| Name | Genre | Estimated Difficulty | Author | Solves |
|---|---|---|---|---|
| rsa | Crypto | easy | theoldmoon0602 | 25 |
| QR | Crypto | easy | theoldmoon0602 | 22 |
| Curving Torpedo | Crypto | medium-hard | theoldmoon0602 | 8 |
| Wilhelmina says | Crypto | hard | theoldmoon0602 | 7 |
| Welcome | Misc | warmup | Harekaze | 125 |
| NM Game | Misc | medium | h_noson | 27 |
| Proxy Sandbox | Misc | medium-hard | st98 | 7 |
| Shellcode | Pwn | warmup | h_noson | 38 |
| NM Game Extreme | Pwn | easy | h_noson | 22 |
| Kodama | Pwn | medium | h_noson | 16 |
| Safe Note | Pwn | medium-hard | h_noson | 13 |
| Easy Flag Checker | Reversing | warmup | st98 | 55 |
| Wait | Reversing | easy | nkhrlab | 36 |
| Tiny Flag Checker | Reversing | medium | st98 | 23 |
| What time is it now? | Web | warmup | st98 | 63 |
| JWT is secure | Web | easy | st98 | 19 |
| Avatar Viewer | Web | medium | st98 | 8 |
| WASM BF | Web | medium-hard | st98 | 7 |