| Date | User | Challenge | Score |
| Stankpoo | Bytes and Big Integers | 10 | |
| Stankpoo | Base64 | 10 | |
| Stankpoo | Hex | 5 | |
| doneyit413 | The Good, The Pad, The Ugly | 100 | |
| 15Haldir | Curveball | 100 | |
| Stankpoo | ASCII | 5 | |
| Jamoran | Export-grade | 100 | |
| stellev | Greatest Common Divisor | 15 | |
| ThiThibz | Adrien's Signs | 80 | |
| ShadetheAvali | Hex | 5 | |
| Stankpoo | Great Snakes | 3 | |
| Rezebombdevil | Encoding Challenge | 40 | |
| Stankpoo | Finding Flags | 2 | |
| salm0065 | Adrien's Signs | 80 | |
| ShadetheAvali | ASCII | 5 | |
| boy | Finding Flags | 2 | |
| WhiteNightSinner | Flipping Cookie | 60 | |
| ShadetheAvali | Network Attacks | 5 | |
| ThiThibz | Chinese Remainder Theorem | 40 | |
| Jamoran | Parameter Injection | 60 | |
| Dominiminik | Endless Emails | 150 | |
| ShadetheAvali | Great Snakes | 3 | |
| aleksandra471 | Noise Free | 40 | |
| ShadetheAvali | Finding Flags | 2 | |
| MutedSparrow | Base64 | 10 | |
| Nurgleplex | Confusion through Substitution | 25 | |
| AAlessandro | Bounded Noise | 50 | |
| khalid_salad | Triple DES | 60 | |
| EmilioBoldo | You either know, XOR you don't | 30 | |
| WhiteNightSinner | Lazy CBC | 60 | |
| OaksAd | Noise Free | 40 | |
| RainCloud123 | Base64 | 10 | |
| EmilioBoldo | Favourite byte | 20 | |
| ThiThibz | Modular Square Root | 35 | |
| abdalla_ib | Great Snakes | 3 | |
| abdalla_ib | Finding Flags | 2 | |
| EmilioBoldo | XOR Properties | 15 | |
| JuanPabloNunez | You either know, XOR you don't | 30 | |
| kostpergan | Private Keys | 20 | |
| ThiThibz | Legendre Symbol | 35 | |
| CarlaCarbonell | You either know, XOR you don't | 30 | |
| salm0065 | Chinese Remainder Theorem | 40 | |
| JuanPabloNunez | Favourite byte | 20 | |
| AAlessandro | Noise Free | 40 | |
| majs | Bean Counter | 60 | |
| JuanPabloNunez | XOR Properties | 15 | |
| zer0net | RSA Signatures | 25 | |
| CarlaCarbonell | Favourite byte | 20 | |
| Jex68 | Token Appreciation | 5 | |
| EmilioBoldo | XOR Starter | 10 |
You are now level Current level