| Date | User | Challenge | Score |
| akkult | Quadratic Residues | 25 | |
| akkult | Modular Inverting | 25 | |
| akkult | Modular Arithmetic 2 | 20 | |
| Cleaon | Finding Flags | 2 | |
| pinfish | Finding Flags | 2 | |
| sasytaco802 | Script Kiddie | 70 | |
| n0lik | Great Snakes | 3 | |
| n0lik | Finding Flags | 2 | |
| Duckart | Salty | 20 | |
| Beannn | Great Snakes | 3 | |
| Beannn | Finding Flags | 2 | |
| chucklouie | Structure of AES | 15 | |
| LokiXploit | Great Snakes | 3 | |
| uriyamal12 | Token Appreciation | 5 | |
| LokiXploit | Finding Flags | 2 | |
| KD1234 | Base64 | 10 | |
| uriyamal12 | Encoding Challenge | 40 | |
| chucklouie | Confusion through Substitution | 25 | |
| Timeweaver | Modular Arithmetic 1 | 20 | |
| Duckart | Square Eyes | 35 | |
| sasytaco802 | Static Client 2 | 120 | |
| Timeweaver | Extended GCD | 20 | |
| funday | Encoding Challenge | 40 | |
| imthestingerbee | Base64 | 10 | |
| imthestingerbee | Hex | 5 | |
| Duckart | Monoprime | 30 | |
| imthestingerbee | ASCII | 5 | |
| Shayne | Great Snakes | 3 | |
| AaronCrighton | Dancing Queen | 120 | |
| Aeneas7 | André Encoding | 80 | |
| vitality_suicide | Modular Inverting | 25 | |
| Shayne | Finding Flags | 2 | |
| imthestingerbee | Great Snakes | 3 | |
| funday | Bytes and Big Integers | 10 | |
| anon2k26 | Favourite byte | 20 | |
| funday | Base64 | 10 | |
| mbexy | Base64 | 10 | |
| funday | Hex | 5 | |
| vitality_suicide | Modular Arithmetic 2 | 20 | |
| funday | ASCII | 5 | |
| DhamoZx | Confusion through Substitution | 25 | |
| ArdorBlossom | Factoring | 15 | |
| anon2k26 | You either know, XOR you don't | 30 | |
| Pluvic | Logon Zero | 80 | |
| shrimp2845 | Lazy CBC | 60 | |
| mbexy | Hex | 5 | |
| aswinramesan | Bytes and Big Integers | 10 | |
| miiyen | Modes of Operation Starter | 15 | |
| Lord_Ping | You either know, XOR you don't | 30 | |
| vitality_suicide | Modular Arithmetic 1 | 20 |
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