| Date | User | Challenge | Score |
| Dragonheart516 | XOR Properties | 15 | |
| Dragonheart516 | XOR Starter | 10 | |
| Eimer | Hex | 5 | |
| elassy | Hex | 5 | |
| azaelluna | Bytes and Big Integers | 10 | |
| MuhaiminHasanein | Network Attacks | 5 | |
| MuhaiminHasanein | Bean Counter | 60 | |
| elassy | ASCII | 5 | |
| MuhaiminHasanein | Symmetry | 50 | |
| cryp_slay | ASCII | 5 | |
| Dragonheart516 | Bytes and Big Integers | 10 | |
| MuhaiminHasanein | Flipping Cookie | 60 | |
| hitagi | Base64 | 10 | |
| MuhaiminHasanein | ECB CBC WTF | 55 | |
| xiaodi | Hex | 5 | |
| Vaitheeswaran200 | Salty | 20 | |
| Vaitheeswaran200 | Manyprime | 40 | |
| Vaitheeswaran200 | Monoprime | 30 | |
| Vaitheeswaran200 | Factoring | 15 | |
| Vaitheeswaran200 | RSA Signatures | 25 | |
| elassy | Great Snakes | 3 | |
| Vaitheeswaran200 | RSA Decryption | 20 | |
| MuhaiminHasanein | ECB Oracle | 60 | |
| Vaitheeswaran200 | Private Keys | 20 | |
| Vaitheeswaran200 | Euler's Totient | 20 | |
| Vaitheeswaran200 | Public Keys | 15 | |
| Vaitheeswaran200 | Modular Exponentiation | 10 | |
| elassy | Finding Flags | 2 | |
| OscarAlveo | Encoding Challenge | 40 | |
| jimun | Network Attacks | 5 | |
| azaelluna | Base64 | 10 | |
| hitagi | Hex | 5 | |
| OscarAlveo | Bytes and Big Integers | 10 | |
| hitagi | ASCII | 5 | |
| leahcwn97 | Encoding Challenge | 40 | |
| Mukeshburdak | Modular Binomials | 80 | |
| leahcwn97 | Bytes and Big Integers | 10 | |
| Chtupv_22 | Keyed Permutations | 5 | |
| cryptoanon | Factoring | 15 | |
| nach_krrps | Finding Flags | 2 | |
| leahcwn97 | Base64 | 10 | |
| leahcwn97 | Hex | 5 | |
| Eimer | Bytes and Big Integers | 10 | |
| leahcwn97 | ASCII | 5 | |
| Eimer | Base64 | 10 | |
| Mukeshburdak | Adrien's Signs | 80 | |
| OnlyJayden | Modular Arithmetic 2 | 20 | |
| Dragonheart516 | Base64 | 10 | |
| azaelluna | Hex | 5 | |
| OnlyJayden | Greatest Common Divisor | 15 |
You are now level Current level