| Date | User | Challenge | Score |
| tbr103 | Round Keys | 20 | |
| tyluudinh | Nativity | 60 | |
| tyluudinh | Bounded Noise | 50 | |
| crazywolfy | Bringing It All Together | 50 | |
| quen | Finding Flags | 2 | |
| HACKER_merlin | Network Attacks | 5 | |
| tyluudinh | Trust Games | 150 | |
| Ameneko | Modular Arithmetic 1 | 20 | |
| crazywolfy | Diffusion through Permutation | 30 | |
| Konstantinos | Bytes and Big Integers | 10 | |
| likely | Great Snakes | 3 | |
| Konstantinos | Base64 | 10 | |
| Ameneko | Extended GCD | 20 | |
| likely | Finding Flags | 2 | |
| Konstantinos | Hex | 5 | |
| Konstantinos | ASCII | 5 | |
| tyluudinh | Toshi's Treasure | 150 | |
| vibehutao | Confusion through Substitution | 25 | |
| PJ696769 | Quadratic Residues | 25 | |
| tyluudinh | Oh SNAP | 120 | |
| netwarden | Great Snakes | 3 | |
| sasasisi | Bytes and Big Integers | 10 | |
| sasasisi | Base64 | 10 | |
| pypy | Dancing Queen | 120 | |
| sasasisi | Hex | 5 | |
| sasasisi | ASCII | 5 | |
| tyluudinh | Dancing Queen | 120 | |
| netwarden | Finding Flags | 2 | |
| ForJ | Broken RSA | 100 | |
| tyluudinh | Stream of Consciousness | 80 | |
| tyluudinh | Megalomaniac 3 | 120 | |
| tyluudinh | Megalomaniac 2 | 120 | |
| tyluudinh | Megalomaniac 1 | 100 | |
| tyluudinh | Logon Zero | 80 | |
| shriya | Finding Flags | 2 | |
| closeonjae | Great Snakes | 3 | |
| closeonjae | Finding Flags | 2 | |
| Dcaha001 | You either know, XOR you don't | 30 | |
| CircularBlox | Encoding Challenge | 40 | |
| Noble0328 | Base64 | 10 | |
| kevin21 | Bytes and Big Integers | 10 | |
| CircularBlox | Network Attacks | 5 | |
| Edmark | Finding Flags | 2 | |
| tyluudinh | RSA or HMAC? Part 2 | 100 | |
| f7kumoi | Everything is Big | 70 | |
| Dcaha001 | Favourite byte | 20 | |
| Hanging_Tree | Smooth Criminal | 60 | |
| ParaIron | Quadratic Residues | 25 | |
| f7kumoi | Modulus Inutilis | 50 | |
| SpikeofLead | Finding Flags | 2 |
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