| Date | User | Challenge | Score |
| Zira | Encoding Challenge | 40 | |
| turing_yedali | Network Attacks | 5 | |
| madnox | Bytes and Big Integers | 10 | |
| Zira | Bytes and Big Integers | 10 | |
| turing_yedali | Modular Inverting | 25 | |
| turing_yedali | Modular Arithmetic 2 | 20 | |
| turing_yedali | Modular Arithmetic 1 | 20 | |
| TheFrizzler | Chinese Remainder Theorem | 40 | |
| WarSpore | Forbidden Fruit | 150 | |
| TheFrizzler | Modular Square Root | 35 | |
| paulihno15 | Modular Arithmetic 1 | 20 | |
| TheFrizzler | Legendre Symbol | 35 | |
| its_mananar | Finding Flags | 2 | |
| TheFrizzler | Quadratic Residues | 25 | |
| Alvaro_Mo | Finding Flags | 2 | |
| r1diq | XOR Starter | 10 | |
| yairko | Real Curve Crypto | 200 | |
| 0xCypher | Bytes and Big Integers | 10 | |
| TheFrizzler | Modular Inverting | 25 | |
| bunnadao | ASCII | 5 | |
| TheFrizzler | Modular Arithmetic 2 | 20 | |
| bunnadao | Great Snakes | 3 | |
| bunnadao | Finding Flags | 2 | |
| TheFrizzler | Modular Arithmetic 1 | 20 | |
| 0xCypher | Base64 | 10 | |
| 0xCypher | Hex | 5 | |
| r1diq | Bytes and Big Integers | 10 | |
| sawol | Extended GCD | 20 | |
| 0xCypher | ASCII | 5 | |
| origabai | ProSign 3 | 100 | |
| 4R60 | Favourite byte | 20 | |
| 0xCypher | Great Snakes | 3 | |
| 0xCypher | Finding Flags | 2 | |
| mboh2 | Confusion through Substitution | 25 | |
| 4R60 | XOR Properties | 15 | |
| Amro_Hussein | Lemur XOR | 40 | |
| origabai | Curveball | 100 | |
| zeed17 | Modular Arithmetic 1 | 20 | |
| origabai | Montgomery's Ladder | 40 | |
| TheFrizzler | Extended GCD | 20 | |
| MrStupid | You either know, XOR you don't | 30 | |
| rjakeeer | Greatest Common Divisor | 15 | |
| MrStupid | Favourite byte | 20 | |
| MrStupid | XOR Properties | 15 | |
| MrStupid | XOR Starter | 10 | |
| TheFrizzler | Greatest Common Divisor | 15 | |
| Houndbuster239 | ASCII | 5 | |
| 4R60 | XOR Starter | 10 | |
| Houndbuster239 | Great Snakes | 3 | |
| SuPeRPi9 | ECB CBC WTF | 55 |
You are now level Current level