| Date | User | Challenge | Score |
| elfz | Greatest Common Divisor | 15 | |
| elfz | Lemur XOR | 40 | |
| linimasa | Finding Flags | 2 | |
| arealsquirrel | Everything is Big | 70 | |
| MindBrand25 | ASCII | 5 | |
| MindBrand25 | Great Snakes | 3 | |
| MindBrand25 | Finding Flags | 2 | |
| ttttttt | Base64 | 10 | |
| amr_hassan | Everything is Big | 70 | |
| marcofireball84 | Adrien's Signs | 80 | |
| drunix | Resisting Bruteforce | 10 | |
| stonebreaker | Gotta Go Fast | 40 | |
| ttttttt | Hex | 5 | |
| ttttttt | ASCII | 5 | |
| drunix | Keyed Permutations | 5 | |
| ttttttt | Great Snakes | 3 | |
| ttttttt | Finding Flags | 2 | |
| abdelgha4 | Bytes and Big Integers | 10 | |
| exoskellyman | You either know, XOR you don't | 30 | |
| drunix | Finding Flags | 2 | |
| drunix | Network Attacks | 5 | |
| stonebreaker | Lemur XOR | 40 | |
| 3bmgeed | Curves and Logs | 40 | |
| drunix | Great Snakes | 3 | |
| deathknight | Pad Thai | 80 | |
| exoskellyman | Favourite byte | 20 | |
| stonebreaker | Encoding Challenge | 40 | |
| stonebreaker | You either know, XOR you don't | 30 | |
| BearThaRealHe | Manyprime | 40 | |
| exoskellyman | XOR Properties | 15 | |
| PAWOS | Stream of Consciousness | 80 | |
| ispo | An Evil Twisted Mind | 175 | |
| deathknight | Static Client 2 | 120 | |
| Rh4ck0Der | Bytes and Big Integers | 10 | |
| Kicks299 | Lemur XOR | 40 | |
| Baroad | ASCII | 5 | |
| abdelgha4 | Base64 | 10 | |
| jbl | You either know, XOR you don't | 30 | |
| abdelgha4 | Hex | 5 | |
| Cr4n30cal60 | XOR Starter | 10 | |
| jbl | Favourite byte | 20 | |
| jbl | XOR Properties | 15 | |
| BearThaRealHe | Monoprime | 30 | |
| stonebreaker | Favourite byte | 20 | |
| abdelgha4 | ASCII | 5 | |
| stonebreaker | XOR Properties | 15 | |
| BearThaRealHe | Factoring | 15 | |
| Cr4n30cal60 | Bytes and Big Integers | 10 | |
| stonebreaker | XOR Starter | 10 | |
| jbl | XOR Starter | 10 |
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