| Date | User | Challenge | Score |
| kxc93 | ASCII | 5 | |
| gradster20 | Hex | 5 | |
| cairi | Monoprime | 30 | |
| Lauromar | Great Snakes | 3 | |
| gradster20 | ASCII | 5 | |
| katedawagan | You either know, XOR you don't | 30 | |
| cairi | Inferius Prime | 30 | |
| pibble | Finding Flags | 2 | |
| gradster20 | Great Snakes | 3 | |
| cairi | Factoring | 15 | |
| gradster20 | Finding Flags | 2 | |
| kxc93 | Great Snakes | 3 | |
| lcalvie | Broken RSA | 100 | |
| kxc93 | Finding Flags | 2 | |
| katedawagan | Favourite byte | 20 | |
| moystee | Network Attacks | 5 | |
| cairi | Square Eyes | 35 | |
| Lauromar | Finding Flags | 2 | |
| katedawagan | XOR Properties | 15 | |
| yasminepearl | Finding Flags | 2 | |
| TooLazy | You either know, XOR you don't | 30 | |
| ayemstilindur | ASCII | 5 | |
| vic1208 | MD0 | 80 | |
| katedawagan | Base64 | 10 | |
| trannhat | ZKP Introduction | 5 | |
| ayemstilindur | Great Snakes | 3 | |
| sagedmkh | Great Snakes | 3 | |
| sagedmkh | Finding Flags | 2 | |
| TooLazy | Favourite byte | 20 | |
| vic1208 | Passwords as Keys | 50 | |
| playteddypicker | A Twisted Mind | 80 | |
| TooLazy | XOR Properties | 15 | |
| nullex | Passwords as Keys | 50 | |
| TooLazy | XOR Starter | 10 | |
| spartan8806 | Point Addition | 30 | |
| spartan8806 | Point Negation | 10 | |
| spartan8806 | Background Reading | 5 | |
| spartan8806 | Do you have good eyes? (Breizh CTF) | 0 | |
| dmont24 | Bytes and Big Integers | 10 | |
| dmont24 | Base64 | 10 | |
| elbasel | XOR Starter | 10 | |
| actualdragonfly | Favourite byte | 20 | |
| Qu1n7as | ECB Oracle | 60 | |
| elbasel | Bytes and Big Integers | 10 | |
| reutoelboum | Hex | 5 | |
| Tabbang | Hex | 5 | |
| moystee | ASCII | 5 | |
| elbasel | Base64 | 10 | |
| Tabbang | ASCII | 5 | |
| nullex | Modes of Operation Starter | 15 |
You are now level Current level