| Date | User | Challenge | Score |
| peter941221 | Finding Flags | 2 | |
| Snacky | Curveball | 100 | |
| DarkinCypher | Resisting Bruteforce | 10 | |
| wwz | Infinite Descent | 50 | |
| Snacky | Smooth Criminal | 60 | |
| SoonOOv | Favourite byte | 20 | |
| mochaowo | Square Eyes | 35 | |
| wwz | RSA Signatures | 25 | |
| mochaowo | Inferius Prime | 30 | |
| wwz | RSA Decryption | 20 | |
| SoonOOv | XOR Properties | 15 | |
| wwz | Private Keys | 20 | |
| luqman30 | Flipping Cookie | 60 | |
| wwz | Euler's Totient | 20 | |
| ankaaistired | ASCII | 5 | |
| Snacky | Montgomery's Ladder | 40 | |
| wwz | Public Keys | 15 | |
| SoonOOv | XOR Starter | 10 | |
| rexest | Adrien's Signs | 80 | |
| wwz | Modular Exponentiation | 10 | |
| defa | Modular Square Root | 35 | |
| SoonOOv | Bytes and Big Integers | 10 | |
| rexest | Chinese Remainder Theorem | 40 | |
| SoonOOv | Base64 | 10 | |
| rexest | Modular Square Root | 35 | |
| SoonOOv | Hex | 5 | |
| CastorJr | Passwords as Keys | 50 | |
| SoonOOv | ASCII | 5 | |
| SoonOOv | Great Snakes | 3 | |
| SoonOOv | Finding Flags | 2 | |
| RizoCrk | Private Keys | 20 | |
| RizoCrk | Euler's Totient | 20 | |
| DarkinCypher | Keyed Permutations | 5 | |
| RizoCrk | Public Keys | 15 | |
| defa | Legendre Symbol | 35 | |
| rexest | Legendre Symbol | 35 | |
| RizoCrk | Modular Exponentiation | 10 | |
| magmastorrm317 | Base64 | 10 | |
| magmastorrm317 | Hex | 5 | |
| sdigs | Jack's Birthday Confusion | 30 | |
| ankaaistired | Great Snakes | 3 | |
| Ter3Sni | JWT Sessions | 10 | |
| CastorJr | Modes of Operation Starter | 15 | |
| Ter3Sni | Token Appreciation | 5 | |
| ereiselt | Logon Zero | 80 | |
| villag | Great Snakes | 3 | |
| sdigs | Jack's Birthday Hash | 20 | |
| ankaaistired | Finding Flags | 2 | |
| MilkiSushi | Moving Problems | 150 | |
| villag | Finding Flags | 2 |
You are now level Current level