| Date | User | Challenge | Score |
| wool1903 | XOR Properties | 15 | |
| milan_panic | Finding Flags | 2 | |
| Dandani3awtani | Greatest Common Divisor | 15 | |
| yasharri | Hex | 5 | |
| Geetanshu | Hex | 5 | |
| Zeyshi | Finding Flags | 2 | |
| saiencie | Finding Flags | 2 | |
| NOWAY | ASCII | 5 | |
| wool1903 | XOR Starter | 10 | |
| nettsend | Greatest Common Divisor | 15 | |
| Mohammedosam | The Matrix Revolutions | 125 | |
| Geetanshu | ASCII | 5 | |
| H4ck3rBl4ck | Extended GCD | 20 | |
| Nyla | Modular Binomials | 80 | |
| Geetanshu | Great Snakes | 3 | |
| idunnowhattoname | Greatest Common Divisor | 15 | |
| Geetanshu | Finding Flags | 2 | |
| Nyla | Adrien's Signs | 80 | |
| Anivia_Jeremia | Extended GCD | 20 | |
| Bennyy | Keyed Permutations | 5 | |
| Nyla | Chinese Remainder Theorem | 40 | |
| H4ck3rBl4ck | Greatest Common Divisor | 15 | |
| Nyla | Modular Square Root | 35 | |
| Fikwri | Great Snakes | 3 | |
| wool1903 | Bytes and Big Integers | 10 | |
| Fikwri | Finding Flags | 2 | |
| 3R3B05 | XOR Properties | 15 | |
| idunnowhattoname | ASCII | 5 | |
| HaxL0p4 | Deriving Symmetric Keys | 40 | |
| idunnowhattoname | Great Snakes | 3 | |
| atun | ASCII | 5 | |
| idunnowhattoname | Finding Flags | 2 | |
| NOWAY | Great Snakes | 3 | |
| wool1903 | Base64 | 10 | |
| PoPkoren | XOR Starter | 10 | |
| Tfok62 | Favourite byte | 20 | |
| NOWAY | Finding Flags | 2 | |
| Nom06 | Base64 | 10 | |
| PoPkoren | Bytes and Big Integers | 10 | |
| PoPkoren | Base64 | 10 | |
| boredom | Base64 | 10 | |
| PoPkoren | Hex | 5 | |
| feniz | Bytes and Big Integers | 10 | |
| Anivia_Jeremia | Greatest Common Divisor | 15 | |
| PoPkoren | ASCII | 5 | |
| Nyla | Legendre Symbol | 35 | |
| PoPkoren | Great Snakes | 3 | |
| Aaditya_19 | Great Snakes | 3 | |
| PoPkoren | Finding Flags | 2 | |
| pengu | Bytes and Big Integers | 10 |
You are now level Current level