| Date | User | Challenge | Score |
| akramkamal1221 | Stream of Consciousness | 80 | |
| akramkamal1221 | Logon Zero | 80 | |
| akramkamal1221 | CTRIME | 70 | |
| akramkamal1221 | Bean Counter | 60 | |
| akramkamal1221 | Symmetry | 50 | |
| yomama6767 | Great Snakes | 3 | |
| Nasirisio | Working with Fields | 10 | |
| yomama6767 | Finding Flags | 2 | |
| akramkamal1221 | Flipping Cookie | 60 | |
| akramkamal1221 | Lazy CBC | 60 | |
| akramkamal1221 | Triple DES | 60 | |
| Nsamm | Hex | 5 | |
| DarkAngel23691 | Finding Flags | 2 | |
| akramkamal1221 | ECB Oracle | 60 | |
| akramkamal1221 | ECB CBC WTF | 55 | |
| akramkamal1221 | Passwords as Keys | 50 | |
| akramkamal1221 | Modes of Operation Starter | 15 | |
| akramkamal1221 | Bringing It All Together | 50 | |
| akramkamal1221 | Diffusion through Permutation | 30 | |
| akramkamal1221 | Confusion through Substitution | 25 | |
| akramkamal1221 | Round Keys | 20 | |
| akramkamal1221 | Structure of AES | 15 | |
| akramkamal1221 | Resisting Bruteforce | 10 | |
| akramkamal1221 | Keyed Permutations | 5 | |
| helmifauzi | ASCII | 5 | |
| akramkamal1221 | Network Attacks | 5 | |
| akramkamal1221 | Great Snakes | 3 | |
| akramkamal1221 | Finding Flags | 2 | |
| Xelder | You either know, XOR you don't | 30 | |
| UrLastWish | Point Negation | 10 | |
| hammerbro4567 | Bean Counter | 60 | |
| helmifauzi | Great Snakes | 3 | |
| helmifauzi | Finding Flags | 2 | |
| ris_siuol | Finding Flags | 2 | |
| Xelder | Favourite byte | 20 | |
| Podliq | Extended GCD | 20 | |
| Xelder | XOR Properties | 15 | |
| inv | No Random, No Bias | 120 | |
| CARLO_HTW | Legendre Symbol | 35 | |
| Xelder | XOR Starter | 10 | |
| salmansayad78_7 | Script Kiddie | 70 | |
| ElianMenchaca | Bytes and Big Integers | 10 | |
| salmansayad78_7 | Additive | 70 | |
| salmansayad78_7 | Static Client | 100 | |
| UrLastWish | Background Reading | 5 | |
| blueHead | Hex | 5 | |
| Corisc0_ | Modular Inverting | 25 | |
| Comsec | Keyed Permutations | 5 | |
| Ajlan | Beatboxer | 150 | |
| Ajlan | Forbidden Fruit | 150 |
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