the rocket can get stuck when you try to launch it)
Lands of Lore v2 (set gl_allow_mirrors to 0 to avoid performance problems with last 2 maps)
Last-life
Life's End
Macky's Adventure
MadCrabs (there are couple of potential scripting problems, but they seem to be inner problems of the mod, so if you stuck somewhere just try to replay your game from last autosave)
Marine Invasion: Episode 1 & 2 + Freak-Lager(OF map)
Mario Keys
McBeth
Medieval World
Mel Soaring 2: Star Rancor
MINIMICUS
Mission Failed
Mission MC Poker
Mission of Mercy
Mission to Kill
Mission to Kill 2
Moonwalker
Mystery House v1.0
NewBlackMesaVille
Night Shooting
No Exit
No-Life
Nuclear Power Plant
Occupied Territory
Operacja Gargantua
Operacja Mirra
Operation Krautsalat v1.1 (there is a potential inner bug at third map - a door to the control room will not be opened, until all alien grunts leaved their cells, so don't kill any of them, which are still in cells)
Operation: Nova (there is an inner bug with an M60 machinegun on a map with Osprey: it can be activated and used if you are staying in front of it, not behind it)
Optimum Fear
Outrun
Outwards (Day One)
Overhaul Pack (Just HD pack for Half-Life)
P.I.Z.D.E.C.
pagoda
Peaces Like Us v1.0
Phobos IV
Pimp My Car (there is an inner issue with incorrect responses of buttons on combination locks)
Point Blank – Stackdeath Complex
Prisoner Escaped
Prisoner of Event
Prisoner of War
Project Quantum Leap
Project VIP
Projekt Einstein
Recon( Reconnaissance )
Red Mesa
Red Mesa 2
RES v1.0
Rescue 9-1-Freeman
Resistance
Resistance 2
Resistance 3
Return
Return 2 (there is an inner problem in the first map with a moving of the second metal box, just keep pushing the box, until it begins to move)
Reviviscence
Road of Destiny
Rooms: TWHL COOP Project( Rooms Half-Life or TWHL Rooms ) (set gl_allow_mirrors to 0 to prevent drops of perfomance at the map rooms7)
Run for Life (the "stolen" version of this mod with changed menu background also known as Mad Escape)
S.W.A.T.
Sabotage
Sagharmath (link dead!)
Sandscroll
Saving Bob
Secret Base
Secret Santa 2011 for Soup Miner
Secret Santa 2011 for Stojke
Senses in Decay
Shift-Two v1.1
Sky Mesa
Sleephorst v1.5
Smart Decoy
Somewhere in Time (link dead!)
Sooper 2 (link dead!)
Split-Second
Subhumanity
Terror Side (set sv_validate_changelevel to 0 to avoid problem with level change between some maps)
Test Your Skill (link dead!)
The Challenger Deep
The Challenger Deep 2
The Evil Thing
The Evil World
The Haunted Lab
The Long Night
The Mansion
The Night Things
The Night Things 2: Woodstock Manor
The Ropes (set fps_max to 60 to prevent a possible sticking of a barrel which you need to lift down with an elevator at the second map)
The Way Is Clear
The Way Is Clear 2
The Xeno Project
The Xeno Project 2
Then and Now
They Live( Chungo )
Timefall
Timeline
Timeline II: Iced Earth
Todesangst
Tokami Island
Tower (set sv_validate_changelevel to 0 to avoid a problem with incorrect level transitions)
Trespasser
Try, Try Again
Tucked Up
TWHLmix
Two Smoking Barrels
Typical Disaster
Typical Disaster: The Lost Levels
U-Life
Underground v2.0 (there is an inner crash bug on final titles: some text lines are too long and cannot be properly displayed)
Underground Territory
Undertime
Uplink Addon v1.2
Uplink Lite & Uplink Lite Plus Demo
USS Darkstar (set gl_allow_mirrors to 0 to prevent drops of perfomance in some areas)
Vengeance
Virtual Reality: The Real World
VLOKAM
VLOKAM 2
Wail of Death
Wail of Death 2: The Hell Master
War Crimes v1.2
Windmill v2.0
World War III Missions (parts 1, 2 & 3)
Worst Holiday (there are 2 problems with doors; a door at second map can be opened if you sit down near it; to pass the door in laboratory you should run quickly as you can from ventilaion shaft - there is an autosave point on a previous map, if you failed)
Xen
You Are in Army Now
Zubben
Half-Life C.A.G.E.D. (set -num edicts 4096 in command-line parameters for successful start)

