| Date | User | Challenge | Score |
| leqiii | Bytes and Big Integers | 10 | |
| determinant | Bytes and Big Integers | 10 | |
| _yahia | Passwords as Keys | 50 | |
| S1MPLE | Modular Inverting | 25 | |
| S1MPLE | Modular Arithmetic 2 | 20 | |
| Palesword | Salty | 20 | |
| S1MPLE | Modular Arithmetic 1 | 20 | |
| S1MPLE | Extended GCD | 20 | |
| S1MPLE | Greatest Common Divisor | 15 | |
| determinant | Base64 | 10 | |
| Asma089 | Confusion through Substitution | 25 | |
| Raccoon42 | Megalomaniac 1 | 100 | |
| determinant | Hex | 5 | |
| Palesword | Manyprime | 40 | |
| Tsurayya | Greatest Common Divisor | 15 | |
| quadfire | Modular Inverting | 25 | |
| blackhawk | Gram Schmidt | 30 | |
| leqiii | Base64 | 10 | |
| leqiii | Hex | 5 | |
| leqiii | ASCII | 5 | |
| no4h | Manyprime | 40 | |
| thisnello | What's a Lattice? | 40 | |
| Palesword | Monoprime | 30 | |
| leqiii | Great Snakes | 3 | |
| verushka232 | ASCII | 5 | |
| quadfire | Modular Arithmetic 2 | 20 | |
| lipou | Extended GCD | 20 | |
| zhivvv | Favourite byte | 20 | |
| leqiii | Finding Flags | 2 | |
| kefirfermente | Smooth Criminal | 60 | |
| verushka232 | Great Snakes | 3 | |
| quadfire | Modular Arithmetic 1 | 20 | |
| sloth | Base64 | 10 | |
| verushka232 | Finding Flags | 2 | |
| sloth | Hex | 5 | |
| lainpattern | Greatest Common Divisor | 15 | |
| Corbin | Finding Flags | 2 | |
| thisnello | Gram Schmidt | 30 | |
| sloth | ASCII | 5 | |
| sloth | Great Snakes | 3 | |
| DhamoZx | Manyprime | 40 | |
| sloth | Finding Flags | 2 | |
| thisnello | Size and Basis | 15 | |
| determinant | ASCII | 5 | |
| Tsurayya | XOR Properties | 15 | |
| thisnello | Vectors | 10 | |
| rootedX | Chinese Remainder Theorem | 40 | |
| DhamoZx | Square Eyes | 35 | |
| rootedX | Modular Square Root | 35 | |
| tarapos | Modular Binomials | 80 |
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