| Date | User | Challenge | Score |
| q3st1on | Oracular Spectacular | 150 | |
| Qasem | Logon Zero | 80 | |
| Jumbo1 | Finding Flags | 2 | |
| nawaf_dahan10 | You either know, XOR you don't | 30 | |
| Qasem | CTRIME | 70 | |
| nawaf_dahan10 | Favourite byte | 20 | |
| Pinotage | Flipping Cookie | 60 | |
| nawaf_dahan10 | XOR Properties | 15 | |
| nawaf_dahan10 | XOR Starter | 10 | |
| Qasem | Triple DES | 60 | |
| nawaf_dahan10 | Bytes and Big Integers | 10 | |
| 1abdulrahman_45 | Diffusion through Permutation | 30 | |
| amr2220604 | Collider | 50 | |
| nawaf_dahan10 | Base64 | 10 | |
| Qasem | Lazy CBC | 60 | |
| nawaf_dahan10 | Hex | 5 | |
| q3st1on | No Random, No Bias | 120 | |
| Qasem | The Matrix Revolutions | 125 | |
| nawaf_dahan10 | ASCII | 5 | |
| 1abdulrahman_45 | Confusion through Substitution | 25 | |
| q3st1on | Digestive | 60 | |
| nawaf_dahan10 | Great Snakes | 3 | |
| LTDAN93 | Finding Flags | 2 | |
| selectko | Encoding Challenge | 40 | |
| Qasem | The Matrix Reloaded | 100 | |
| 1abdulrahman_45 | Round Keys | 20 | |
| nawaf_dahan10 | Finding Flags | 2 | |
| q3st1on | Beatboxer | 150 | |
| Dimitris_Toulis | Null or Never | 100 | |
| mohammedghanen | Bringing It All Together | 50 | |
| DanielR | ASCII | 5 | |
| Qasem | The Matrix | 75 | |
| DanielR | Great Snakes | 3 | |
| DanielR | Finding Flags | 2 | |
| RatDweller | Modular Inverting | 25 | |
| ThinKing | Mister Saplins The Prover | 125 | |
| ThinKing | Saying Hello | 20 | |
| MagicPizzaBox | Quadratic Residues | 25 | |
| Qasem | Script Kiddie | 70 | |
| pedropisa | No Random, No Bias | 120 | |
| mohammedghanen | Diffusion through Permutation | 30 | |
| estoic_identity | You either know, XOR you don't | 30 | |
| q3st1on | Dancing Queen | 120 | |
| 25164137 | Confusion through Substitution | 25 | |
| 25164137 | Round Keys | 20 | |
| 25164137 | Structure of AES | 15 | |
| RatDweller | Modular Arithmetic 2 | 20 | |
| 25164137 | Resisting Bruteforce | 10 | |
| q3st1on | Introduction to Isogenies | 10 | |
| Qasem | Static Client 2 | 120 |
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