| Date | User | Challenge | Score |
| vladvasii | Private Keys | 20 | |
| alnyan | Modular Binomials | 80 | |
| lavi24 | Sharks on the Wire | 10 | |
| Spockz | Quadratic Residues | 25 | |
| vladvasii | Public Keys | 15 | |
| alright | Modular Square Root | 35 | |
| tempest7716 | Point Addition | 30 | |
| kumarabhinav_21 | Hex | 5 | |
| adriia0 | XOR Properties | 15 | |
| SomeBODY1145 | Base64 | 10 | |
| faster | Favourite byte | 20 | |
| lavi24 | RSA or HMAC? | 35 | |
| Eliott | Symmetry | 50 | |
| SomeBODY1145 | Hex | 5 | |
| xaav | Oracular Spectacular | 150 | |
| Spockz | Euler's Totient | 20 | |
| alnyan | Adrien's Signs | 80 | |
| uglybarnacle | XOR Starter | 10 | |
| Spockz | Public Keys | 15 | |
| Spockz | Modular Exponentiation | 10 | |
| lavi24 | No Way JOSE | 20 | |
| AlxGonin | RSA Signatures | 25 | |
| TheRip | Finding Flags | 2 | |
| israa | ASCII | 5 | |
| Toufik2004 | Bytes and Big Integers | 10 | |
| m4rked | ECB CBC WTF | 55 | |
| kumarabhinav_21 | ASCII | 5 | |
| alnyan | Chinese Remainder Theorem | 40 | |
| SomeBODY1145 | ASCII | 5 | |
| Lni416 | XOR Starter | 10 | |
| m4rked | Passwords as Keys | 50 | |
| MedAmine | You either know, XOR you don't | 30 | |
| Lni416 | Bytes and Big Integers | 10 | |
| Hasten165 | XOR Properties | 15 | |
| AlxGonin | RSA Decryption | 20 | |
| uglybarnacle | Bytes and Big Integers | 10 | |
| zoulfee | Modular Inverting | 25 | |
| doua | Private Keys | 20 | |
| zoulfee | Modular Arithmetic 2 | 20 | |
| GrimScythe2001 | Paper Plane | 120 | |
| Sivadharshini17 | Great Snakes | 3 | |
| kumarabhinav_21 | Great Snakes | 3 | |
| zoulfee | Modular Arithmetic 1 | 20 | |
| kumarabhinav_21 | Finding Flags | 2 | |
| Sivadharshini17 | Finding Flags | 2 | |
| ali_tech | Pad Thai | 80 | |
| alnyan | Modular Square Root | 35 | |
| Toufik2004 | Base64 | 10 | |
| Quoc130370 | Endless Emails | 150 | |
| Eliott | Lemur XOR | 40 |
You are now level Current level