| Date | User | Challenge | Score |
| anushar777 | Modular Binomials | 80 | |
| falconejulian | Prime Power Isogenies | 50 | |
| falconejulian | Composite Isogenies | 60 | |
| PurviB | RSA Decryption | 20 | |
| PurviB | Private Keys | 20 | |
| PurviB | Euler's Totient | 20 | |
| iphqntom | MD0 | 80 | |
| PurviB | Public Keys | 15 | |
| AlKafr | Public Keys | 15 | |
| JAx_67_52_69 | ASCII | 5 | |
| PurviB | Modular Exponentiation | 10 | |
| anushar777 | Adrien's Signs | 80 | |
| JAx_67_52_69 | Great Snakes | 3 | |
| anushar777 | Chinese Remainder Theorem | 40 | |
| anushar777 | Modular Square Root | 35 | |
| PurviB | Modular Binomials | 80 | |
| anushar777 | Legendre Symbol | 35 | |
| michaelS | Base64 | 10 | |
| GingerCarrot | Lo-Hi Card Game | 120 | |
| anushar777 | Quadratic Residues | 25 | |
| AlKafr | Modular Exponentiation | 10 | |
| mholmes24 | Secret Exponents | 60 | |
| anushar777 | Modular Inverting | 25 | |
| anushar777 | Modular Arithmetic 2 | 20 | |
| anushar777 | Modular Arithmetic 1 | 20 | |
| michaelS | Hex | 5 | |
| anushar777 | Extended GCD | 20 | |
| anushar777 | Greatest Common Divisor | 15 | |
| michaelS | ASCII | 5 | |
| KIMHT | Finding Flags | 2 | |
| JAx_67_52_69 | Finding Flags | 2 | |
| michaelS | Great Snakes | 3 | |
| PurviB | Adrien's Signs | 80 | |
| usertest | You either know, XOR you don't | 30 | |
| shanjun | You either know, XOR you don't | 30 | |
| anushar777 | You either know, XOR you don't | 30 | |
| anushar777 | Favourite byte | 20 | |
| anushar777 | XOR Properties | 15 | |
| anushar777 | XOR Starter | 10 | |
| shurayz | Edwards Goes Degenerate | 100 | |
| anushar777 | Bytes and Big Integers | 10 | |
| Bellamarshyy | Finding Flags | 2 | |
| michaelS | Finding Flags | 2 | |
| zjcms1988 | Favourite byte | 20 | |
| shanjun | Favourite byte | 20 | |
| usertest | Favourite byte | 20 | |
| 15840440483 | Favourite byte | 20 | |
| anushar777 | Base64 | 10 | |
| usertest | XOR Properties | 15 | |
| zjcms1988 | XOR Properties | 15 |
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