| Date | User | Challenge | Score |
| nguyenmaihuyphat | Lemur XOR | 40 | |
| raymond53 | The Matrix Revolutions | 125 | |
| raymond53 | The Matrix Reloaded | 100 | |
| raymond53 | The Matrix | 75 | |
| raymond53 | Script Kiddie | 70 | |
| raymond53 | Static Client 2 | 120 | |
| raymond53 | Additive | 70 | |
| raymond53 | Static Client | 100 | |
| nguyenmaihuyphat | Network Attacks | 5 | |
| dylan_j4d3 | Finding Flags | 2 | |
| seallyaemy | Bytes and Big Integers | 10 | |
| Mukeshburdak | Working with Fields | 10 | |
| Mukeshburdak | Factoring | 15 | |
| raymond53 | CTRIME | 70 | |
| gufan | Modular Binomials | 80 | |
| hakujipavel | Finding Flags | 2 | |
| Yzj | Finding Flags | 2 | |
| raymond53 | Beatboxer | 150 | |
| raymond53 | Forbidden Fruit | 150 | |
| raymond53 | Paper Plane | 120 | |
| seallyaemy | Base64 | 10 | |
| raymond53 | Triple DES | 60 | |
| jimmydagreek4592 | Great Snakes | 3 | |
| raymond53 | The Good, The Pad, The Ugly | 100 | |
| raymond53 | Pad Thai | 80 | |
| seallyaemy | Hex | 5 | |
| seallyaemy | ASCII | 5 | |
| raymond53 | Lazy CBC | 60 | |
| yona_txt | Favourite byte | 20 | |
| Lamond259 | Finding Flags | 2 | |
| Realityfirst | You either know, XOR you don't | 30 | |
| seallyaemy | Great Snakes | 3 | |
| midiguanmu | Hex | 5 | |
| seallyaemy | Finding Flags | 2 | |
| raymond53 | Bean Counter | 60 | |
| Yicarmueer | You either know, XOR you don't | 30 | |
| raymond53 | Symmetry | 50 | |
| phonix0123456789 | Hex | 5 | |
| Car0l | Finding Flags | 2 | |
| jimmydagreek4592 | Finding Flags | 2 | |
| raymond53 | Flipping Cookie | 60 | |
| raymond53 | ECB CBC WTF | 55 | |
| zadanir86 | Base64 | 10 | |
| kzzm | LWE High Bits Message | 15 | |
| gufan | Adrien's Signs | 80 | |
| raymond53 | ECB Oracle | 60 | |
| phonix0123456789 | ASCII | 5 | |
| zadanir86 | Hex | 5 | |
| phonix0123456789 | Network Attacks | 5 | |
| G3lol_06 | Keyed Permutations | 5 |
You are now level Current level