| Date | User | Challenge | Score |
| z4ns | XOR Starter | 10 | |
| 23EC083 | Base64 | 10 | |
| minoway | Base64 | 10 | |
| ShreyaTrivedi | ASCII | 5 | |
| blackade | XOR Starter | 10 | |
| 23EC083 | Hex | 5 | |
| Layailers | RSA Decryption | 20 | |
| Layailers | Private Keys | 20 | |
| minoway | Hex | 5 | |
| Layailers | Euler's Totient | 20 | |
| blackade | Bytes and Big Integers | 10 | |
| Layailers | Public Keys | 15 | |
| z4ns | Bytes and Big Integers | 10 | |
| Layailers | Modular Exponentiation | 10 | |
| 23EC083 | ASCII | 5 | |
| ShreyaTrivedi | Great Snakes | 3 | |
| minoway | ASCII | 5 | |
| shurayz | Script Kiddie | 70 | |
| ShreyaTrivedi | Finding Flags | 2 | |
| z4ns | Base64 | 10 | |
| blackade | Base64 | 10 | |
| blackade | Hex | 5 | |
| 23EC083 | Great Snakes | 3 | |
| 23EC083 | Finding Flags | 2 | |
| Yousef_mo7sen | Modular Arithmetic 2 | 20 | |
| blackade | ASCII | 5 | |
| blackade | Great Snakes | 3 | |
| blackade | Finding Flags | 2 | |
| Cat87399 | Bytes and Big Integers | 10 | |
| Dr1o02 | Gotta Go Fast | 40 | |
| Dr1o02 | Signing Server | 60 | |
| Cat87399 | Base64 | 10 | |
| Cat87399 | Hex | 5 | |
| Cat87399 | ASCII | 5 | |
| sma11pi9 | Passwords as Keys | 50 | |
| wangfu | RSA Signatures | 25 | |
| nikaa | Confusion through Substitution | 25 | |
| RayTheDev | Finding Flags | 2 | |
| arp1t0x | Bytes and Big Integers | 10 | |
| airconditioner4 | Modular Arithmetic 2 | 20 | |
| nikaa | Round Keys | 20 | |
| airconditioner4 | Modular Arithmetic 1 | 20 | |
| nikaa | Structure of AES | 15 | |
| wangfu | RSA Decryption | 20 | |
| airconditioner4 | Greatest Common Divisor | 15 | |
| wangfu | Private Keys | 20 | |
| wangfu | Euler's Totient | 20 | |
| wangfu | Public Keys | 15 | |
| airconditioner4 | Lemur XOR | 40 | |
| sma11pi9 | Modes of Operation Starter | 15 |
You are now level Current level