| Date | User | Challenge | Score |
| snowman_am2 | Modular Binomials | 80 | |
| 0xa6k | Modular Arithmetic 2 | 20 | |
| nada_abdelhaq | Encoding Challenge | 40 | |
| exoq | Adrien's Signs | 80 | |
| mypalpal | Nativity | 60 | |
| Neutr0nys | Marin's Secrets | 50 | |
| nada_abdelhaq | Modular Inverting | 25 | |
| nada_abdelhaq | Modular Arithmetic 2 | 20 | |
| flau | Bytes and Big Integers | 10 | |
| jablonskim | Bringing It All Together | 50 | |
| jablonskim | Diffusion through Permutation | 30 | |
| 0xa6k | Modular Arithmetic 1 | 20 | |
| Neutr0nys | Infinite Descent | 50 | |
| flau | Base64 | 10 | |
| AceNk | Structure of AES | 15 | |
| jablonskim | Confusion through Substitution | 25 | |
| flau | Hex | 5 | |
| jablonskim | Round Keys | 20 | |
| AceNk | Resisting Bruteforce | 10 | |
| jablonskim | Structure of AES | 15 | |
| flau | ASCII | 5 | |
| AceNk | Keyed Permutations | 5 | |
| flau | Great Snakes | 3 | |
| flau | Finding Flags | 2 | |
| spyrossm | Modular Arithmetic 2 | 20 | |
| 0xa6k | Extended GCD | 20 | |
| randomusername_0 | Modular Inverting | 25 | |
| randomusername_0 | Modular Arithmetic 2 | 20 | |
| Neutr0nys | Endless Emails | 150 | |
| yemna | ASCII | 5 | |
| randomusername_0 | Modular Arithmetic 1 | 20 | |
| randomusername_0 | Extended GCD | 20 | |
| kirollosR | Triple DES | 60 | |
| AceNk | Modular Binomials | 80 | |
| jomaslife96 | Finding Flags | 2 | |
| yemna | Great Snakes | 3 | |
| pappouzy | Finding Flags | 2 | |
| randomusername_0 | Greatest Common Divisor | 15 | |
| yemna | Finding Flags | 2 | |
| Neutr0nys | Everything is Still Big | 100 | |
| Neutr0nys | Crossed Wires | 100 | |
| Typhanie69 | Finding Flags | 2 | |
| kirollosR | Lazy CBC | 60 | |
| AceNk | Adrien's Signs | 80 | |
| pingpwn | Modular Binomials | 80 | |
| AceNk | ZKP Introduction | 5 | |
| AceNk | Network Attacks | 5 | |
| maskmovdqu | Resisting Bruteforce | 10 | |
| Tdawge | You either know, XOR you don't | 30 | |
| maskmovdqu | Keyed Permutations | 5 |
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