| Date | User | Challenge | Score |
| Upcoming0481 | XOR Starter | 10 | |
| zek07 | Great Snakes | 3 | |
| StarBurst1024 | Confusion through Substitution | 25 | |
| zek07 | Finding Flags | 2 | |
| phomai739391 | Unencryptable | 125 | |
| ckrx | Hex | 5 | |
| HoangBao | Favourite byte | 20 | |
| zzzyyyzzz | ASCII | 5 | |
| mayador | XOR Starter | 10 | |
| whoiswhois | Seventy-Two | 50 | |
| Upcoming0481 | Bytes and Big Integers | 10 | |
| LightYagami_1098 | Base64 | 10 | |
| StarBurst1024 | Round Keys | 20 | |
| H4x0rGh0st | XOR Starter | 10 | |
| Kran | Logon Zero | 80 | |
| xQubit | Cofactor Cofantasy | 150 | |
| g1336 | Background Reading | 5 | |
| Chilnosu | Finding Flags | 2 | |
| ckrx | ASCII | 5 | |
| ZzZzZzZzZ | Finding Flags | 2 | |
| furkanakkaya | Base64 | 10 | |
| Eliott | Find the Lattice | 100 | |
| ziwonszi | Lemur XOR | 40 | |
| H4x0rGh0st | Bytes and Big Integers | 10 | |
| zzzyyyzzz | Great Snakes | 3 | |
| ckrx | Great Snakes | 3 | |
| Upcoming0481 | Base64 | 10 | |
| zzzyyyzzz | Finding Flags | 2 | |
| LightYagami_1098 | Hex | 5 | |
| shshent | Adrien's Signs | 80 | |
| LightYagami_1098 | ASCII | 5 | |
| Geld4n | Great Snakes | 3 | |
| pudding | XOR Starter | 10 | |
| StarBurst1024 | Structure of AES | 15 | |
| mayador | Bytes and Big Integers | 10 | |
| ABCSlime | Export-grade | 100 | |
| ziwonszi | You either know, XOR you don't | 30 | |
| xQubit | Unencryptable | 125 | |
| Grzywa | Base64 | 10 | |
| turtur | Modular Inverting | 25 | |
| shshent | Chinese Remainder Theorem | 40 | |
| furkanakkaya | Hex | 5 | |
| Upcoming0481 | Hex | 5 | |
| pudding | Bytes and Big Integers | 10 | |
| shshent | Modular Square Root | 35 | |
| KannaDGrimReaper | Base64 | 10 | |
| bzkz | Bytes and Big Integers | 10 | |
| furkanakkaya | ASCII | 5 | |
| LightYagami_1098 | Great Snakes | 3 | |
| goldameira | Signing Server | 60 |
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