| Date | User | Challenge | Score |
| Showkara | Checkpoint | 150 | |
| ByVoidd | Great Snakes | 3 | |
| Trickst3r | Finding Flags | 2 | |
| Aryaethn | Rhetorical Oracle 2 | 150 | |
| Abylaihan | You either know, XOR you don't | 30 | |
| Abylaihan | Favourite byte | 20 | |
| Abylaihan | XOR Properties | 15 | |
| Romyna | Bad Temper 2 | 150 | |
| Abylaihan | XOR Starter | 10 | |
| Medel | Finding Flags | 2 | |
| mmihov | Point Negation | 10 | |
| NoBirdWasHam | Too Honest | 50 | |
| Abylaihan | Bytes and Big Integers | 10 | |
| Abylaihan | Base64 | 10 | |
| mmihov | Background Reading | 5 | |
| elazdi_al | Monoprime | 30 | |
| Abylaihan | Hex | 5 | |
| ByVoidd | Finding Flags | 2 | |
| acorrege | RSA Decryption | 20 | |
| elazdi_al | Inferius Prime | 30 | |
| acorrege | Private Keys | 20 | |
| Abylaihan | ASCII | 5 | |
| JACKURUVI99 | Lemur XOR | 40 | |
| Abylaihan | Finding Flags | 2 | |
| Romyna | Bad Temper | 130 | |
| Abylaihan | Great Snakes | 3 | |
| Abstract | Point Addition | 30 | |
| Nimov | Greatest Common Divisor | 15 | |
| acorrege | Euler's Totient | 20 | |
| nomishtam | Hex | 5 | |
| nomishtam | ASCII | 5 | |
| ZnS | ASCII | 5 | |
| SKEvan | Network Attacks | 5 | |
| ZnS | Great Snakes | 3 | |
| Nimov | You either know, XOR you don't | 30 | |
| nomishtam | Great Snakes | 3 | |
| elazdi_al | Factoring | 15 | |
| oongyi | Structure of AES | 15 | |
| SKEvan | Great Snakes | 3 | |
| winglet | You either know, XOR you don't | 30 | |
| ZnS | Finding Flags | 2 | |
| NoBirdWasHam | Hash Stuffing | 50 | |
| Darku | Bytes and Big Integers | 10 | |
| Seul | Finding Flags | 2 | |
| SKEvan | Finding Flags | 2 | |
| n0qword | Lemur XOR | 40 | |
| NoBirdWasHam | Gotta Go Fast | 40 | |
| Aryaethn | Rhetorical Oracle | 100 | |
| minhdepzai2k7 | Encoding Challenge | 40 | |
| raverken | XOR Properties | 15 |
You are now level Current level