| Date | User | Challenge | Score |
| Nymos | Hex | 5 | |
| KMS | Keyed Permutations | 5 | |
| nathan_bourguet | Greatest Common Divisor | 15 | |
| Nymos | ASCII | 5 | |
| mikeythedream | Keyed Permutations | 5 | |
| anuhur | Keyed Permutations | 5 | |
| Nymos | Great Snakes | 3 | |
| headstand | Resisting Bruteforce | 10 | |
| maxw44266 | Modular Inverting | 25 | |
| cedm | Resisting Bruteforce | 10 | |
| ikid | Resisting Bruteforce | 10 | |
| Aethered | Resisting Bruteforce | 10 | |
| headstand | Keyed Permutations | 5 | |
| cedm | Keyed Permutations | 5 | |
| o2gasoline | Hex | 5 | |
| Aethered | Keyed Permutations | 5 | |
| RHellkite | XOR Starter | 10 | |
| TTING | Modes of Operation Starter | 15 | |
| Nymos | Finding Flags | 2 | |
| balginbek | Modes of Operation Starter | 15 | |
| balginbek | Bringing It All Together | 50 | |
| m0x90 | Confusion through Substitution | 25 | |
| balginbek | Diffusion through Permutation | 30 | |
| balginbek | Confusion through Substitution | 25 | |
| Chimi | Finding Flags | 2 | |
| balginbek | Round Keys | 20 | |
| balginbek | Structure of AES | 15 | |
| o2gasoline | ASCII | 5 | |
| balginbek | Resisting Bruteforce | 10 | |
| balginbek | Keyed Permutations | 5 | |
| Pancakes | Round Keys | 20 | |
| TTING | Bringing It All Together | 50 | |
| o2gasoline | Great Snakes | 3 | |
| Daksh_Mamodiya | Keyed Permutations | 5 | |
| skama | Adrien's Signs | 80 | |
| ikid | Keyed Permutations | 5 | |
| Tran_Hinh_Loai | Legendre Symbol | 35 | |
| m0x90 | Round Keys | 20 | |
| Pancakes | Structure of AES | 15 | |
| adNRJ | Base64 | 10 | |
| o2gasoline | Finding Flags | 2 | |
| m0x90 | Structure of AES | 15 | |
| Joseph_K | Chinese Remainder Theorem | 40 | |
| RHellkite | Bytes and Big Integers | 10 | |
| RHellkite | Base64 | 10 | |
| RHellkite | Hex | 5 | |
| RHellkite | ASCII | 5 | |
| Daksh_Mamodiya | Modular Binomials | 80 | |
| 100050 | Computing Shared Secrets | 30 | |
| RHellkite | Great Snakes | 3 |
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