Unfinished singleplayer mods and mappacks

Alpha Research Facility v0.3
Back in Future Alpha version
Biohazard 2 (unfinished mod version)
Bloodreign (the mod has inner bugs, especially second map)
Boreality: Part 1 (there is a visual glitch problem on the map mell04, but same happens for original Half-Life too)
Catacombs: Part 1
Cro-man's Office Mappack
Half-Life Episode Two Demo Alpha v1.0
Hazardous-Course (first version of Hazardous-Course 2) (link dead!)
High Tech v0.2
HL Shadows, Part 1
HLNewEnd
Kleiners Adventures Demo
Kleiners Adventures: The White Line Demo (link dead!)
LV-426: Episode 1
Malevolence(1.3 and older)
Meth-Life Demo v1.0
Night-Fire Demo
On the Other Side aka OTOS (there is a train-related bug in the beginning, which makes you to use noclip, but it's an inner flaw of the map)
Orion: Part 1( Project Orion )
Padle Mesto Demo (some scripts & buttons are not configured properly in this mod, so they can be activated/deactivated automaically after reloading of a saved game)
Panic at Black Mesa Demo
Plan B v1.1
Project Focus North v1.6 Demo
Qortez( Quortez ) (it's recommended to use only default low-poly model of scientist for this mod; also set fps_max to 60 via console to prevent an issue with one of scripted sequences)
Return to Lambdacore Demo
Route City Beta 1
SHAFT - Part 1
Shortcut v1.0 Beta
Stoka
Striker's Compo 26 (buggy)
Technology Test 2 (link dead!)
The Gate Playable Demo
They are Back
Tiefseelabor( Deep Sea Laboratory )
Time-Shift (link dead!)
Train Single Beta (Remove gfx.wad from TrainSingle folder)
WAR: The Killer Beta 0.1
White Force Beta( Residual Point prototype )
Your First Mission Demo
Zombieland v1.1

Just mappacks

AvsM 1 v1.2 (link dead!)
Cook The Headcrab Episodes 1 & 2
Cook The Headcrab Episode 3
Cook The Headcrab Episode 4
DAV HL Pack 1
Discoman v2.2
Dramatic Measures( Surprise! )
Funny Map Pack 1
Half-Life Shorts
Half-Starwars
Japanese Episodes
K7 Trouble (Remove string secure 1 from liblist.gam)
Night Shift Beta
Pillars of Pain: A Buddy & Kona Saga( PoP-BaKs )
Star Wars Half-Life (second map running via console using map swpart2 cmd)
The Crabulator v0.1.9.6.1 (Rename mod folder to TheCrabulator)
The Mansion by Unbreakable
TS_MF
TWHL Cubicles
Valve ERC Contest #1 - The martyred pop machine
Valve ERC Contest #2 - Best train-ride sequence
VOLCAN Beta 1.3
Woodpigeon's Map Pack

Singleplayer mods or mappacks with a little incompatibilities

there is a same critical issue in first 9 mods - an unworking level transition from a first map to a second one; to overcome the bug, follow these steps:

start a second map of a mod - 2009eb_map2 / HLRE2 / deth2 / paranormal2 / jail2 / map2 / ward / mistake2 / SAJ2A - manually via console
step back to activate a level transition to the previous map
type restart into console
play with working transition!

Mods:

2009EB
A Day in the Life of a Coward
Deth
HL: Paranormal Demo
Jailbreak
Misantrophy
Mistaken Identity
Mistaken Identity 2
The Returning
Alternate Path (there is an issue with deep sticking in elevator, when you return from map out3 to map out2, so you'll be forced to use noclip as solution; also you need to set sv_validate_changelevel to 0, because of unstable level transition between map outside and map out2)
Final Run
Hard (you can get stuck inside boxes in a moving truck on the second map of the mod - type restart command in the console to fix your position when the next map is loaded and truck is stopped)
Office Commando (changelevel bug between 1st, 2nd and 3rd maps)
Preview of the "Paradox" (changelevel bug between 1st, 2nd and 3rd maps)
The Hill (there is a mapper's flaw in changelevel settings between maps thehill & thesequel, it can be corrected only manually by editing of entpatches for these maps - you need to rename "bottom rung" value to "bottomrung"; after editing you new to start new game)
Threatening Skies Pre-Demo (aka Half-Life 1.5; you can get stuck in a roof of a train on level change between maps game010c and game010d; use noclip or restart command to fix this)

