| Date | User | Challenge | Score |
| GalaxyGaming | Bytes and Big Integers | 10 | |
| nsdrake | Base64 | 10 | |
| aro2030 | Favourite byte | 20 | |
| m3x4n1 | ASCII | 5 | |
| lylythechosenone | Adrien's Signs | 80 | |
| ReiW | Bytes and Big Integers | 10 | |
| BallGuy3710 | Favourite byte | 20 | |
| ReiW | Base64 | 10 | |
| aro2030 | XOR Properties | 15 | |
| ihateencryption | Greatest Common Divisor | 15 | |
| Grolando | Bytes and Big Integers | 10 | |
| maksushka | Bean Counter | 60 | |
| ReiW | Hex | 5 | |
| alogos | Structure of AES | 15 | |
| rgsem | Base64 | 10 | |
| nsdrake | Hex | 5 | |
| BallGuy3710 | XOR Properties | 15 | |
| aro2030 | XOR Starter | 10 | |
| rgsem | Hex | 5 | |
| m3x4n1 | Great Snakes | 3 | |
| nsdrake | ASCII | 5 | |
| nsdrake | Great Snakes | 3 | |
| nashat514 | RSA Decryption | 20 | |
| rgsem | ASCII | 5 | |
| nsdrake | Finding Flags | 2 | |
| aro2030 | Bytes and Big Integers | 10 | |
| GalaxyGaming | Base64 | 10 | |
| lollom | Great Snakes | 3 | |
| nashat514 | Private Keys | 20 | |
| Grolando | Base64 | 10 | |
| Bug_Boy_Genius | Base64 | 10 | |
| Loxeypuff | Greatest Common Divisor | 15 | |
| BallGuy3710 | XOR Starter | 10 | |
| GalaxyGaming | Hex | 5 | |
| ReiW | ASCII | 5 | |
| brightforged | Base64 | 10 | |
| aro2030 | Base64 | 10 | |
| gpitts | Base64 | 10 | |
| SonicSnake1 | Bytes and Big Integers | 10 | |
| nkfle | Modular Square Root | 35 | |
| Bug_Boy_Genius | Hex | 5 | |
| gpitts | Hex | 5 | |
| Tex | XOR Starter | 10 | |
| aro2030 | Hex | 5 | |
| lylythechosenone | Chinese Remainder Theorem | 40 | |
| innergreed | Base64 | 10 | |
| ReiW | Great Snakes | 3 | |
| rgsem | Great Snakes | 3 | |
| brightforged | Hex | 5 | |
| ReiW | Finding Flags | 2 |
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