| Date | User | Challenge | Score |
| W0lf_19S | Modulus Inutilis | 50 | |
| TiaraCitraL | Confusion through Substitution | 25 | |
| nysfatimahna | Bringing It All Together | 50 | |
| ninjax11 | ASCII | 5 | |
| axolotl11 | Smooth Criminal | 60 | |
| spartan8806 | Bit by Bit | 100 | |
| richmoneybank479 | XOR Properties | 15 | |
| ninjax11 | Great Snakes | 3 | |
| ninjax11 | Finding Flags | 2 | |
| TiaraCitraL | Round Keys | 20 | |
| nysfatimahna | Diffusion through Permutation | 30 | |
| mochaowo | Gotta Go Fast | 40 | |
| pezdokril | XOR Properties | 15 | |
| nysfatimahna | Confusion through Substitution | 25 | |
| Shyamama | ASCII | 5 | |
| Beru | RSA Decryption | 20 | |
| TiaraCitraL | Structure of AES | 15 | |
| W0lf_19S | Salty | 20 | |
| Chore | Great Snakes | 3 | |
| Chore | Finding Flags | 2 | |
| nysfatimahna | Round Keys | 20 | |
| ho_ongvyy | Smooth Criminal | 60 | |
| TiaraCitraL | Resisting Bruteforce | 10 | |
| Mahariana | Bringing It All Together | 50 | |
| Mahariana | Resisting Bruteforce | 10 | |
| nysfatimahna | Structure of AES | 15 | |
| W0lf_19S | Manyprime | 40 | |
| Beru | Private Keys | 20 | |
| nysfatimahna | Resisting Bruteforce | 10 | |
| ys512 | Bringing It All Together | 50 | |
| Beru | Euler's Totient | 20 | |
| TiaraCitraL | Keyed Permutations | 5 | |
| Beru | Public Keys | 15 | |
| Beru | Modular Exponentiation | 10 | |
| W0lf_19S | Monoprime | 30 | |
| s_aoki | Base64 | 10 | |
| s_aoki | Hex | 5 | |
| ys512 | Diffusion through Permutation | 30 | |
| motebang_404 | Bytes and Big Integers | 10 | |
| W0lf_19S | Factoring | 15 | |
| ys512 | Confusion through Substitution | 25 | |
| sdigs | Hash Stuffing | 50 | |
| ys512 | Round Keys | 20 | |
| Realm | ASCII | 5 | |
| s_aoki | ASCII | 5 | |
| s_aoki | Great Snakes | 3 | |
| W0lf_19S | RSA Signatures | 25 | |
| s_aoki | Finding Flags | 2 | |
| ys512 | Structure of AES | 15 | |
| motebang_404 | Base64 | 10 |
You are now level Current level