| Date | User | Challenge | Score |
| KNOURAymen | Base64 | 10 | |
| bashrc | The Matrix Revolutions | 125 | |
| VitoT | Resisting Bruteforce | 10 | |
| Amro_Hussein | Round Keys | 20 | |
| bashrc | The Matrix Reloaded | 100 | |
| VitoT | Keyed Permutations | 5 | |
| Michaelkov | Hex | 5 | |
| kn1ght073 | Favourite byte | 20 | |
| VitoT | Modular Binomials | 80 | |
| pehan | Round Keys | 20 | |
| J4LL | Finding Flags | 2 | |
| Michaelkov | ASCII | 5 | |
| Ammar2008 | You either know, XOR you don't | 30 | |
| 010001000101001 | Modular Square Root | 35 | |
| bogster | Bringing It All Together | 50 | |
| Ammar2008 | Favourite byte | 20 | |
| Anderson1019sss | Base64 | 10 | |
| bashrc | The Matrix | 75 | |
| Ammar2008 | XOR Properties | 15 | |
| Anderson1019sss | Hex | 5 | |
| kn1ght073 | XOR Properties | 15 | |
| Anderson1019sss | ASCII | 5 | |
| VitoT | Adrien's Signs | 80 | |
| bashrc | Script Kiddie | 70 | |
| Anderson1019sss | Great Snakes | 3 | |
| Michaelkov | Great Snakes | 3 | |
| alaibiogan | Great Snakes | 3 | |
| Anderson1019sss | Finding Flags | 2 | |
| Michaelkov | Finding Flags | 2 | |
| bashrc | Static Client 2 | 120 | |
| Ammar2008 | XOR Starter | 10 | |
| bashrc | Additive | 70 | |
| bashrc | Static Client | 100 | |
| CodeFate | Point Addition | 30 | |
| je4n | Proofs of Knowledge | 20 | |
| cryptoRiO | MDFlag | 125 | |
| rjakeeer | Network Attacks | 5 | |
| HackerManPlow | Great Snakes | 3 | |
| VitoT | Chinese Remainder Theorem | 40 | |
| kn1ght073 | XOR Starter | 10 | |
| VitoT | Modular Square Root | 35 | |
| pehan | Structure of AES | 15 | |
| kn1ght073 | Bytes and Big Integers | 10 | |
| eggpoacher | Modular Inverting | 25 | |
| Amro_Hussein | Structure of AES | 15 | |
| VitoT | Legendre Symbol | 35 | |
| 0xea22 | Chinese Remainder Theorem | 40 | |
| rjakeeer | Great Snakes | 3 | |
| rjakeeer | Finding Flags | 2 | |
| VitoT | Quadratic Residues | 25 |
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