| Date | User | Challenge | Score |
| adrilinis | Base64 | 10 | |
| benito255 | Megalomaniac 3 | 120 | |
| adrilinis | Hex | 5 | |
| benito255 | Megalomaniac 2 | 120 | |
| Mukeshburdak | Privacy-Enhanced Mail? | 25 | |
| H_TECH | Great Snakes | 3 | |
| pedropisa | Prime and Prejudice | 200 | |
| tzlil | Micro Transmissions | 120 | |
| ghadeerfahd | Oh SNAP | 120 | |
| 9tsrC_s | Modes of Operation Starter | 15 | |
| 223874_Mark | Favourite byte | 20 | |
| benito255 | Megalomaniac 1 | 100 | |
| Nissangtr | ASCII | 5 | |
| starnotes | Elliptic Nodes | 150 | |
| Shy_mp3 | XOR Properties | 15 | |
| hsn_cagri | Bytes and Big Integers | 10 | |
| cryptopunky | Base64 | 10 | |
| 9tsrC_s | Bringing It All Together | 50 | |
| Mintelv | Great Snakes | 3 | |
| cryptopython3 | Modular Arithmetic 2 | 20 | |
| hsn_cagri | Base64 | 10 | |
| Ahmed_Lutfi | Round Keys | 20 | |
| PlumpLad391 | Favourite byte | 20 | |
| hack_use_math | Marin's Secrets | 50 | |
| esmej | Finding Flags | 2 | |
| PlumpLad391 | XOR Properties | 15 | |
| hsn_cagri | Hex | 5 | |
| pedropisa | Trust Games | 150 | |
| cryptopython3 | Modular Arithmetic 1 | 20 | |
| auraman67 | Favourite byte | 20 | |
| cryptopython3 | Greatest Common Divisor | 15 | |
| asad123 | ECB CBC WTF | 55 | |
| RAZZJAZZ | Finding Flags | 2 | |
| hsn_cagri | ASCII | 5 | |
| Maram_2026 | Oh SNAP | 120 | |
| cryptopunky | Hex | 5 | |
| ghadeerfahd | Dancing Queen | 120 | |
| Maram_2026 | Dancing Queen | 120 | |
| Rajeh | Great Snakes | 3 | |
| hsn_cagri | Great Snakes | 3 | |
| Maram_2026 | Stream of Consciousness | 80 | |
| ghadeerfahd | Stream of Consciousness | 80 | |
| cryptopython3 | Network Attacks | 5 | |
| ghadeerfahd | Logon Zero | 80 | |
| Rajeh | Finding Flags | 2 | |
| Maram_2026 | Logon Zero | 80 | |
| shri69 | Extended GCD | 20 | |
| cryptopython3 | XOR Properties | 15 | |
| lost_58 | ASCII | 5 | |
| B2K_ali | Jack's Birthday Confusion | 30 |
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