| Date | User | Challenge | Score |
| Sellu | Hex | 5 | |
| YGUY | Computing Public Values | 25 | |
| minnnjuuu | Modes of Operation Starter | 15 | |
| YEQX67 | Token Appreciation | 5 | |
| Sellu | ASCII | 5 | |
| Sellu | Great Snakes | 3 | |
| Sellu | Finding Flags | 2 | |
| VISAS_STARFROST | ECB CBC WTF | 55 | |
| aldiad | Bringing It All Together | 50 | |
| aldiad | Diffusion through Permutation | 30 | |
| aldiad | Successive Powers | 60 | |
| aldiad | Lemur XOR | 40 | |
| hayzer | Export-grade | 100 | |
| veggietales | Base64 | 10 | |
| meganeale | You either know, XOR you don't | 30 | |
| veggietales | Hex | 5 | |
| veggietales | ASCII | 5 | |
| veggietales | Great Snakes | 3 | |
| veggietales | Finding Flags | 2 | |
| Unknown127648 | You either know, XOR you don't | 30 | |
| hayzer | Parameter Injection | 60 | |
| Unknown127648 | Favourite byte | 20 | |
| Unknown127648 | XOR Properties | 15 | |
| Mohamed_Hamza | Bringing It All Together | 50 | |
| davifelix | Flipping Cookie | 60 | |
| Mohamed_Hamza | Diffusion through Permutation | 30 | |
| Unknown127648 | XOR Starter | 10 | |
| Mohamed_Hamza | Confusion through Substitution | 25 | |
| RHack | Finding Flags | 2 | |
| Mohamed_Hamza | Round Keys | 20 | |
| Unknown127648 | Bytes and Big Integers | 10 | |
| Mohamed_Hamza | Structure of AES | 15 | |
| meganeale | Favourite byte | 20 | |
| blackade | Euler's Totient | 20 | |
| bodymo20000 | Manyprime | 40 | |
| Mohamed_Hamza | Resisting Bruteforce | 10 | |
| aldiad | Modular Binomials | 80 | |
| Alpes | Base64 | 10 | |
| Mohamed_Hamza | Keyed Permutations | 5 | |
| Unknown127648 | Base64 | 10 | |
| JJ671475 | Great Snakes | 3 | |
| DonAsako | Broken RSA | 100 | |
| JJ671475 | Finding Flags | 2 | |
| Unknown127648 | Hex | 5 | |
| Alpes | Hex | 5 | |
| Alpes | ASCII | 5 | |
| meganeale | XOR Properties | 15 | |
| Unknown127648 | ASCII | 5 | |
| Unknown127648 | Great Snakes | 3 | |
| Unknown127648 | Finding Flags | 2 |
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