| Date | User | Challenge | Score |
| ShubaDuck | Everything is Big | 70 | |
| Churchil | Hex | 5 | |
| tiruuz | ASCII | 5 | |
| 4l4n | Base64 | 10 | |
| tiruuz | Great Snakes | 3 | |
| Zvarethos007 | Point Negation | 10 | |
| 4l4n | Hex | 5 | |
| 4l4n | ASCII | 5 | |
| 4l4n | Great Snakes | 3 | |
| luisGarcia | Great Snakes | 3 | |
| 4l4n | Finding Flags | 2 | |
| luisGarcia | Finding Flags | 2 | |
| LuigiPrado01 | Finding Flags | 2 | |
| tiruuz | Finding Flags | 2 | |
| phuctrung | Symmetry | 50 | |
| Banana_Babanana | Curveball | 100 | |
| ShubaDuck | Salty | 20 | |
| Nidhi_Kathayat | SSH Keys | 35 | |
| ShubaDuck | Inferius Prime | 30 | |
| dskc | Legendre Symbol | 35 | |
| jowithu | Bean Counter | 60 | |
| jowithu | Symmetry | 50 | |
| jowithu | Flipping Cookie | 60 | |
| Tactical_Nerd | Bean Counter | 60 | |
| jowithu | ECB CBC WTF | 55 | |
| jowithu | ECB Oracle | 60 | |
| Namunamu | Smooth Criminal | 60 | |
| Tactical_Nerd | Symmetry | 50 | |
| jowithu | Passwords as Keys | 50 | |
| sangph2612 | Everything is Still Big | 100 | |
| Banana_Babanana | Digestive | 60 | |
| jowithu | Modes of Operation Starter | 15 | |
| jowithu | Bringing It All Together | 50 | |
| jowithu | Diffusion through Permutation | 30 | |
| hakka52 | ProSign 3 | 100 | |
| jowithu | Confusion through Substitution | 25 | |
| sangph2612 | Crossed Wires | 100 | |
| sangph2612 | Everything is Big | 70 | |
| jowithu | Round Keys | 20 | |
| emyhh | ASCII | 5 | |
| jowithu | Structure of AES | 15 | |
| emyhh | Great Snakes | 3 | |
| jowithu | Resisting Bruteforce | 10 | |
| hakka52 | Encoding Challenge | 40 | |
| 0xTFS | Base64 | 10 | |
| emyhh | Finding Flags | 2 | |
| jowithu | Keyed Permutations | 5 | |
| jowithu | Modular Binomials | 80 | |
| hakka52 | Network Attacks | 5 | |
| 0xTFS | Hex | 5 |
You are now level Current level