Singleplayer mods which has custom gamedll with minor changes and fully playable with vanilla Half-Life libraries

Big Lolly
Citizen Arms Demo 2 (there are few inner bugs in the mod, but it still playable)
DALEK unbidden
Fight for Life
Half-Life Baby v1.4 (it's an unfinished but playable mod; after installing of the mod open liblist.gam or gameinfo.txt file in the mod's folder and correct the line gamedll "..\hlbaby\dlls\hl.dll" for gamedll "dlls\hl.dll", otherwise you'll not be able to start a game)
Half-Secret
Induction
Lost in Black Mesa(first version without HLFX)
Soldier
Solo Operations
The Blood v1.1 (there are some inner bugs in the mod, but they don't interfere with a game progress)
The Escape (there is a couple of strange glitches on a map evasion7, but they are not interrupting a gameplay, just don't forget to download and install all of presented fixes for the mod)
Wilson Chronicles: The Unfinished Edition

Singleplayer mods with one map or single maps

3rd505th
5 More Ways to Die
5 Ways to Die
5 Worse Ways to Die
A Bad Day
A Disgruntled Christmas
Accidental Life Demo
Aftermath
Ali Meyer
Alien (map by Nicolas Gadenne)
Alien Blast
Alien Survival
American Training Facility
An Escape
Area Assault
Assassination
Atom's Mini Compo by Tetsu0
Atom's Mini Compo by zeeba-G
B.O.G aka Black.Orange.Grenade (you need to have additional textures to play this map properly - opfor.wad & tfc.wad; also game crashes in the final because of inner mapping flaw )
Barney's Dream Demo( B-dream Beta )
Barrel of Grunts
Beach Party
Beastie
Black Mesa South (there are few minor glitches, but they are inner flaws of the map and don't interfere with completing a game)
Black Mesa Storage Facility - Bay A2
Black Mesa Xmas(A Black Mesa Christmas)
Blood and Guts
Blood1 (link dead!)
Bhop
Breakout (map for Single Mapping Competition by BennyBlanco)
Breakout (map by Mediocre MapGuy)
Bullsuid Will Survive
C2
C3
C5
Caged (link dead!)
Camera Puzzle (this map perfectly demonstrates an improved feature of Xash3D Engine - game is correctly saving and restoring 3rd person view for the player after loading a previously saved game)
CataXen
Cause of Death
Challenge (map by tnkqwe)
CHALLENGE aka Can You Live (map by killer487554; remove spaces in the map name before you play)
Choices
Chuck - Texas Rangers
Coach
Cook The Headcrab
Core01 (map for Fast Level Design competition by Flash)
Crawler
Crysis 3 (map for Single Mapping Competition by Raid)
CUBE (map by Jobabob)
danger1
Data-base
de_dust2_azabetfeN (remove cl_dlls & dlls folders from inside of mod's directory before you start the game)
De-railed
Dead Shift Beta - Demo 1 & Demo 2 (3rd link dead!)
Deep
Desert Attack
Desert Combat Demo (despite a big file size there's only one small unfinished map)
Desert Strike
Devil Mesa
Disco Party v1.1
dissolution (you need to have additional textures to play this map properly - nw.wad from Nightwatch Texture Pack and decals.wad from Opposing Force)
Doomed Demo
Dream1_ver3, Dream1_ver2, Dream1
Dressed to Kill
Dying at Sea( Signs )
eif coloseum
eif_room
eif_school
Emissary
En Route 66 (set -num edicts 4096 in command-line parameters for successful start)
Enclosed Space
Endlevel Boss
ES (map for Single Mapping Competition by Flash)
escape by killer1102 (there is a potential bug with a scientist, who should open a door for you, but it's an inner scripting problem of the map)
Escape from Black Mesa v1.44 (map from TWHL by Satchmo) (wrong link!)
Escape Off (a part of this map was used later in Friendship 2.0 mod)
Evasion
Evil Space
Experimental Problems
Extinct Lifeform Hunt
Facility
Facility Escape
Fallout (map by simb)
Final Assault
Flat
Freeman's Allegiance
Freeman's Escape (map by Dave Crabb)
Freeman's Suicide( Kill Yourself )
Funhouse
Func_breakable - The Invasion (map from TWHL by Archie aka The Hunter)
Genetic Research Facility
Gladiator
Go to Xen Awalk(Xen Walk/SP-Offyxen)
goldsource (link dead!)
Govnomod (DevTest Demo was tested; for the proper installation you should have Counter-Strike mod preliminarily installed in your main game folder; demo map text is on russian)
Govnomod: Mysterious Force
GruntMatch
Grunts Domain( archiveSP01 )
Gunship v1
Half-Life 1: Traptown E3 2003
Half-Life 2 Tech Demo Parody( Half-Life 2 Physics Test Level )
Hard Way
Headcrab Revenge
Headcrab-BOSS
HL Dance( Half-Dance )
hl_egzekucja
HLywood
Hnaii - Office Komplex
Hospital (you need to edit liblist.gam file in the mod's folder - delete gamedll & type strings from it before you start to play)
Hostage
House
Impulse 101 Fun - The Train (map from TWHL by Archie aka The Hunter)
In America
In the Kitchen
Infiltration
Interactivity & Lots of Entities (link dead!)
Interior
Into the Frying Pan
Island Bombing
Ivy
Jump Program
Killer on the Run
Killing House for Half-Life
Kosovo 2000
Kosovo II – The Second Day
KotiteolliSuus
Kyo Half-Strike (there are few error messages at start, which can be safely skipped; also the code in the beginning is 3141)
