| Date | User | Challenge | Score |
| liyi | Modular Inverting | 25 | |
| liyi | Modular Arithmetic 2 | 20 | |
| liyi | Modular Arithmetic 1 | 20 | |
| maousi | Modulus Inutilis | 50 | |
| ggerod | RSA Decryption | 20 | |
| pepsi_cola11111 | Finding Flags | 2 | |
| maousi | Salty | 20 | |
| ggerod | Bean Counter | 60 | |
| remix888 | Base64 | 10 | |
| remix888 | Hex | 5 | |
| maousi | Monoprime | 30 | |
| ZekkelAR | Great Snakes | 3 | |
| ZekkelAR | Finding Flags | 2 | |
| maousi | Factoring | 15 | |
| Dan1e1B | RSA Signatures | 25 | |
| Dan1e1B | RSA Decryption | 20 | |
| benjamin88 | Finding Flags | 2 | |
| Dan1e1B | Private Keys | 20 | |
| micho | ASCII | 5 | |
| Dan1e1B | Euler's Totient | 20 | |
| pcspcs | Everything is Big | 70 | |
| maousi | RSA Signatures | 25 | |
| mok3 | Base64 | 10 | |
| nohh022 | XOR Starter | 10 | |
| Dan1e1B | Public Keys | 15 | |
| mok3 | Hex | 5 | |
| Dan1e1B | Modular Exponentiation | 10 | |
| nohh022 | Bytes and Big Integers | 10 | |
| maousi | RSA Decryption | 20 | |
| mok3 | ASCII | 5 | |
| nohh022 | Base64 | 10 | |
| micho | Great Snakes | 3 | |
| nohh022 | Hex | 5 | |
| micho | Finding Flags | 2 | |
| nohh022 | ASCII | 5 | |
| Gushi | ASCII | 5 | |
| ofdeat | Resisting Bruteforce | 10 | |
| Gushi | Great Snakes | 3 | |
| ofdeat | Keyed Permutations | 5 | |
| nohh022 | Great Snakes | 3 | |
| Gushi | Finding Flags | 2 | |
| maousi | Private Keys | 20 | |
| nohh022 | Finding Flags | 2 | |
| ofdeat | Modular Binomials | 80 | |
| ofdeat | Adrien's Signs | 80 | |
| ijustgothere | You either know, XOR you don't | 30 | |
| ofdeat | Chinese Remainder Theorem | 40 | |
| murka_a | Great Snakes | 3 | |
| ofdeat | Modular Square Root | 35 | |
| benito255 | The Matrix Revolutions | 125 |
You are now level Current level