| Date | User | Challenge | Score |
| Novy | Salty | 20 | |
| malhackerrr | Favourite byte | 20 | |
| Novy | Manyprime | 40 | |
| Novy | Monoprime | 30 | |
| caligo | Resisting Bruteforce | 10 | |
| Novy | Factoring | 15 | |
| agentmon | RRSSAA (ECSC 2023 (Norway)) | 0 | |
| agentmon | Ticket Maestro (CryptoHack) | 0 | |
| agentmon | d-phi-enc (HackTM CTF) | 0 | |
| fabs2 | You either know, XOR you don't | 30 | |
| agentmon | Hamiltonicity 2 (CryptoHack) | 0 | |
| caligo | Keyed Permutations | 5 | |
| ereiselt | You either know, XOR you don't | 30 | |
| fabs2 | Favourite byte | 20 | |
| Snacky | Modulus Inutilis | 50 | |
| caligo | Quadratic Residues | 25 | |
| malhackerrr | XOR Properties | 15 | |
| fabs2 | XOR Properties | 15 | |
| fabs2 | XOR Starter | 10 | |
| caligo | Modular Inverting | 25 | |
| daembt | ASCII | 5 | |
| caligo | Modular Arithmetic 2 | 20 | |
| m4sc4r4 | Great Snakes | 3 | |
| agentmon | Bruce Schneier's Password: Part 2 | 250 | |
| daembt | Great Snakes | 3 | |
| daembt | Finding Flags | 2 | |
| m4sc4r4 | Finding Flags | 2 | |
| waspio | ASCII | 5 | |
| waspio | Great Snakes | 3 | |
| AnonSus | Extended GCD | 20 | |
| waspio | Finding Flags | 2 | |
| AnonSus | Modular Arithmetic 1 | 20 | |
| dalanpa87 | Base64 | 10 | |
| agentmon | Invariant | 250 | |
| Mstrxna | Saying Hello | 20 | |
| Mstrxna | Sharks on the Wire | 10 | |
| Mstrxna | Secure Protocols | 5 | |
| dalanpa87 | Hex | 5 | |
| Mstrxna | RSA or HMAC? Part 2 | 100 | |
| Mstrxna | JSON in JSON | 40 | |
| Mstrxna | RSA or HMAC? | 35 | |
| Mstrxna | JWT Secrets | 25 | |
| Mstrxna | No Way JOSE | 20 | |
| Mstrxna | JWT Sessions | 10 | |
| Mstrxna | Token Appreciation | 5 | |
| Mstrxna | Let's Decrypt Again | 175 | |
| Mstrxna | Vote for Pedro | 150 | |
| Mstrxna | Blinding Light | 120 | |
| Mstrxna | Let's Decrypt | 80 | |
| Mstrxna | Signing Server | 60 |
You are now level Current level