l33t Test 1: Conclusive Analysis
Lab
Lambda Station
LC (map for Fast Level Design competition by Slux)
LDSF( Laser Deployed Security Force )
Locked Up
Looping Stage
Lord's Lair
Losspower
Lost-World
Lounge
MatrixTrainstation
Maze01a (link dead!)
Meat, Blood, Gun (there are 2 maps, but only first map is playable, in fact)
Merry Christmas to hlife_hotdog aka Happy Holidays (to play the right map, enter map happyholidays into console, or edit startmap parameter in liblist.gam file inside mod's folder)
Museum Lockdown
My Backyard
My Black Mesa (map for Single Mapping Competition by Zanzer)
Nameless (map for Single Mapping Competition by AGRESSOR)
Need for Energy(SP-Energy)
Nightmare: A horror map
Nightshift_FsC
No Chance
No Regret
Nuclear Aftermath (map 48h_map1_pre by Bluthund)
Nuke (map tmdnuke by the-middleman)
Observatory
Ominous Reality: Part 1
Operation Rainbow
Operation Randomosity
Orb
Osprey Chopper Competition (map by Andy)
Otage Beta v0.05
Outpost
Oxidum (the map is unfinished and after a dead-end there is another interesting place that you can reach only by using of noclip)
Pac-Man
Parallax Beta (there are 2 maps, but only first map is playable, in fact)
Postal
Problems in Building 2
Pulse: Demo #1
Quake
Quilted Thought Organ
Radix (this map is also a part of Project Quantum Leap mod)
Rat Hunt: Quarters (there is only 1 little issue - rats counter messages do not displayed until all rats are eliminated)
Remember All
Rescue by SaCo (there is an inner bug - once you have activated a scientist in the end of the map, you should run quickly from him to the door with a scanner, otherwise he gets stuck into you; so you have to kill all enemies before you activate him)
Rescue 2 (map by SaCo)
Revamp
Rogat
Rooms (map by ghost2)
Ruled by Insanity
Rube Goldberg aka Entity Challenge 2(map by Captain Terror)
Rube Goldberg Machine (map by TJB)
Rum
Rumble
Run, Run, Run!
Runaway
Runder
s_3_LumbdaCore (map for Fast Level Design competition by Sania3)
Saving Santa ( Secret Santa 2011 for Rimrook by Urby )
sand_01
SciMaker 1.1 (With Kill Func)
Scientist Killing
Scientists Hideout (map 48h_m01 by ToTac)
Scramble
Seek and Destroy
SelfKill
SEMTEX (map by kol)
Sepulcher
Shootout Alpha 3
Small Battle
Small Battle 2
Smash Half-Life
Snatch
Soft Boiled
Someplace Else (this map is also a part of Project Quantum Leap mod)
Somewhere( Kasperg: Unique Map )
Southeastern Lan Party
sp_valley
Space_Lasercore
Spearhead
Spellbinder - The Summoning Tower v1.2
Sproutch Mod!!! (another variation of this map is Bullsquids Pet)
Star (there are 2 maps, but only first map is playable, in fact; also changelevel is not working properly there, but it's an inner bug of the mod)
Stacja
Station17
Storage Facility (map by T.J Brosnan)
Strange Findings Part 1
Subway - The Longest Fall (you need to have additional textures to play this map properly: opfor.wad from Opposing Force, specialists.wad from The Specialists, tfc2.wad from Team Fortress Classic and wanted.wad from Wanted!)
Surfacerun
SwirusMap (call it "Dream")
Target Practice
Technical Problems
Teh Hammre
Test Lab 16
Test Map (map by NinjaBlack1337 aka Guillermo_SPY)
Test of Destruction
The Abandon
The Arena - Room 1
The Crab Lab
The Cupboard of Doom
The Desert of Doom
The Gloom
The History Can Be Changed (you need to have additional textures to play this map properly - opfor.wad from Opposing Force)
The House Beta 0.1
The Innocent Eternity (there are 2 maps, but only first map is playable, in fact)
The Interview, Stage 1
The Last Survivor (there is an issue with saved games in this map - they don't work properly after loading, but it's an inner flaw of the map, not an engine's bug)
The Leech Pits
The Origin of Symmetry
The Plague
The Playtest
The Poseidon Incident( USCM: Infestation Demo )
The Run
The Secret Mission
The Silo Station
The Stupendous Quest of the Annoying Microwave
The Swimmingpool (there is an inner bug of unmovable trashcan, so you have to use noclip on your way back)
The Transporter( Xen Transportation )
The_Work_Area v1.0
Torching the Light
Torture a Friendly NPC
Torture That Alien
Total Evasion
Tower (Required Spirit of Half-Life for item_suit)
TriggerHappy
TriggerHappy2
TriggerHappy2.5 (link dead!)
Trouble
Tunnels
Twisted Hazard Course
Two Towers
Underground Facility
Unnamed by rowleybob
Urb's Challenge
USAF
USS Gaspra
USSL Blue Mesa (remove space from the end of the map's name before you play)
Valve Pressure Beta v2
Vassy Compo
Vilcabamba (this map is also used as a first map in Idol Hunt mod)
Vital Signs
Wake Up and Stay Alive
war_coop1
Warehouse Firefight
We Got Work to Do!
Weird Dreams (Required Spirit of Half-Life for item_suit)
When the Army Came to the Office
WTF
WWE Bullsquid Royal Rumble
Wybuchowka
X-treme Violence
XargoL's Entry for Vassy's Compo
Xen Again
Xen World
XUnil
Zeeba-G's TWHL Compo 26 Entry
Zombies!
Zone: Map 1 (Intro)
Zone: Map 2 (Part 1)
Zone: Map 3 (Part 2)

