| Date | User | Challenge | Score |
| Vermillionjtw | Base64 | 10 | |
| Ygx | Modular Binomials | 80 | |
| quocnguyenpa | Salty | 20 | |
| HoraHack | Great Snakes | 3 | |
| Vermillionjtw | Hex | 5 | |
| Ygx | Adrien's Signs | 80 | |
| Hanging_Tree | Salty | 20 | |
| Ygx | Chinese Remainder Theorem | 40 | |
| quocnguyenpa | Manyprime | 40 | |
| HoraHack | Finding Flags | 2 | |
| Ygx | Modular Square Root | 35 | |
| Vermillionjtw | ASCII | 5 | |
| VISAS_STARFROST | You either know, XOR you don't | 30 | |
| Vermillionjtw | Great Snakes | 3 | |
| Ygx | Legendre Symbol | 35 | |
| MrD | Computing Public Values | 25 | |
| Hanging_Tree | Monoprime | 30 | |
| Superior | Real Mersenne (Zh3r0 CTF V2) | 0 | |
| Vermillionjtw | Finding Flags | 2 | |
| Ygx | Quadratic Residues | 25 | |
| quocnguyenpa | Monoprime | 30 | |
| Ygx | Modular Inverting | 25 | |
| hayzer | Manyprime | 40 | |
| Ygx | Modular Arithmetic 2 | 20 | |
| Hanging_Tree | Factoring | 15 | |
| quocnguyenpa | Factoring | 15 | |
| hayzer | Monoprime | 30 | |
| hvp1908 | Favourite byte | 20 | |
| Ygx | Modular Arithmetic 1 | 20 | |
| Rangkiasm | Network Attacks | 5 | |
| personjs | Too Honest | 50 | |
| sma11pi9 | Symmetry | 50 | |
| Easy1 | ASCII | 5 | |
| rsinato | ECB CBC WTF | 55 | |
| rsinato | ECB Oracle | 60 | |
| Hanging_Tree | RSA Signatures | 25 | |
| Quine | Great Snakes | 3 | |
| davifelix | ECB Oracle | 60 | |
| Quine | Finding Flags | 2 | |
| meganeale | RSA Signatures | 25 | |
| shraddha_t | Finding Flags | 2 | |
| hayzer | Factoring | 15 | |
| TimLu | Base64 | 10 | |
| TimLu | Hex | 5 | |
| hvp1908 | XOR Properties | 15 | |
| quocnguyenpa | RSA Signatures | 25 | |
| personjs | Non-Interactive | 35 | |
| Ygx | Extended GCD | 20 | |
| Hanging_Tree | RSA Decryption | 20 | |
| hvp1908 | XOR Starter | 10 |
You are now level Current level