| Date | User | Challenge | Score |
| aya_1 | Modular Square Root | 35 | |
| GiorgosMoraitis | Finding Flags | 2 | |
| Nurbek77 | ASCII | 5 | |
| Plugray | From Private to Public Key LWE | 25 | |
| bluediamonds | Greatest Common Divisor | 15 | |
| Plugray | LWE Low Bits Message | 20 | |
| Vinmeeni | Finding Flags | 2 | |
| Nurbek77 | Network Attacks | 5 | |
| Nurbek77 | Great Snakes | 3 | |
| Plugray | LWE High Bits Message | 15 | |
| Nurbek77 | Finding Flags | 2 | |
| michkied | Mixed Up | 120 | |
| tamarass | ECB CBC WTF | 55 | |
| xaos333 | Extended GCD | 20 | |
| aya_1 | Legendre Symbol | 35 | |
| AuroNox29 | ASCII | 5 | |
| Nerezolvat | Network Attacks | 5 | |
| Dan1e1B | Quadratic Residues | 25 | |
| vasilikichar | Extended GCD | 20 | |
| michkied | MD0 | 80 | |
| brainr00t | Legendre Symbol | 35 | |
| goosbo | Armory | 100 | |
| Seventt | Stream of Consciousness | 80 | |
| Mansyr1337 | Modular Inverting | 25 | |
| Omniwhale | Network Attacks | 5 | |
| bncybz | XOR Starter | 10 | |
| rorkh | Great Snakes | 3 | |
| rorkh | Finding Flags | 2 | |
| Mansyr1337 | Modular Arithmetic 2 | 20 | |
| ipe22 | You either know, XOR you don't | 30 | |
| Mansyr1337 | Modular Arithmetic 1 | 20 | |
| Mansyr1337 | Extended GCD | 20 | |
| ja6ad | Bytes and Big Integers | 10 | |
| Mansyr1337 | Greatest Common Divisor | 15 | |
| Mansyr1337 | Lemur XOR | 40 | |
| nk0 | Oracular Spectacular | 150 | |
| 8l4nk | Fischlin Transform | 180 | |
| 8l4nk | Fischlin's Transformation (CryptoHack) | 0 | |
| cahidenes | WOTS Up 2 | 90 | |
| Elliot_Anderson | You either know, XOR you don't | 30 | |
| tamarass | Modular Inverting | 25 | |
| Omniwhale | Great Snakes | 3 | |
| ipe22 | Favourite byte | 20 | |
| michkied | PriMeD5 | 100 | |
| rama2130 | Computing Shared Secrets | 30 | |
| Omniwhale | Finding Flags | 2 | |
| Mansyr1337 | You either know, XOR you don't | 30 | |
| ipe22 | XOR Properties | 15 | |
| Mansyr1337 | Encoding Challenge | 40 | |
| AuroNox29 | Great Snakes | 3 |
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