List of mods which based on Spirit of Half-Life

Originally this list was written by Qwertyus(Qortez)

Spirit of Half-Life - extended toolkit for HL1 mappers by Laurie Cheers.

To run mods from this category - first of all place mod folder to folder where is valve folder located.

On android install launcher from here and run it with command-line parameter -game <modfolder>

On iOS use library suffix sohl or Spirit

For Linux and OS X you must download crossbuild from here and place cl_dlls/dlls folders from archive to your mod folder.

Mods which based on vanilla Spirit of Half-Life 1.2 or older(Fully playable with SoHL 1.2 libraries)

Accidental Assassin (has inner bugs; type restart if you stuck on changelevel)
Big Scientists
Black Silla Assault DEMO v1.2
Blbej Den
Cold Experiment v1 (you will need some files from SoHL to play it properly; download SoHL 1.2, extract files and copy following folders into coldexv1 folder: cl_dlls, dlls, models, sprites)
Dead Sector v1.0a
Death Is Dead (there is a fog-related inner bug at the first map)
Escape from Black Mesa Alpha
ESCAPE: Trainingroom
City Crush v0.1
Invasion 105 v2.0
Issues( Project Quantum Leap 2 )
Mission Impracticable 2
Prison v2.1
Prize v1.1
Radiation Alert: Episode 1 v1.1
Run From Hell v1.1b (there is an inner bug with underwater crates in the map firstmap9 - they can't be broken, so you should use noclip to pass through them)
Santa's Revenge (set fps_max to 60 to avoid an inner problem of the last map with final scripted sequence, otherwise the mod can not be finished properly)
Sector 6 (link dead!)
Space Prisoner v1.1 (after installing of the mod open liblist.gam or gameinfo.txt file in the mod's folder and correct the line gamedll "..\prison\dlls\spirit.dll" for gamedll "dlls\spirit.dll", otherwise you'll not be able to start a game; there is also a scripting error on a third map of the mod, so you'll be forced to use noclip to pass around bugged place)
Terrorist Attack 2 (link dead!)
Timeline III: The Heart of Darkness
Underground 2 Demo

