| Date | User | Challenge | Score |
| nous | Noise Cheap | 90 | |
| Angry_Cat | Adrien's Signs | 80 | |
| spartan8806 | Static Client 2 | 120 | |
| Tactical_Nerd | Background Reading | 5 | |
| JhonFarel | Base64 | 10 | |
| JhonFarel | Hex | 5 | |
| kamilsan | Additive | 70 | |
| JhonFarel | ASCII | 5 | |
| hakka52 | Nativity | 60 | |
| Aptenodyte | You either know, XOR you don't | 30 | |
| Aptenodyte | Favourite byte | 20 | |
| Aptenodyte | XOR Properties | 15 | |
| kamilsan | Signing Server | 60 | |
| r2tr1ever | Find the Lattice | 100 | |
| dwpnt | ASCII | 5 | |
| dwpnt | Great Snakes | 3 | |
| skipped | Export-grade | 100 | |
| dwpnt | Finding Flags | 2 | |
| kamilsan | Flipping Cookie | 60 | |
| skipped | Parameter Injection | 60 | |
| jayvee13 | XOR Properties | 15 | |
| kamilsan | Gotta Go Fast | 40 | |
| skipped | Manyprime | 40 | |
| Aptenodyte | XOR Starter | 10 | |
| Aptenodyte | Bytes and Big Integers | 10 | |
| livanara446 | Finding Flags | 2 | |
| spartan8806 | Smooth Criminal | 60 | |
| Esmeralda131 | Finding Flags | 2 | |
| irrisolto | Bytes and Big Integers | 10 | |
| irrisolto | Base64 | 10 | |
| irrisolto | Hex | 5 | |
| irrisolto | ASCII | 5 | |
| irrisolto | Great Snakes | 3 | |
| irrisolto | Finding Flags | 2 | |
| singe2lespace | Hex | 5 | |
| MisterD | ASCII | 5 | |
| Lina1234 | Hex | 5 | |
| Lina1234 | ASCII | 5 | |
| lololololokol | RSA Decryption | 20 | |
| SayedaT | ASCII | 5 | |
| Lina1234 | Great Snakes | 3 | |
| IronmanPhantom | Chinese Remainder Theorem | 40 | |
| gamesatosi | Base64 | 10 | |
| gamesatosi | Hex | 5 | |
| gamesatosi | ASCII | 5 | |
| IronmanPhantom | Modular Square Root | 35 | |
| gamesatosi | Network Attacks | 5 | |
| IronmanPhantom | Legendre Symbol | 35 | |
| gamesatosi | Great Snakes | 3 | |
| ZER0__0 | Quadratic Residues | 25 |
You are now level Current level