| Date | User | Challenge | Score |
| imix42 | Favourite byte | 20 | |
| romankysil | Diffusion through Permutation | 30 | |
| ezequielgalvez | Bringing It All Together | 50 | |
| imix42 | XOR Properties | 15 | |
| SGRashi | Great Snakes | 3 | |
| SGRashi | Finding Flags | 2 | |
| rabb1t | Base64 | 10 | |
| maulanazp12 | XOR Starter | 10 | |
| rabb1t | Hex | 5 | |
| rabb1t | ASCII | 5 | |
| rabb1t | Great Snakes | 3 | |
| rabb1t | Finding Flags | 2 | |
| vadyyym1202 | You either know, XOR you don't | 30 | |
| vadyyym1202 | Favourite byte | 20 | |
| maulanazp12 | Bytes and Big Integers | 10 | |
| vadyyym1202 | XOR Properties | 15 | |
| vadyyym1202 | XOR Starter | 10 | |
| vadyyym1202 | Bytes and Big Integers | 10 | |
| uwualien | XOR Starter | 10 | |
| vadyyym1202 | Base64 | 10 | |
| vadyyym1202 | Hex | 5 | |
| vadyyym1202 | ASCII | 5 | |
| vadyyym1202 | Great Snakes | 3 | |
| vadyyym1202 | Finding Flags | 2 | |
| TurningPointer | Modular Inverting | 25 | |
| uwualien | Bytes and Big Integers | 10 | |
| rabbitking | Resisting Bruteforce | 10 | |
| UrSourceCode | Extended GCD | 20 | |
| coffee18 | Resisting Bruteforce | 10 | |
| youxiu | Great Snakes | 3 | |
| rabbitking | Keyed Permutations | 5 | |
| youxiu | Finding Flags | 2 | |
| zxcShadee | Favourite byte | 20 | |
| uwualien | Base64 | 10 | |
| Aarogant | Extended GCD | 20 | |
| uwualien | Hex | 5 | |
| uwualien | ASCII | 5 | |
| uwualien | Great Snakes | 3 | |
| TeaQuicky | Oracular Spectacular | 150 | |
| uwualien | Finding Flags | 2 | |
| rabbitking | Modular Binomials | 80 | |
| coffee18 | Keyed Permutations | 5 | |
| chocolaty | You either know, XOR you don't | 30 | |
| gsdz | Computing Shared Secrets | 30 | |
| gsdz | Computing Public Values | 25 | |
| Adamking | Computing Shared Secrets | 30 | |
| Adamking | Computing Public Values | 25 | |
| gouranga | Hex | 5 | |
| gouranga | ASCII | 5 | |
| gouranga | Great Snakes | 3 |
You are now level Current level