| Date | User | Challenge | Score |
| sp1n0z4 | Resisting Bruteforce | 10 | |
| usrname2008 | Passwords as Keys | 50 | |
| sozureke | Finding Flags | 2 | |
| Riapaglu | XOR Starter | 10 | |
| emilyPractice | XOR Properties | 15 | |
| Horus666 | XOR Properties | 15 | |
| pet220279 | Bringing It All Together | 50 | |
| neowo | Bytes and Big Integers | 10 | |
| Horus666 | XOR Starter | 10 | |
| ocelot | You either know, XOR you don't | 30 | |
| Sparrow09 | Point Addition | 30 | |
| Gauliom | Base64 | 10 | |
| Onirix | XOR Properties | 15 | |
| Horus666 | Bytes and Big Integers | 10 | |
| Gauliom | Hex | 5 | |
| Horus666 | Base64 | 10 | |
| Gauliom | ASCII | 5 | |
| alchemist7 | Modular Arithmetic 2 | 20 | |
| hamman | You either know, XOR you don't | 30 | |
| Gauliom | Great Snakes | 3 | |
| Sagnik | Hex | 5 | |
| ocelot | Favourite byte | 20 | |
| Bonolori404 | Deriving Symmetric Keys | 40 | |
| Gauliom | Finding Flags | 2 | |
| ocelot | XOR Properties | 15 | |
| tagekl | Modular Square Root | 35 | |
| hamman | Favourite byte | 20 | |
| alchemist7 | Modular Arithmetic 1 | 20 | |
| lcalvie | RSA Backdoor Viability | 175 | |
| whoami4 | Public Keys | 15 | |
| whoami4 | Modular Exponentiation | 10 | |
| Horus666 | Hex | 5 | |
| AstroHammy | Modular Exponentiation | 10 | |
| Horus666 | ASCII | 5 | |
| tagekl | Legendre Symbol | 35 | |
| Horus666 | Great Snakes | 3 | |
| Bonolori404 | Computing Shared Secrets | 30 | |
| galaxy11 | Finding Flags | 2 | |
| hamman | XOR Properties | 15 | |
| Horus666 | Finding Flags | 2 | |
| sp1n0z4 | Keyed Permutations | 5 | |
| Nirmala_Shidenur | Modular Binomials | 80 | |
| ocelot | XOR Starter | 10 | |
| Bonolori404 | Computing Public Values | 25 | |
| Brik_12 | Base64 | 10 | |
| afmoroz | Special Soundness | 25 | |
| GameCity | Marin's Secrets | 50 | |
| GameCity | Infinite Descent | 50 | |
| dkoazwlearning | PriMeD5 | 100 | |
| sheerwood | Euler's Totient | 20 |
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