| Date | User | Challenge | Score |
| MousaSAIF | Endless Emails | 150 | |
| YoucefAm29 | Base64 | 10 | |
| ___K___ | XOR Properties | 15 | |
| MousaSAIF | Everything is Still Big | 100 | |
| MousaSAIF | Crossed Wires | 100 | |
| MousaSAIF | Everything is Big | 70 | |
| MousaSAIF | Modulus Inutilis | 50 | |
| laneuhh | Base64 | 10 | |
| MousaSAIF | Salty | 20 | |
| MousaSAIF | Manyprime | 40 | |
| MousaSAIF | Square Eyes | 35 | |
| MousaSAIF | Monoprime | 30 | |
| MousaSAIF | Inferius Prime | 30 | |
| MousaSAIF | Factoring | 15 | |
| MousaSAIF | RSA Signatures | 25 | |
| MousaSAIF | RSA Decryption | 20 | |
| hopefulhacker | Finding Flags | 2 | |
| MousaSAIF | Private Keys | 20 | |
| MousaSAIF | Euler's Totient | 20 | |
| MousaSAIF | Public Keys | 15 | |
| MousaSAIF | Modular Exponentiation | 10 | |
| YoucefAm29 | Hex | 5 | |
| MousaSAIF | Beatboxer | 150 | |
| MousaSAIF | Forbidden Fruit | 150 | |
| Banay | Base64 | 10 | |
| CodeFlea | XOR Starter | 10 | |
| MousaSAIF | Paper Plane | 120 | |
| stonepusher | Greatest Common Divisor | 15 | |
| banjoleb | XOR Starter | 10 | |
| MousaSAIF | The Good, The Pad, The Ugly | 100 | |
| MousaSAIF | Pad Thai | 80 | |
| MousaSAIF | Oh SNAP | 120 | |
| bl4ck_3rot1c4 | Greatest Common Divisor | 15 | |
| MousaSAIF | Dancing Queen | 120 | |
| MousaSAIF | Stream of Consciousness | 80 | |
| MousaSAIF | Logon Zero | 80 | |
| laneuhh | Hex | 5 | |
| MousaSAIF | CTRIME | 70 | |
| MousaSAIF | Bean Counter | 60 | |
| MousaSAIF | Symmetry | 50 | |
| MousaSAIF | Triple DES | 60 | |
| mudil | You either know, XOR you don't | 30 | |
| Overcrewt | You either know, XOR you don't | 30 | |
| MousaSAIF | Lazy CBC | 60 | |
| MousaSAIF | Flipping Cookie | 60 | |
| SF | Base64 | 10 | |
| MousaSAIF | ECB Oracle | 60 | |
| MousaSAIF | ECB CBC WTF | 55 | |
| anon40 | Hex | 5 | |
| Banay | Hex | 5 |
You are now level Current level