| Date | User | Challenge | Score |
| Cerades | Crossed Wires | 100 | |
| Shriya_Arun | Bean Counter | 60 | |
| minjun | Moving Problems | 150 | |
| CyeRanz | ASCII | 5 | |
| OrneryCash | Bytes and Big Integers | 10 | |
| turing_yedali | Base64 | 10 | |
| CyeRanz | Great Snakes | 3 | |
| OrneryCash | Base64 | 10 | |
| CyeRanz | Finding Flags | 2 | |
| rajforlearn83 | RSA Signatures | 25 | |
| OrneryCash | Hex | 5 | |
| turing_yedali | Hex | 5 | |
| n4x | Lemur XOR | 40 | |
| Hanging_Tree | Point Addition | 30 | |
| madnox | Base64 | 10 | |
| ducklock | XOR Properties | 15 | |
| turing_yedali | ASCII | 5 | |
| Hari542 | Structure of AES | 15 | |
| Anubis1 | Bytes and Big Integers | 10 | |
| turing_yedali | Great Snakes | 3 | |
| z4r10 | Modular Arithmetic 1 | 20 | |
| mboh2 | Quadratic Residues | 25 | |
| n4x | You either know, XOR you don't | 30 | |
| n4x | Favourite byte | 20 | |
| n4x | XOR Properties | 15 | |
| n4x | XOR Starter | 10 | |
| z4r10 | Extended GCD | 20 | |
| Ness2626 | Modulus Inutilis | 50 | |
| n4x | Encoding Challenge | 40 | |
| taki1 | Round Keys | 20 | |
| mboh2 | Modular Inverting | 25 | |
| mboh2 | Modular Arithmetic 2 | 20 | |
| mboh2 | Modular Arithmetic 1 | 20 | |
| Bachatero | Pad Thai | 80 | |
| cse13225klai21 | Pad Thai | 80 | |
| youssefmo | Finding Flags | 2 | |
| Ness2626 | Salty | 20 | |
| taki1 | Structure of AES | 15 | |
| Ness2626 | Manyprime | 40 | |
| n4x | Bytes and Big Integers | 10 | |
| CugoX | Finding Flags | 2 | |
| Anubis1 | Base64 | 10 | |
| bash_script | Finding Flags | 2 | |
| n4x | Base64 | 10 | |
| hadjeer | Finding Flags | 2 | |
| peezyyorn | XOR Properties | 15 | |
| Anubis1 | Hex | 5 | |
| n4x | Hex | 5 | |
| Anubis1 | ASCII | 5 | |
| Shriya_Arun | Symmetry | 50 |
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