| Date | User | Challenge | Score |
| mike1567 | Hex | 5 | |
| Mat_ | Network Attacks | 5 | |
| fr_osted | Diffusion through Permutation | 30 | |
| Mat_ | Great Snakes | 3 | |
| shaked_srabstein | No Way JOSE | 20 | |
| Mat_ | Finding Flags | 2 | |
| zzae | Keyed Permutations | 5 | |
| yavuzagca | Quadratic Residues | 25 | |
| Maahes | Great Snakes | 3 | |
| emadig4 | Monoprime | 30 | |
| makal1ster | Adrien's Signs | 80 | |
| kugel | ECB Oracle | 60 | |
| makal1ster | Chinese Remainder Theorem | 40 | |
| makal1ster | Modular Square Root | 35 | |
| scubanac | XOR Starter | 10 | |
| fr_osted | Confusion through Substitution | 25 | |
| makal1ster | Legendre Symbol | 35 | |
| jana233 | Hex | 5 | |
| luchy | Modular Binomials | 80 | |
| MikiJervis | Triple DES | 60 | |
| makal1ster | Quadratic Residues | 25 | |
| makal1ster | Modular Inverting | 25 | |
| makal1ster | Modular Arithmetic 2 | 20 | |
| yavuzagca | Modular Inverting | 25 | |
| makal1ster | Modular Arithmetic 1 | 20 | |
| makal1ster | Extended GCD | 20 | |
| fr_osted | Round Keys | 20 | |
| flapjack990 | Lemur XOR | 40 | |
| makal1ster | Greatest Common Divisor | 15 | |
| tarakanus10k | Curves and Logs | 40 | |
| camo132108 | Lazy CBC | 60 | |
| luchy | Adrien's Signs | 80 | |
| HL4M | Great Snakes | 3 | |
| jana233 | ASCII | 5 | |
| luchy | Chinese Remainder Theorem | 40 | |
| luchy | Modular Square Root | 35 | |
| camo132108 | Flipping Cookie | 60 | |
| emadig4 | Factoring | 15 | |
| piby | Finding Flags | 2 | |
| luchy | Legendre Symbol | 35 | |
| chk | Stream of Consciousness | 80 | |
| luchy | Quadratic Residues | 25 | |
| luchy | Modular Inverting | 25 | |
| jana233 | Great Snakes | 3 | |
| muratch | Modular Binomials | 80 | |
| tarakanus10k | Scalar Multiplication | 35 | |
| jana233 | Finding Flags | 2 | |
| luchy | Modular Arithmetic 2 | 20 | |
| luchy | Modular Arithmetic 1 | 20 | |
| camo132108 | ECB Oracle | 60 |
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