| Date | User | Challenge | Score |
| namaorantauga | Extended GCD | 20 | |
| pracker | Great Snakes | 3 | |
| amritanshu25 | Modular Arithmetic 2 | 20 | |
| pracker | Finding Flags | 2 | |
| pemula1 | Extended GCD | 20 | |
| Dutchplayer | Finding Flags | 2 | |
| sushi | Finding Flags | 2 | |
| maousi | Gaussian Reduction | 50 | |
| julian_kowalski | Modular Arithmetic 1 | 20 | |
| amoelle | Favourite byte | 20 | |
| alchemist7 | Private Keys | 20 | |
| fjukh7872 | Curveball | 100 | |
| Andreea_hn | Greatest Common Divisor | 15 | |
| YYMMX | Modular Square Root | 35 | |
| THD | XOR Starter | 10 | |
| jwj | Manyprime | 40 | |
| harb1ng3r | You either know, XOR you don't | 30 | |
| amritanshu25 | Modular Arithmetic 1 | 20 | |
| Pepsi | XOR Starter | 10 | |
| THD | Bytes and Big Integers | 10 | |
| Andreea_hn | Bytes and Big Integers | 10 | |
| Andreea_hn | Base64 | 10 | |
| THD | Base64 | 10 | |
| THD | Hex | 5 | |
| fjukh7872 | Digestive | 60 | |
| Rextorne | MD0 | 80 | |
| YYMMX | Legendre Symbol | 35 | |
| julian_kowalski | Extended GCD | 20 | |
| durga24 | Favourite byte | 20 | |
| Andreea_hn | Hex | 5 | |
| amritanshu25 | Extended GCD | 20 | |
| amoelle | XOR Properties | 15 | |
| G1itch7 | Extended GCD | 20 | |
| ZekkelAR | You either know, XOR you don't | 30 | |
| merl1n | XOR Starter | 10 | |
| Andreea_hn | ASCII | 5 | |
| maousi | What's a Lattice? | 40 | |
| amoelle | XOR Starter | 10 | |
| maxinpotato | Base64 | 10 | |
| pemula1 | Greatest Common Divisor | 15 | |
| maxinpotato | Hex | 5 | |
| julian_kowalski | Greatest Common Divisor | 15 | |
| durga24 | XOR Properties | 15 | |
| amritanshu25 | Greatest Common Divisor | 15 | |
| Andreea_hn | Great Snakes | 3 | |
| maousi | Gram Schmidt | 30 | |
| Andreea_hn | Finding Flags | 2 | |
| lauraprandina | Hex | 5 | |
| WhiteEyes | Base64 | 10 | |
| DarthJewel | Bytes and Big Integers | 10 |
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