| Date | User | Challenge | Score |
| bakil | Crossed Wires | 100 | |
| CraftingNerf | Chinese Remainder Theorem | 40 | |
| bakil | Everything is Big | 70 | |
| JoelAnderson | You either know, XOR you don't | 30 | |
| Eli123456789 | Hex | 5 | |
| AltafSaleh | Network Attacks | 5 | |
| AltafSaleh | Great Snakes | 3 | |
| AltafSaleh | Finding Flags | 2 | |
| bakil | Square Eyes | 35 | |
| CraftingNerf | Modular Square Root | 35 | |
| bakil | Inferius Prime | 30 | |
| Eli123456789 | ASCII | 5 | |
| piantaa1 | Base64 | 10 | |
| JoelAnderson | Favourite byte | 20 | |
| JoelAnderson | XOR Properties | 15 | |
| christcreation04 | Finding Flags | 2 | |
| Eli123456789 | Great Snakes | 3 | |
| Nomad0x | Modular Arithmetic 1 | 20 | |
| Eli123456789 | Finding Flags | 2 | |
| Nomad0x | Extended GCD | 20 | |
| skylight | Chinese Remainder Theorem | 40 | |
| piantaa1 | Hex | 5 | |
| JoelAnderson | XOR Starter | 10 | |
| JoelAnderson | Bytes and Big Integers | 10 | |
| origabai | Hamiltonicity 1 | 100 | |
| piantaa1 | ASCII | 5 | |
| JoelAnderson | Base64 | 10 | |
| zomaomar | Network Attacks | 5 | |
| mimski | Great Snakes | 3 | |
| nazli | Great Snakes | 3 | |
| JoelAnderson | Hex | 5 | |
| mimski | Finding Flags | 2 | |
| JoelAnderson | ASCII | 5 | |
| Machgielis | Bytes and Big Integers | 10 | |
| Hashem | Confusion through Substitution | 25 | |
| 0xVoid | Finding Flags | 2 | |
| nazli | Finding Flags | 2 | |
| Hashem | Computing Public Values | 25 | |
| JoelAnderson | Great Snakes | 3 | |
| JoelAnderson | Finding Flags | 2 | |
| Hashem | RSA Signatures | 25 | |
| Palinou | XOR Starter | 10 | |
| Hashem | RSA Decryption | 20 | |
| jriley | Great Snakes | 3 | |
| PandaDu37 | Finding Flags | 2 | |
| ndespresso | Favourite byte | 20 | |
| zomaomar | Great Snakes | 3 | |
| administrator123 | Computing Shared Secrets | 30 | |
| skylight | Modular Square Root | 35 | |
| CarrotMoth | You either know, XOR you don't | 30 |
You are now level Current level