- XolovA - original creator
- Tslat (Scimiguy) - coding assistant
- Locomen_ - Developer
- NicosaurusRex99 - Developer
- Velocityraptor - Developer
- Lemon_Juice - Developer
- PegasDoggeAM - Developer
- Aginsun
- AstralScourge - Developer
- Blued00r
- Dash - Developer
- Eternaldoom
- Hologuardian
- krwminer - Lead Developer
- Mazetar
- RadioactiveStud
- Sheenrox82
- TLHPoE
- The_SlayerMC
- Vazkii
- Wufflez (LiteWolf101) - Developer
- Zachtoplasm - Texture artist
- Adaptivity - Russian translations
- AlaanRS - Spanish translations
- Dash - Russian translations
- Davoleo - Italian translations
- Fewizz - Russian translations
- FrozenYT - Russian translations
- Imbarainbow - Simplified Chinese translations
- Kellixon - Russian translations
- Locomen - Russian translations
- MCUmbrella - Simplified Chinese translations
- ShadowOfStrelok - Russian translations
- THEVOLCO - German translations
- TikenTVC - Portuguese translations
- Zeedif - Spanish translations
- "Snowflakes after Blizzard" - Velocityraptor
- "Iceika Music" - Wufflez
- BlueEyes9 - A few models/textures
- BossLetsPlays - Sound artist, maintenance developer, and former server owner
- Declan (UKDeccy) - A few models/textures
- Dizzlepop12 - A few models/textures
- Insanity414all - Former wiki admin
- Laorwick - Some recipes
- Sactage - Former server owner and maintainer
- Majorsir - for the name of the mod.
- Reika - for ore textures.
- Terraria - for some resources. (removed in 1.12.2)
- Vattic - for some block textures, featured in a version of the faithful32 pack (removed in 1.12.2)
- XL biomes - for tree style. (removed in 1.12.2)