| ID | Title | Author | Categories | Stars | Points | Solves | Secondary | Tertiary or higher |
|---|---|---|---|---|---|---|---|---|
| 1 | 旗幟遊戲 / The Flag Game | Mystiz | reverse | ★★☆☆☆ | 200 | 45 | Y | Y |
| 3 | 形單隻影 / Solitude, Solitude, Solitude | Mystiz | crypto | ★☆☆☆☆ | 150 | 32 | Y | Y |
| 4 | 可能未知的標記語言 / ProbablyUnknown's Markup Language | ozetta | web | ★★★☆☆ | 350 | 11 | N | Y |
| 5 | 人工智能通靈師 / Psychic AI | ozetta | misc | ★★☆☆☆ | 200 | 256 | Y | Y |
| 6 | 區塊鏈拍賣會 (R) / Auction with Blockchain (R) | ozetta | misc | ★★☆☆☆ | 200 | 2 | N | Y |
| 7 | 秘密筆記本 / Secret Notebook | viky | web | ★★★☆☆ | 350 | 30 | Y | Y |
| 8 | RSA 三人組 / RSA Triooo | Mystiz | crypto | ★★★★★ | 500 | 3 | N | Y |
| 9 | 求旗簽名 (II) / Sign me a Flag (II) | Mystiz | crypto | ★★☆☆☆ | 250 | 11 | Y | Y |
| 10 | 通靈字盤四 / Tuning Keyboard 4 | ozetta | misc | ★★★☆☆ | 369 | 20 | Y | Y |
| 11 | ST碼 (I) / ST Code (I) | ozetta | misc | step by step! | 50 | 290 | Y | Y |
| 12 | ST碼 (II) / ST Code (II) | ozetta | misc | ★★★☆☆ | 350 | 42 | Y | Y |
| 13 | ST碼 (III) / ST Code (III) | ozetta | web | ★★★☆☆ | 300 | 4 | N | Y |
| 14 | 又有嬰兒 XSS / Infant XSS again | ozetta | web | ★☆☆☆☆ | 150 | 28 | Y | N |
| 15 | 願望清單 / Wishlist | ozetta | web | ★★★★☆ | 450 | 5 | N | Y |
| 16 | 52 赫茲 / 52 Hz | GonJK | forensics | ★★☆☆☆ | 250 | 16 | Y | Y |
| 17 | 只要你不尷尬 / The Art of Embarrassment | Mystiz | crypto | ★☆☆☆☆ | 150 | 0 | Y | N |
| 18 | 搞不懂 / Get me | viky | reverse | ★★☆☆☆ | 200 | 0 | Y | N |
| 19 | 我們的故事未完…待續 / screen-capture | GonJK | forensics | ★★★☆☆ | 350 | 3 | Y | N |
| 20 | json2csv / json2csv | ozetta | pwn | ★★★☆☆ | 350 | 8 | N | Y |
| 21 | 橋橋 / Cipher Bridging Service | Mystiz | crypto | ★★★★☆ | 450 | 18 | Y | Y |
| 22 | 王123 / Wang123 | ozetta | reverse | ★★★☆☆ | 300 | 45 | Y | Y |
| 23 | 收到收到 / Yes, I Know I Know | Viky | forensics | step by step! | 200 | 106 | Y | Y |
| 24 | 韻 / Rhyme | ozetta | misc | ★☆☆☆☆ | 100 | 5 | Y | N |
| 25 | 獄門疆 / MongoJail | ozetta | pwn | step by step! | 250 | 42 | Y | Y |
| 26 | PHP.net 後門 (I) / PHP.net Backdoor (I) | ozetta | web | ★★☆☆☆ | 250 | 7 | N | Y |
| 27 | PHP.net 後門 (II) / PHP.net Backdoor (II) | ozetta | web | ★★★★★ | 500 | 6 | N | Y |
| 28 | 搵日啦 / Maybe Someday | Mystiz | crypto | ★★★☆☆ | 350 | 9 | N | Y |
| 29 | 求旗簽名 (I) / Sign me a Flag (I) | Mystiz | crypto | step by step! | 150 | 112 | Y | Y |
| 31 | 下手ですね / baDES | Mystiz | crypto | step by step! | 200 | 60 | Y | Y |
| 32 | 又有寶貝 XSS / Baby XSS again | ozetta | web | step by step! | 100 | 189 | Y | Y |
