| Date | User | Challenge | Score |
| TixMugi | Modular Arithmetic 1 | 20 | |
| Vicusol | Modular Inverting | 25 | |
| nprat | Symmetry | 50 | |
| Nyunseo | Scalar Multiplication | 35 | |
| scriptboyi | Hex | 5 | |
| bashrc | Endless Emails | 150 | |
| bashrc | Infinite Descent | 50 | |
| jskeob | Moving Problems | 150 | |
| b0urb0n | Great Snakes | 3 | |
| bashrc | Everything is Still Big | 100 | |
| MahmoodTavafoghi | Chinese Remainder Theorem | 40 | |
| WertherSamsa | Quadratic Residues | 25 | |
| TeaQuicky | Parameter Injection | 60 | |
| scriptboyi | ASCII | 5 | |
| bashrc | Crossed Wires | 100 | |
| Vicusol | Modular Arithmetic 2 | 20 | |
| Cano_il_Marsi | Size and Basis | 15 | |
| bashrc | Everything is Big | 70 | |
| Nyunseo | Point Addition | 30 | |
| bashrc | Inferius Prime | 30 | |
| farkasmia2 | Finding Flags | 2 | |
| bashrc | Square Eyes | 35 | |
| Cano_il_Marsi | Vectors | 10 | |
| EmmanuelGoldberg | Lo-Hi Card Game | 120 | |
| MrCobblepot | Export-grade | 100 | |
| WertherSamsa | Modular Inverting | 25 | |
| kalixtro | Encoding Challenge | 40 | |
| WertherSamsa | Modular Arithmetic 2 | 20 | |
| n40y | Modular Binomials | 80 | |
| WertherSamsa | Modular Arithmetic 1 | 20 | |
| WertherSamsa | Extended GCD | 20 | |
| itg6j | Modular Arithmetic 1 | 20 | |
| bashrc | An Evil Twisted Mind | 175 | |
| nprat | Flipping Cookie | 60 | |
| Bzbzmom | Finding Flags | 2 | |
| itg6j | Extended GCD | 20 | |
| WertherSamsa | Greatest Common Divisor | 15 | |
| Nyunseo | Point Negation | 10 | |
| nprat | ECB CBC WTF | 55 | |
| Rishikesh | Finding Flags | 2 | |
| craezed | XOR Properties | 15 | |
| Nyunseo | Background Reading | 5 | |
| AironVzcr | Base64 | 10 | |
| bashrc | Checkpoint | 150 | |
| bashrc | An Exceptional Twisted Mind | 125 | |
| vindezf | XOR Starter | 10 | |
| WertherSamsa | Encoding Challenge | 40 | |
| bashrc | A Twisted Mind | 80 | |
| Amani | Passwords as Keys | 50 | |
| pehan | You either know, XOR you don't | 30 |
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