| Date | User | Challenge | Score |
| fixy | Hex | 5 | |
| cap0 | Bytes and Big Integers | 10 | |
| fixy | ASCII | 5 | |
| bakil | Extended GCD | 20 | |
| fixy | Great Snakes | 3 | |
| fixy | Finding Flags | 2 | |
| crypto_07 | Modular Square Root | 35 | |
| brobinh | Quadratic Residues | 25 | |
| PolyFluorine | Everything is Still Big | 100 | |
| Tryffel10 | Chinese Remainder Theorem | 40 | |
| PolyFluorine | Crossed Wires | 100 | |
| brew | Generators of Groups | 20 | |
| cyk0sure | LWE Intro | 10 | |
| giusber2005 | Scalar Multiplication | 35 | |
| Tryffel10 | Modular Square Root | 35 | |
| brobinh | Modular Inverting | 25 | |
| Moi3032 | Modular Square Root | 35 | |
| fixcin | Bytes and Big Integers | 10 | |
| Tryffel10 | Legendre Symbol | 35 | |
| Tryffel10 | Quadratic Residues | 25 | |
| Tryffel10 | Modular Inverting | 25 | |
| brobinh | Modular Arithmetic 2 | 20 | |
| Tryffel10 | Modular Arithmetic 2 | 20 | |
| Tryffel10 | Modular Arithmetic 1 | 20 | |
| PolyFluorine | Everything is Big | 70 | |
| PolyFluorine | Square Eyes | 35 | |
| saveryyt | XOR Properties | 15 | |
| fixcin | Base64 | 10 | |
| brobinh | Modular Arithmetic 1 | 20 | |
| cap0 | Base64 | 10 | |
| linaaaaaaaaaaaaa | Encoding Challenge | 40 | |
| flagweaver | JSON in JSON | 40 | |
| FIDB0 | Greatest Common Divisor | 15 | |
| PolyFluorine | Inferius Prime | 30 | |
| brobinh | Extended GCD | 20 | |
| cap0 | Hex | 5 | |
| Marchet_91 | Transparency | 50 | |
| small_worm | Two Isogenies | 30 | |
| PolyFluorine | Lazy CBC | 60 | |
| flagweaver | Encoding Challenge | 40 | |
| Tryffel10 | Extended GCD | 20 | |
| fixcin | Hex | 5 | |
| Tryffel10 | Greatest Common Divisor | 15 | |
| aboj0 | Manyprime | 40 | |
| cap0 | ASCII | 5 | |
| cap0 | Great Snakes | 3 | |
| cap0 | Finding Flags | 2 | |
| saveryyt | XOR Starter | 10 | |
| flagweaver | Gotta Go Fast | 40 | |
| ngynmq | Elliptic Nodes | 150 |
You are now level Current level