| Date | User | Challenge | Score |
| Vicusol | ASCII | 5 | |
| Superior | Sus (ImaginaryCTF) | 0 | |
| ds0xxd3r | Diffusion through Permutation | 30 | |
| Vicusol | Great Snakes | 3 | |
| Vicusol | Finding Flags | 2 | |
| alfattd | Bytes and Big Integers | 10 | |
| syeyoung | Background Reading | 5 | |
| gittyasois | Manyprime | 40 | |
| bluediamonds | Encoding Challenge | 40 | |
| jaiveersingh | Round Keys | 20 | |
| aztec_kke | Bytes and Big Integers | 10 | |
| Brad3017 | Parameter Injection | 60 | |
| alfattd | Base64 | 10 | |
| Devia | XOR Starter | 10 | |
| Codru | No Way Back Home | 100 | |
| alfattd | Hex | 5 | |
| Rafon_Az | No Difference | 175 | |
| steeeve | Modes of Operation Starter | 15 | |
| Devia | Bytes and Big Integers | 10 | |
| Danonek | Bytes and Big Integers | 10 | |
| ForJ | Beatboxer | 150 | |
| jgi | Favourite byte | 20 | |
| khxjn | Point Addition | 30 | |
| ShivamJangra | You either know, XOR you don't | 30 | |
| veritas373 | Bringing It All Together | 50 | |
| alfattd | ASCII | 5 | |
| bandit109 | You either know, XOR you don't | 30 | |
| Danonek | Base64 | 10 | |
| jaiveersingh | Structure of AES | 15 | |
| siriusraven | Keyed Permutations | 5 | |
| Blue_ | Mister Saplins The Prover | 125 | |
| alfattd | Great Snakes | 3 | |
| huitrebleu | Modular Inverting | 25 | |
| alfattd | Finding Flags | 2 | |
| huitrebleu | Modular Arithmetic 2 | 20 | |
| huitrebleu | Modular Arithmetic 1 | 20 | |
| Brad3017 | Modular Binomials | 80 | |
| Devia | Base64 | 10 | |
| kayal | Greatest Common Divisor | 15 | |
| huitrebleu | Extended GCD | 20 | |
| Blue_ | Let's Prove It | 120 | |
| kameshk | Hex | 5 | |
| kayal | You either know, XOR you don't | 30 | |
| siriusraven | Modular Binomials | 80 | |
| kayal | Favourite byte | 20 | |
| radare | 1n_jection (Zh3r0 CTF V2) | 0 | |
| kayal | XOR Properties | 15 | |
| kayal | XOR Starter | 10 | |
| rakib314167 | Quadratic Residues | 25 | |
| kayal | Bytes and Big Integers | 10 |
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