| Date | User | Challenge | Score |
| aljary | The Matrix Revolutions | 125 | |
| aljary | The Matrix Reloaded | 100 | |
| aljary | The Matrix | 75 | |
| bobiealice | Too Many Errors | 100 | |
| aljary | Script Kiddie | 70 | |
| SigmaMonster | RSA Signatures | 25 | |
| KuyangKutai | Greatest Common Divisor | 15 | |
| aljary | Static Client 2 | 120 | |
| aljary | Additive | 70 | |
| aljary | Static Client | 100 | |
| CM_Vijay | Hex | 5 | |
| Alex_Willams_12 | Finding Flags | 2 | |
| koskous77 | Round Keys | 20 | |
| aljary | Export-grade | 100 | |
| koskous77 | Structure of AES | 15 | |
| koskous77 | Resisting Bruteforce | 10 | |
| la_vltk | Chinese Remainder Theorem | 40 | |
| aljary | Parameter Injection | 60 | |
| sw33t_r00t | XOR Starter | 10 | |
| aljary | Deriving Symmetric Keys | 40 | |
| aljary | Computing Shared Secrets | 30 | |
| aljary | Computing Public Values | 25 | |
| SigmaMonster | RSA Decryption | 20 | |
| aljary | Generators of Groups | 20 | |
| koskous77 | Keyed Permutations | 5 | |
| SigmaMonster | Private Keys | 20 | |
| aljary | Working with Fields | 10 | |
| rev_cryp | Bean Counter | 60 | |
| la_vltk | Modular Square Root | 35 | |
| SigmaMonster | Euler's Totient | 20 | |
| Charlie_Rae | Finding Flags | 2 | |
| SigmaMonster | Public Keys | 15 | |
| Shadow0013 | Great Snakes | 3 | |
| SigmaMonster | Modular Exponentiation | 10 | |
| aljary | Square Eyes | 35 | |
| rev_cryp | Symmetry | 50 | |
| yura203 | XOR Starter | 10 | |
| aljary | Monoprime | 30 | |
| GuplerSaxanoid | XOR Properties | 15 | |
| de4dhorse | XOR Properties | 15 | |
| rev_cryp | Flipping Cookie | 60 | |
| lightjyagabin2k8 | Greatest Common Divisor | 15 | |
| Shadow0013 | Finding Flags | 2 | |
| toomuchcoffee | Diffusion through Permutation | 30 | |
| aljary | RSA Backdoor Viability | 175 | |
| rev_cryp | ECB CBC WTF | 55 | |
| aljary | Bespoke Padding | 100 | |
| 0xB4DFL4G | Favourite byte | 20 | |
| rev_cryp | ECB Oracle | 60 | |
| aljary | Null or Never | 100 |
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