| Date | User | Challenge | Score |
| hata | Modulus Inutilis | 50 | |
| Ali2911 | Great Snakes | 3 | |
| hata | Salty | 20 | |
| Amro_Hussein | Parameter Injection | 60 | |
| AmirEfendi | Modular Inverting | 25 | |
| Ali2911 | Finding Flags | 2 | |
| yaki3355 | Base64 | 10 | |
| BasharAhmed | Parameter Injection | 60 | |
| noTun4 | Modular Inverting | 25 | |
| hata | Square Eyes | 35 | |
| AboEl5yr | Modular Exponentiation | 10 | |
| gofmank | Round Keys | 20 | |
| noTun4 | Modular Arithmetic 2 | 20 | |
| hata | Monoprime | 30 | |
| yaki3355 | Hex | 5 | |
| yaki3355 | ASCII | 5 | |
| noTun4 | Modular Arithmetic 1 | 20 | |
| hata | Inferius Prime | 30 | |
| duckyCrypt | Flipping Cookie | 60 | |
| madelino | Lazy CBC | 60 | |
| Kanad3 | Noise Free | 40 | |
| Hackerlund | Hex | 5 | |
| zyx_z | You either know, XOR you don't | 30 | |
| Hackerlund | ASCII | 5 | |
| kurumi_11 | Deriving Symmetric Keys | 40 | |
| syncrain | Lemur XOR | 40 | |
| BasharAhmed | Deriving Symmetric Keys | 40 | |
| yaki3355 | Great Snakes | 3 | |
| noTun4 | Extended GCD | 20 | |
| jscornelius | Bean Counter | 60 | |
| chiwakii | Favourite byte | 20 | |
| yaki3355 | Finding Flags | 2 | |
| NicoNieners | Extended GCD | 20 | |
| syncrain | Modular Arithmetic 1 | 20 | |
| kurumi_11 | Computing Shared Secrets | 30 | |
| zyx_z | Favourite byte | 20 | |
| AboEl5yr | Bringing It All Together | 50 | |
| BasharAhmed | Computing Shared Secrets | 30 | |
| crypto_07 | You either know, XOR you don't | 30 | |
| d1nhdwc | ECB CBC WTF | 55 | |
| Zcyberverse | Resisting Bruteforce | 10 | |
| syncrain | Extended GCD | 20 | |
| BasharAhmed | Computing Public Values | 25 | |
| syncrain | Greatest Common Divisor | 15 | |
| mfay1999 | Network Attacks | 5 | |
| byxlopoqpul | Bringing It All Together | 50 | |
| NotOfficial16 | Encoding Challenge | 40 | |
| AboEl5yr | Diffusion through Permutation | 30 | |
| zyx_z | XOR Properties | 15 | |
| Auronex | Favourite byte | 20 |
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