| Date | User | Challenge | Score |
| Cosmin | Bytes and Big Integers | 10 | |
| lagerat | Legendre Symbol | 35 | |
| mani_vvs | Chinese Remainder Theorem | 40 | |
| marv1nh | Base64 | 10 | |
| janashehadeh | Great Snakes | 3 | |
| Ratte_ohnePlan | Great Snakes | 3 | |
| marv1nh | Hex | 5 | |
| marv1nh | ASCII | 5 | |
| r4sti | Seventy-Two | 50 | |
| Aetheraxia | Extended GCD | 20 | |
| r4sti | Long Story Short | 60 | |
| Ratte_ohnePlan | Finding Flags | 2 | |
| marv1nh | Great Snakes | 3 | |
| Cosmin | Base64 | 10 | |
| marv1nh | Finding Flags | 2 | |
| manik2027 | Great Snakes | 3 | |
| jskeob | Unencryptable | 125 | |
| syrvopro | Modular Arithmetic 1 | 20 | |
| syrvopro | Extended GCD | 20 | |
| Slavonishe | Quadratic Residues | 25 | |
| NvrB4r | Great Snakes | 3 | |
| thanggG | Background Reading | 5 | |
| kev6 | Adrien's Signs | 80 | |
| aakjwndk | Export-grade | 100 | |
| lagerat | Quadratic Residues | 25 | |
| NvrB4r | Finding Flags | 2 | |
| RichardAkin | Bytes and Big Integers | 10 | |
| syrvopro | Greatest Common Divisor | 15 | |
| MOHAMMED_FARAZ | Finding Flags | 2 | |
| Slavonishe | Modular Inverting | 25 | |
| Kimis | Great Snakes | 3 | |
| unixkarma | Bytes and Big Integers | 10 | |
| death123 | Greatest Common Divisor | 15 | |
| alexd360 | Finding Flags | 2 | |
| thanggG | Quadratic Residues | 25 | |
| Slavonishe | Modular Arithmetic 2 | 20 | |
| jskeob | No Way Back Home | 100 | |
| thanggG | Modular Inverting | 25 | |
| thanggG | Modular Arithmetic 2 | 20 | |
| Aptx | Bad Temper 2 | 150 | |
| manik2027 | Finding Flags | 2 | |
| Chastityj | Base64 | 10 | |
| thanggG | Modular Arithmetic 1 | 20 | |
| thanggG | Extended GCD | 20 | |
| Slavonishe | Modular Arithmetic 1 | 20 | |
| Chastityj | Hex | 5 | |
| Aptx | Bad Temper | 130 | |
| Aptx | Long Story Short | 60 | |
| Aptx | Seventy-Two | 50 | |
| maksushka | Authenticated Handshake | 40 |
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