| 33 | 又有胎兒 XSS / Fetus XSS again | ozetta | web | ★★☆☆☆ | 250 | 6 | Y | N |
| 34 | Hackforces / Hackforces | Mystiz | misc | ★★★☆☆ | 300 | 27 | Y | Y |
| 35 | 轉蛋模擬器 / Gacha Simulator | ozetta | reverse | step by step! | 250 | 117 | Y | Y |
| 36 | 大電視 / Big Television | ozetta | misc | ★★☆☆☆ | 200 | 3 | Y | N |
| 37 | 虛假/地面報價 / Fake/Ground Offer | ozetta | web | ★★☆☆☆ | 250 | 86 | Y | Y |
| 38 | 我的網誌 / Myblog | ozetta | web | ★☆☆☆☆ | 150 | 8 | Y | N |
| 40 | 從零開始的新世界 / Re:Zero | GonJK | web | step by step! | 150 | 298 | Y | Y |
| 41 | 攢盒 / Sweet Container | viky | misc | ★★★☆☆ | 350 | 0 | Y | N |
| 42 | ISA: 更簡單的PWN / ISA Baby Pwn | cire_meat_pop | pwn | ★☆☆☆☆ | 150 | 8 | Y | N |
| 43 | ISA: 簡單的PWN / ISA Easy Pwn | cire_meat_pop | pwn | ★★☆☆☆ | 220 | 3 | Y | N |
| 44 | ISA: 始料未及 / ISA Jump Scare | Mystiz | pwn | step by step! | 200 | 77 | Y | Y |
| 45 | 密室逃脫 / Secure Python 2 | cire_meat_pop | pwn | ★★★★☆ | 420 | 12 | Y | Y |
| 46 | 不敗神話 / Absolute Winner | cire_meat_pop | pwn | ★★★☆☆ | 300 | 7 | N | Y |
| 51 | mips rop / mips rop | ken | pwn | ★★★☆☆ | 300 | 13 | Y | Y |
| 52 | 盲婚啞嫁 / ROP Revenge | cire_meat_pop | pwn | ★★★☆☆ | 300 | 13 | N | Y |
| 53 | 炎熱大地帶 / Troll Pico | ozetta | crypto | ★★☆☆☆ | 250 | 12 | Y | Y |
| 54 | 逆競賽: 十二變 / Decompetiton: easy.pyc | harrier | reverse | ★☆☆☆☆ | 150 | 7 | N | Y |
| 55 | 逆競賽: Py both / Decompetiton: hard.pyc | harrier | reverse | ★★★☆☆ | 300 | 9 | Y | N |
| 56 | 逆競賽: 詩 / Decompetition: Vitamin C-- | harrier | reverse | ★★☆☆☆ | 200 | 11 | Y | Y |
| 57 | 逆競賽: 詩竊竊 / Decompetition: Vitamin C++ | harrier | reverse | ★★★★☆ | 400 | 5 | N | Y |
| 58 | ISA: 世界與我有關？ / ISA Intrusion | harrier | reverse | step by step! | 200 | 115 | Y | Y |
| 59 | ISA: 簡單事情複雜化 / ISA Atom | harrier | reverse | ★★★★☆ | 400 | 33 | N | Y |
| 61 | 奪寶奇兵 / Loot and Scoot | Mystiz | reverse | ★★★★★ | 500 | 6 | Y | Y |
| 62 | 火星上的自動櫃員機 / MarsATM | apple | misc | ★☆☆☆☆ | 100 | 3 | Y | N |
| 63 | 在迷宮裡迷途的 Scratch 喵 / Scratch cat lost in the MAZE | apple | misc | ★★☆☆☆ | 200 | 39 | Y | Y |
| 64 | 回到富康街寵物公園 / Return of babyUXSS return | ken | pwn | ★★★★★ | 500 | 2 | N | Y |
| 65 | ISA: 漫步 / ISA Jogger | Mystiz | pwn | ★★☆☆☆ | 200 | 60 | Y | Y |
| 98 | Sanity check / Sanity check | Black Bauhinia | misc | ★☆☆☆☆ | 10 | 387 | Y | Y |
| 99 | Feedback / Feedback | Black Bauhinia | misc | ★☆☆☆☆ | 10 | 249 | Y | Y |
Thank you to HKCERT and all authors for publicizing challenges in this repository!
And most importantly, a big thank you to all the participants!
