| # | Name | Genre | Points | Author | Solves |
|---|---|---|---|---|---|
| 1 | welcome flag | WarmUp | 10 | isoroku | 440 |
| 2 | easy problem | WarmUp | 30 | kimiyuki | 426 |
| 3 | Obfuscated Password Checker | Web | 50 | st98 | 112 |
| 4 | div N | Rev | 100 | kimiyuki | 90 |
| 5 | gacha | Crypto | 100 | kimiyuki | 70 |
| 6 | Lost_data | For + Misc | 100 | hiww | 54 |
| 7 | grom | For + Misc | 100 | yue82 | 6 |
| 8 | Fight | Crypto | 100 | ykm11 | 80 |
| 9 | WE'RE WATCHING YOU! | OSINT + Misc | 100 | ak1t0 | 4 |
| 10 | Harekaze Farm | Pwn | 100 | megumish | 122 |
| 11 | Unnormalized-form Data | Misc | 127 | nkhrlab | 43 |
| 12 | 15 Puzzle | Rev | 200 | st98 | 44 |
| 13 | Logger | Rev + Net | 200 | st98 | 21 |
| 14 | Round and Round | Crypto | 200 | ykm11 | 49 |
| 15 | Flea Attack | Pwn | 200 | megumish | 41 |
| 16 | Sokosoko Secure Uploader | Web | 100 | st98 | 57 |
| 17 | my favorite language | Rev + Misc | 200 | kimiyuki | 9 |
| 18 | alnush | Pwn | 200 | hnoson | 9 |
| 19 | gacha 2 | Crypto | 350 | kimiyuki | 4 |
| 20 | my favorite language 2 | Rev + Misc | 250 | kimiyuki | 1 |
| 21 | recursive zip | WarmUp | 40 | kimiyuki | 209 |
| 22 | A custom CSS for the flag | Web | 250 | KageShiron2 | 18 |