| Date | User | Challenge | Score |
| shokanmorit | Beatboxer | 150 | |
| Isabela | Modular Arithmetic 1 | 20 | |
| zhanglang | Resisting Bruteforce | 10 | |
| MhmdEbead | Bytes and Big Integers | 10 | |
| zhanglang | Keyed Permutations | 5 | |
| zhanglang | You either know, XOR you don't | 30 | |
| flooeg | Flipping Cookie | 60 | |
| khyrr | JWT Secrets | 25 | |
| Aneuraz | Finding Flags | 2 | |
| khyrr | No Way JOSE | 20 | |
| khyrr | JWT Sessions | 10 | |
| jscornelius | The Good, The Pad, The Ugly | 100 | |
| shokanmorit | Forbidden Fruit | 150 | |
| Aloutrance | No Way Back Home | 100 | |
| Arm | Parameter Injection | 60 | |
| mustafasolmaz | Great Snakes | 3 | |
| Blackmagic99887 | Hex | 5 | |
| Blackmagic99887 | ASCII | 5 | |
| shokanmorit | Paper Plane | 120 | |
| Blackmagic99887 | Great Snakes | 3 | |
| Anass67 | ECB Oracle | 60 | |
| Blackmagic99887 | Finding Flags | 2 | |
| MhmdEbead | Base64 | 10 | |
| khyrr | Generators of Groups | 20 | |
| maritime4824 | Chinese Remainder Theorem | 40 | |
| shokanmorit | The Good, The Pad, The Ugly | 100 | |
| shokanmorit | Oh SNAP | 120 | |
| crypto_07 | Confusion through Substitution | 25 | |
| Blackmagic99887 | JWT Sessions | 10 | |
| Blackmagic99887 | Token Appreciation | 5 | |
| cyk0sure | CTRIME | 70 | |
| AZZ912 | Favourite byte | 20 | |
| HarryT1211 | Quadratic Residues | 25 | |
| cyk0sure | Pad Thai | 80 | |
| ProxyPanda | ECB Oracle | 60 | |
| Pinotage | Bringing It All Together | 50 | |
| lapa | Smooth Criminal | 60 | |
| erengokirmak | Confusion through Substitution | 25 | |
| shokanmorit | Stream of Consciousness | 80 | |
| shokanmorit | ECB Oracle | 60 | |
| HarryT1211 | Modular Inverting | 25 | |
| shokanmorit | Dancing Queen | 120 | |
| AZZ912 | XOR Properties | 15 | |
| HarryT1211 | Modular Arithmetic 2 | 20 | |
| MhmdEbead | Hex | 5 | |
| YooAlixa | You either know, XOR you don't | 30 | |
| shokanmorit | Logon Zero | 80 | |
| shokanmorit | CTRIME | 70 | |
| monk000 | Extended GCD | 20 | |
| Isabela | Extended GCD | 20 |
You are now level Current level