| Date | User | Challenge | Score |
| HaxL0p4 | Modular Binomials | 80 | |
| Nora1234512 | Hex | 5 | |
| ililihay | Finding Flags | 2 | |
| StackSmahed | Bytes and Big Integers | 10 | |
| Alaeavander | Montgomery's Ladder | 40 | |
| Nora1234512 | ASCII | 5 | |
| ELad21 | Greatest Common Divisor | 15 | |
| Monopoly45 | Modular Binomials | 80 | |
| Nora1234512 | Great Snakes | 3 | |
| y7ya | Hex | 5 | |
| y7ya | ASCII | 5 | |
| UGOTTHEBIGL | Favourite byte | 20 | |
| Monopoly45 | Adrien's Signs | 80 | |
| Nora1234512 | Finding Flags | 2 | |
| NelsonX | Favourite byte | 20 | |
| tranchsanto | Key Backup Service 2 (HKCERT CTF) | 0 | |
| Monopoly45 | Chinese Remainder Theorem | 40 | |
| P4tchw0rk | Favourite byte | 20 | |
| Meen4 | Logon Zero | 80 | |
| P4tchw0rk | XOR Properties | 15 | |
| y7ya | Finding Flags | 2 | |
| StackSmahed | Base64 | 10 | |
| UGOTTHEBIGL | XOR Properties | 15 | |
| NjeoYuen | Lo-Hi Card Game | 120 | |
| Monopoly45 | Modular Square Root | 35 | |
| Monopoly45 | Legendre Symbol | 35 | |
| chelinh | Everything is Big | 70 | |
| Ivannn | Extended GCD | 20 | |
| ShadhinIslam7126 | Modular Exponentiation | 10 | |
| NelsonX | XOR Properties | 15 | |
| khohenshilt | Great Snakes | 3 | |
| Mehrmoosh | Favourite byte | 20 | |
| khohenshilt | Finding Flags | 2 | |
| Mehrmoosh | XOR Properties | 15 | |
| StackSmahed | Hex | 5 | |
| P4tchw0rk | XOR Starter | 10 | |
| Baobab222 | Extended GCD | 20 | |
| hammerbro4567 | Point Negation | 10 | |
| UGOTTHEBIGL | XOR Starter | 10 | |
| StackSmahed | ASCII | 5 | |
| P4tchw0rk | Bytes and Big Integers | 10 | |
| katikistan | Modular Arithmetic 2 | 20 | |
| P4tchw0rk | Base64 | 10 | |
| HaxL0p4 | Adrien's Signs | 80 | |
| P4tchw0rk | Hex | 5 | |
| Cyber_pet | XOR Starter | 10 | |
| P4tchw0rk | ASCII | 5 | |
| StackSmahed | Great Snakes | 3 | |
| P4tchw0rk | Great Snakes | 3 | |
| P4tchw0rk | Finding Flags | 2 |
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