| Date | User | Challenge | Score |
| JBONES | Bytes and Big Integers | 10 | |
| Xx_THELegend_xX | Fast Primes | 75 | |
| JBONES | Base64 | 10 | |
| JBONES | Hex | 5 | |
| JBONES | ASCII | 5 | |
| 4Better | Bytes and Big Integers | 10 | |
| JBONES | Great Snakes | 3 | |
| JBONES | Finding Flags | 2 | |
| Xx_THELegend_xX | Marin's Secrets | 50 | |
| pacillians | Parameter Injection | 60 | |
| Xx_THELegend_xX | Infinite Descent | 50 | |
| capnolove | Manyprime | 40 | |
| Xx_THELegend_xX | Endless Emails | 150 | |
| capnolove | Monoprime | 30 | |
| alchemist7 | Favourite byte | 20 | |
| ImMqted | Lemur XOR | 40 | |
| SuperCrazyLady | Base64 | 10 | |
| jhh0406 | Composite Isogenies | 60 | |
| Staroll | Working with Fields | 10 | |
| ImMqted | You either know, XOR you don't | 30 | |
| ImMqted | Favourite byte | 20 | |
| SuperCrazyLady | Hex | 5 | |
| ImMqted | XOR Properties | 15 | |
| ImMqted | Network Attacks | 5 | |
| ImMqted | XOR Starter | 10 | |
| ImMqted | Encoding Challenge | 40 | |
| SuperCrazyLady | ASCII | 5 | |
| dolphinned | Modular Inverting | 25 | |
| capnolove | Factoring | 15 | |
| ImMqted | Bytes and Big Integers | 10 | |
| ImMqted | Hex | 5 | |
| ImMqted | ASCII | 5 | |
| ImMqted | Base64 | 10 | |
| ImMqted | No Way JOSE | 20 | |
| jhh0406 | Three Isogenies | 35 | |
| ImMqted | Token Appreciation | 5 | |
| skkra0 | Export-grade | 100 | |
| ImMqted | Great Snakes | 3 | |
| jhh0406 | Two Isogenies | 30 | |
| ImMqted | Finding Flags | 2 | |
| mimiele | Base64 | 10 | |
| beaten | Base64 | 10 | |
| fathircyy | Finding Flags | 2 | |
| sertol132 | Modular Arithmetic 1 | 20 | |
| loafiee | Stream of Consciousness | 80 | |
| mari00 | Greatest Common Divisor | 15 | |
| dolphinned | Modular Arithmetic 2 | 20 | |
| Brik_12 | ASCII | 5 | |
| P0113 | Finding Flags | 2 | |
| Brik_12 | Great Snakes | 3 |
You are now level Current level