| Date | User | Challenge | Score |
| Maskdarkcreepy | Successive Powers | 60 | |
| Loivan | Curveball | 100 | |
| AmirEfendi | Modular Square Root | 35 | |
| kzzm | MDFlag | 125 | |
| gofmank | Salty | 20 | |
| EDsonne | You either know, XOR you don't | 30 | |
| anbarbon | Encoding Challenge | 40 | |
| BrianTran | Favourite byte | 20 | |
| djdd | Modular Inverting | 25 | |
| gofmank | Gaussian Reduction | 50 | |
| Yoshi135 | Base64 | 10 | |
| djdd | Modular Arithmetic 2 | 20 | |
| lapa | RSA Signatures | 25 | |
| cafecafe | ECB Oracle | 60 | |
| BrianTran | XOR Properties | 15 | |
| lucky123 | Jack's Birthday Hash | 20 | |
| CF | Quadratic Residues | 25 | |
| gofmank | Curveball | 100 | |
| ladyhawke | ASCII | 5 | |
| Caraxes | Modular Inverting | 25 | |
| EDsonne | Favourite byte | 20 | |
| Shakthiman | No Way Back Home | 100 | |
| Aashi | Chinese Remainder Theorem | 40 | |
| Caraxes | Modular Arithmetic 2 | 20 | |
| ChottaBheem26 | Modular Inverting | 25 | |
| ChottaBheem26 | Modular Arithmetic 2 | 20 | |
| ChottaBheem26 | Modular Arithmetic 1 | 20 | |
| Aashi | Modular Square Root | 35 | |
| Caraxes | Modular Arithmetic 1 | 20 | |
| ChottaBheem26 | Extended GCD | 20 | |
| nightowl472 | Generators of Groups | 20 | |
| Shakthiman | Chinese Remainder Theorem | 40 | |
| Caraxes | Extended GCD | 20 | |
| ChottaBheem26 | Greatest Common Divisor | 15 | |
| nightowl472 | Working with Fields | 10 | |
| Shakthiman | Modular Square Root | 35 | |
| ladyhawke | Great Snakes | 3 | |
| Eren001Yeager | Successive Powers | 60 | |
| shokilala | Adrien's Signs | 80 | |
| Aashi | Legendre Symbol | 35 | |
| ChottaBheem26 | Lemur XOR | 40 | |
| nightowl472 | Resisting Bruteforce | 10 | |
| ChottaBheem26 | You either know, XOR you don't | 30 | |
| nightowl472 | Keyed Permutations | 5 | |
| ChottaBheem26 | Favourite byte | 20 | |
| Eren001Yeager | Chinese Remainder Theorem | 40 | |
| Shakthiman | Legendre Symbol | 35 | |
| nightowl472 | Jack's Birthday Confusion | 30 | |
| Caraxes | Greatest Common Divisor | 15 | |
| BrianTran | XOR Starter | 10 |
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