| Date | User | Challenge | Score |
| jonnytang | Point Negation | 10 | |
| legged | Base64 | 10 | |
| legged | Hex | 5 | |
| SanchezSquad | The Matrix | 75 | |
| legged | ASCII | 5 | |
| aifrilnag0505 | Passwords as Keys | 50 | |
| legged | Great Snakes | 3 | |
| legged | Finding Flags | 2 | |
| Sallyta01 | Hex | 5 | |
| cyberri | Gotta Go Fast | 40 | |
| SanchezSquad | Script Kiddie | 70 | |
| IgnacioMercaich | XOR Properties | 15 | |
| SanchezSquad | Static Client 2 | 120 | |
| DetestoDocker | Modulus Inutilis | 50 | |
| DetestoDocker | Salty | 20 | |
| DetestoDocker | Manyprime | 40 | |
| Warpx_25 | Modular Arithmetic 1 | 20 | |
| Anti_ | ZKP Introduction | 5 | |
| SanchezSquad | Additive | 70 | |
| SanchezSquad | Static Client | 100 | |
| grupo52026 | No Way JOSE | 20 | |
| Warpx_25 | Extended GCD | 20 | |
| Anti_ | Symmetry | 50 | |
| SanchezSquad | Export-grade | 100 | |
| aifrilnag0505 | Modes of Operation Starter | 15 | |
| Warpx_25 | Greatest Common Divisor | 15 | |
| aifrilnag0505 | Bringing It All Together | 50 | |
| SanchezSquad | Parameter Injection | 60 | |
| marcofireball84 | Lemur XOR | 40 | |
| Anti_ | Background Reading | 5 | |
| SanchezSquad | Computing Public Values | 25 | |
| SanchezSquad | Generators of Groups | 20 | |
| SanchezSquad | Working with Fields | 10 | |
| Alan233 | Network Attacks | 5 | |
| 0xMinhT | Montgomery's Ladder | 40 | |
| marcofireball84 | Network Attacks | 5 | |
| cdxe284605 | Hex | 5 | |
| marcofireball84 | No Leaks | 100 | |
| cdxe284605 | ASCII | 5 | |
| cdxe284605 | Great Snakes | 3 | |
| aifrilnag0505 | Diffusion through Permutation | 30 | |
| cdxe284605 | Finding Flags | 2 | |
| mrvoid_cat | Great Snakes | 3 | |
| Kiograh_ | Lemur XOR | 40 | |
| mrvoid_cat | Finding Flags | 2 | |
| Kiograh_ | You either know, XOR you don't | 30 | |
| aifrilnag0505 | Confusion through Substitution | 25 | |
| Kiograh_ | Favourite byte | 20 | |
| grupo52026 | Square Eyes | 35 | |
| Kiograh_ | XOR Properties | 15 |
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