| Date | User | Challenge | Score |
| sunflower6767 | Base64 | 10 | |
| mathical0732 | Great Snakes | 3 | |
| sunflower6767 | Hex | 5 | |
| sunflower6767 | ASCII | 5 | |
| nullex | Diffusion through Permutation | 30 | |
| AESpider | Jeff's LFSR | 150 | |
| sunflower6767 | Great Snakes | 3 | |
| sunflower6767 | Finding Flags | 2 | |
| dxjill | Great Snakes | 3 | |
| mathical0732 | Finding Flags | 2 | |
| dxjill | Finding Flags | 2 | |
| cortex12345 | Bespoke Padding | 100 | |
| GreyYoungWiz | Finding Flags | 2 | |
| victor_mks | Modular Square Root | 35 | |
| kilpom | Adrien's Signs | 80 | |
| ArisedLion | Finding Flags | 2 | |
| ishailg | MDFlag | 125 | |
| PAWOS | Marin's Secrets | 50 | |
| jealves | Network Attacks | 5 | |
| mib | Efficient Exchange | 50 | |
| nirchuk | MDFlag | 125 | |
| Vendredi | Public Keys | 15 | |
| actualdragonfly | XOR Starter | 10 | |
| Zorro | Bytes and Big Integers | 10 | |
| MateoSforza | Bytes and Big Integers | 10 | |
| Zorro | Hex | 5 | |
| MovingCage1 | Base64 | 10 | |
| Vendredi | Modular Exponentiation | 10 | |
| MovingCage1 | Hex | 5 | |
| mib | Curves and Logs | 40 | |
| ashermkn1 | Broken RSA | 100 | |
| MovingCage1 | ASCII | 5 | |
| ashermkn1 | Triple DES | 60 | |
| MovingCage1 | Great Snakes | 3 | |
| ashermkn1 | Lazy CBC | 60 | |
| Zorro | Base64 | 10 | |
| MovingCage1 | Finding Flags | 2 | |
| seydina | XOR Starter | 10 | |
| Vendredi | Greatest Common Divisor | 15 | |
| jaeu1341 | Modular Binomials | 80 | |
| Zorro | ASCII | 5 | |
| 2ANielC | You either know, XOR you don't | 30 | |
| mentat | Quadratic Residues | 25 | |
| nullex | Confusion through Substitution | 25 | |
| PAWOS | Infinite Descent | 50 | |
| Vendredi | Hex | 5 | |
| TOPBOOM | Quadratic Residues | 25 | |
| MateoSforza | Base64 | 10 | |
| cassianombo | XOR Properties | 15 | |
| Vendredi | ASCII | 5 |
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