| Date | User | Challenge | Score |
| por1linux | Base64 | 10 | |
| Divad_Al | Diffusion through Permutation | 30 | |
| chester | XOR Properties | 15 | |
| ahmed1 | ASCII | 5 | |
| xMoiuz | Oracular Spectacular | 150 | |
| ixerphic | Modular Inverting | 25 | |
| por1linux | Hex | 5 | |
| racon | Prime and Prejudice | 200 | |
| por1linux | ASCII | 5 | |
| ahmed1 | Great Snakes | 3 | |
| meow_cat | Hex | 5 | |
| ice_001 | Favourite byte | 20 | |
| por1linux | Great Snakes | 3 | |
| ahmed1 | Finding Flags | 2 | |
| Samuels_Ryan | Greatest Common Divisor | 15 | |
| por1linux | Finding Flags | 2 | |
| ice_001 | XOR Properties | 15 | |
| meow_cat | ASCII | 5 | |
| Skarn | Moving Problems | 150 | |
| Divad_Al | Confusion through Substitution | 25 | |
| meow_cat | Great Snakes | 3 | |
| Thundero8 | Structure of AES | 15 | |
| kamalnayan50 | Legendre Symbol | 35 | |
| Divad_Al | Beatboxer | 150 | |
| meow_cat | Finding Flags | 2 | |
| Divad_Al | Forbidden Fruit | 150 | |
| MadRat_0 | Nativity | 60 | |
| Divad_Al | Paper Plane | 120 | |
| ice_001 | XOR Starter | 10 | |
| ice_001 | Bytes and Big Integers | 10 | |
| agrocos | Bringing It All Together | 50 | |
| ixerphic | Modular Arithmetic 2 | 20 | |
| Divad_Al | The Good, The Pad, The Ugly | 100 | |
| Divad_Al | Pad Thai | 80 | |
| Divad_Al | Oh SNAP | 120 | |
| Divad_Al | Dancing Queen | 120 | |
| JoanMakena | Modular Binomials | 80 | |
| Divad_Al | Stream of Consciousness | 80 | |
| Divad_Al | Logon Zero | 80 | |
| Divad_Al | CTRIME | 70 | |
| Divad_Al | Bean Counter | 60 | |
| Mandymutai | Modular Binomials | 80 | |
| Divad_Al | Symmetry | 50 | |
| ice_001 | Base64 | 10 | |
| Divad_Al | Triple DES | 60 | |
| Divad_Al | Lazy CBC | 60 | |
| feniz | Greatest Common Divisor | 15 | |
| JoanMakena | Adrien's Signs | 80 | |
| Divad_Al | Flipping Cookie | 60 | |
| Divad_Al | ECB Oracle | 60 |
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