| Date | User | Challenge | Score |
| williehen | Megalomaniac 1 | 100 | |
| jail | ASCII | 5 | |
| jail | Great Snakes | 3 | |
| jail | Finding Flags | 2 | |
| tigerBoss101 | Everything is Still Big | 100 | |
| tacticalHyperfix | Modular Arithmetic 1 | 20 | |
| gavdingo | Base64 | 10 | |
| QWXXHSX123 | Bringing It All Together | 50 | |
| gavdingo | Hex | 5 | |
| tacticalHyperfix | Extended GCD | 20 | |
| jazzyhands | Great Snakes | 3 | |
| gavdingo | ASCII | 5 | |
| jazzyhands | Finding Flags | 2 | |
| gavdingo | Great Snakes | 3 | |
| gavdingo | Finding Flags | 2 | |
| BillGerald | Confusion through Substitution | 25 | |
| Kovi | You either know, XOR you don't | 30 | |
| skylight | Legendre Symbol | 35 | |
| hsyn | Modular Square Root | 35 | |
| kichu111 | Finding Flags | 2 | |
| hsyn | Legendre Symbol | 35 | |
| BillGerald | Round Keys | 20 | |
| hungtrab | OR Proof (CryptoHack) | 0 | |
| Kovi | Favourite byte | 20 | |
| BillGerald | Structure of AES | 15 | |
| hsyn | Quadratic Residues | 25 | |
| Kovi | XOR Properties | 15 | |
| Kovi | XOR Starter | 10 | |
| Kovi | Bytes and Big Integers | 10 | |
| alian0_0 | Greatest Common Divisor | 15 | |
| Kovi | Base64 | 10 | |
| Kovi | Hex | 5 | |
| Kovi | ASCII | 5 | |
| Kovi | Great Snakes | 3 | |
| BillGerald | Quadratic Residues | 25 | |
| Kovi | Finding Flags | 2 | |
| toomuchcoffee | Static Client 2 | 120 | |
| Mohammedosam | Network Attacks | 5 | |
| Mohammedosam | Great Snakes | 3 | |
| Mohammedosam | Finding Flags | 2 | |
| BillGerald | Modular Inverting | 25 | |
| resowifix | Jack's Birthday Hash | 20 | |
| tacticalHyperfix | Greatest Common Divisor | 15 | |
| resowifix | Jack's Birthday Confusion | 30 | |
| HaxL0p4 | RSA Decryption | 20 | |
| resowifix | Confusion through Substitution | 25 | |
| toomuchcoffee | Additive | 70 | |
| resowifix | Round Keys | 20 | |
| toomuchcoffee | Static Client | 100 | |
| HaxL0p4 | Private Keys | 20 |
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