| Date | User | Challenge | Score |
| colt_the_sloth | No Way JOSE | 20 | |
| Nada34 | Hex | 5 | |
| ggerod | ASCII | 5 | |
| ggerod | Network Attacks | 5 | |
| Nada34 | ASCII | 5 | |
| TREN | Greatest Common Divisor | 15 | |
| ugello | Base64 | 10 | |
| shprota | Adrien's Signs | 80 | |
| Nada34 | Great Snakes | 3 | |
| TaiPoole | Hex | 5 | |
| TaiPoole | ASCII | 5 | |
| TaiPoole | Great Snakes | 3 | |
| nadavk100 | Dancing Queen | 120 | |
| TREN | You either know, XOR you don't | 30 | |
| AESpider | Trust Games | 150 | |
| colt_the_sloth | Network Attacks | 5 | |
| juulke100 | XOR Starter | 10 | |
| ugello | Hex | 5 | |
| h1n4t4 | Modes of Operation Starter | 15 | |
| mrbloopbloop | Export-grade | 100 | |
| L64 | LFSR Destroyer | 250 | |
| ugello | ASCII | 5 | |
| Gandorf | Base64 | 10 | |
| ugello | Great Snakes | 3 | |
| Gandorf | Hex | 5 | |
| Gandorf | ASCII | 5 | |
| Gandorf | Great Snakes | 3 | |
| Gandorf | Finding Flags | 2 | |
| colt_the_sloth | JWT Secrets | 25 | |
| juulke100 | Bytes and Big Integers | 10 | |
| Vinjr | Oracular Spectacular | 150 | |
| TREN | Favourite byte | 20 | |
| ugello | Finding Flags | 2 | |
| seydina | Hex | 5 | |
| TREN | XOR Properties | 15 | |
| seydina | ASCII | 5 | |
| seydina | Great Snakes | 3 | |
| seydina | Finding Flags | 2 | |
| LashaG | Scalar Multiplication | 35 | |
| Cupi | Base64 | 10 | |
| colt_the_sloth | JWT Sessions | 10 | |
| vic1208 | PriMeD5 | 100 | |
| Cupi | Hex | 5 | |
| TREN | XOR Starter | 10 | |
| Cupi | ASCII | 5 | |
| juulke100 | Base64 | 10 | |
| juulke100 | Hex | 5 | |
| juulke100 | ASCII | 5 | |
| juulke100 | Great Snakes | 3 | |
| juulke100 | Finding Flags | 2 |
You are now level Current level