| Date | User | Challenge | Score |
| aboj0 | XOR Properties | 15 | |
| sedami | Extended GCD | 20 | |
| alquozhenry | Hex | 5 | |
| Luminousvelocity | Extended GCD | 20 | |
| augustourqui | XOR Starter | 10 | |
| alquozhenry | ASCII | 5 | |
| rabb1t | Modular Binomials | 80 | |
| alquozhenry | Great Snakes | 3 | |
| w9line | Greatest Common Divisor | 15 | |
| aboj0 | XOR Starter | 10 | |
| alquozhenry | Finding Flags | 2 | |
| sedami | Greatest Common Divisor | 15 | |
| xime | Finding Flags | 2 | |
| Oliveee | Hex | 5 | |
| augustourqui | Bytes and Big Integers | 10 | |
| Luminousvelocity | Greatest Common Divisor | 15 | |
| kacpersowka | Monoprime | 30 | |
| battos | XOR Starter | 10 | |
| HeavyGoat | Favourite byte | 20 | |
| IanCrypto | Base64 | 10 | |
| Oliveee | ASCII | 5 | |
| aboj0 | Bytes and Big Integers | 10 | |
| ngynmq | Double and Broken | 50 | |
| naufalnajieb | Favourite byte | 20 | |
| HeavyGoat | XOR Properties | 15 | |
| NikaStorm | Finding Flags | 2 | |
| naufalnajieb | XOR Properties | 15 | |
| aboj0 | Base64 | 10 | |
| aboj0 | Hex | 5 | |
| battos | Bytes and Big Integers | 10 | |
| Oliveee | Great Snakes | 3 | |
| breadtox | U-turn (Breizh CTF) | 0 | |
| breadtox | Blind (ECSC 2023 (Norway)) | 0 | |
| breadtox | Tough decisions (ECSC 2023 (Norway)) | 0 | |
| matraz60 | Chinese Remainder Theorem | 40 | |
| breadtox | A Joke Cipher (HKCERT CTF) | 0 | |
| breadtox | Lack of Entropy (Firebird Internal CTF) | 0 | |
| breadtox | Unimplemented (TETCTF) | 0 | |
| breadtox | Hide and seek (ECSC 2023 (Norway)) | 0 | |
| breadtox | 1337crypt (DownUnderCTF) | 0 | |
| vbaned | Monoprime | 30 | |
| battos | Base64 | 10 | |
| ShahdElrawy | Finding Flags | 2 | |
| aboj0 | ASCII | 5 | |
| battos | Hex | 5 | |
| battos | ASCII | 5 | |
| canfshmicrowave | Efficient Exchange | 50 | |
| battos | Great Snakes | 3 | |
| battos | Finding Flags | 2 | |
| aboj0 | Great Snakes | 3 |
You are now level Current level