Mods which based on modified Spirit of Half-Life 1.2 or older(Partially playable with SoHL 1.2 libraries or not playable at all)

Black Death
Borderlands v0.4
Dark Territory (set fps_max to 60 to avoid an inner problem of the map tau_jungle_02 with a scripted sequence, otherwise you can get a gamebreaking bug)
Dead Way Alpha
Emergency
ESCAPE (final) by DMC Interactive
ESCAPE 2 by DMC Interactive
Force of Evil
Friendship: Town of half-life.ru mappers v2.0 (has inner bugs)
Malevolence v1.4 Open Source Beta
Portrait of Freeman v1.1
Project M.L.P v1.0 (Remove halflife.wad from mod folder)
Snark Planet Demo
Survive in Catacombs
Survive in Catacombs 2: Fear (Bloodbath)
The Lost Hell
The Trap v1.50 (mod by Reaktor)
Ispitatel 4: Classic
Half-Life 2: Classic Demo

Mods which based on Spirit of Half-Life 1.4/1.5/1.8(Fully playable with SoHL 1.8 libraries, partially playable with SoHL 1.2 libraries or not playable at all)

Before v1.0
Christmas Life v1.0 (initial mod works properly, but additional mappacks for this mod contain few maps that have some gameplay problems under Xash3D)
COLONY 42 Alpha
Crazy Crabs Demo 1 & 2 (link dead!)
Far Crab Demo v2
Firefighter Demo v1.1
Halfquake 3: Sunrise
Prototype 98 (set fps_max to 60, otherwise you can get stuck in some places)
Reissues v1.1
Santa's Revenge 2: Xmas Meltdown
Tactical Espionage Action v1.0
TWHL Tower Alpha

Mods which based on Spirit of Half-Life 1.3/1.6/1.7/1.9(Fully playable with SoHL 1.9 libraries, partially playable with SoHL 1.2 libraries or not playable at all)

List of Opposing Force-based mods

Originally this list was written by Qwertyus(Qortez)

To run mods from this category - first of all place mod folder and gearbox folder from Opposing Force to folder where is valve folder located.

On android install launcher from here and run it with command-line parameter -game <modfolder>

For mappacks - place *.bsp files to gearbox/maps folder, *.wad files to gearbox and type map <mapname> cmd.

The big singleplayer mods or mappacks

Aron
A Soldiers Tale
Black Bag Operations
Bootleg Squadrog (there is an inner bug - don't save/load your game at the second map of the mod, otherwise a script that giving you weapons in the armory will not work)
Camp Aign
Campaign: Part 1
Double Helix
Fallback, Fire, and Ice, plus simply Fallback (initial version of the mod with 5 maps)
Fallen Chopper
Focalpoint
Foothold
Ground Zero by Necromancer
Ground Zero 2: Fallout by Derek 'Hellfire' McBurney (there is a potential inner bug with unmovable barrel at the second map; you can break that barrel, but it very durable and has 9000 health points)
Intolerable Threat
Little Skyscraper of Horrors
Mechanized Death: An Army of None
Nuclear Winter
Opposing Force Aliens Addon
Opposing Life2Life (link dead!)
Realms
Shepard's Adventures
Snowy Rock
Space Disaster
The Alpha Unit
The Evasion
The Tower
The Xen Campaigns
Ultimate Attack
Under the Blackmoon
Warzone

Unfinished mods

Black Op Mission
Mission Impossible (the mod is not fully finished and changelevel to the last map doesn't work)
Poisonheadcrab Nightmare Mappack Demo + Update (there are some bugs, but they are inner bugs of the mod)
Return to Black Mesa (link dead!)
The Bounty Hunter
Xen Assault (there are inner bugs, which interfere with level change in introductury maps p1vs1 and xenmp; you can just skip them and begin to play directly from the map p1v1)