| Date | User | Challenge | Score |
| Nramine | Extended GCD | 20 | |
| Tlacaele1 | Chinese Remainder Theorem | 40 | |
| Nramine | Greatest Common Divisor | 15 | |
| Nramine | You either know, XOR you don't | 30 | |
| Nramine | Favourite byte | 20 | |
| ExploitX | Collider | 50 | |
| Nramine | XOR Properties | 15 | |
| d0lmiodawg | Logon Zero | 80 | |
| po1son001 | Hex | 5 | |
| gecko | Quadratic Residues | 25 | |
| whiteknight | Symmetry | 50 | |
| po1son001 | ASCII | 5 | |
| Matsuda | Greatest Common Divisor | 15 | |
| agomezmarti | Modes of Operation Starter | 15 | |
| po1son001 | Great Snakes | 3 | |
| ExploitX | Oh SNAP | 120 | |
| Toadytop | Abelian SIDH | 90 | |
| po1son001 | Finding Flags | 2 | |
| Toadytop | Better than Linear | 85 | |
| Eel8584 | Adrien's Signs | 80 | |
| whiteknight | Flipping Cookie | 60 | |
| Toadytop | André Encoding | 80 | |
| Cancelo | Hex | 5 | |
| shewitt2 | Modular Square Root | 35 | |
| kernel_crow | MD0 | 80 | |
| GingerCarrot | Bounded Noise | 50 | |
| ExploitX | Paper Plane | 120 | |
| Matsuda | You either know, XOR you don't | 30 | |
| swgov | Adrien's Signs | 80 | |
| aryanpatel142006 | Bringing It All Together | 50 | |
| flipthedog | Bytes and Big Integers | 10 | |
| swgov | Chinese Remainder Theorem | 40 | |
| Ghost0Sun | Resisting Bruteforce | 10 | |
| MyS_tiCaaLz | Great Snakes | 3 | |
| swgov | Modular Square Root | 35 | |
| aryanpatel142006 | Diffusion through Permutation | 30 | |
| aryanpatel142006 | Confusion through Substitution | 25 | |
| aryanpatel142006 | Round Keys | 20 | |
| Cancelo | ASCII | 5 | |
| swgov | Legendre Symbol | 35 | |
| MyS_tiCaaLz | Finding Flags | 2 | |
| Toadytop | What's My Kernel | 70 | |
| GANESH_BAJI | Quadratic Residues | 25 | |
| QRms | Crossed Wires | 100 | |
| eren45 | Bytes and Big Integers | 10 | |
| Cancelo | Great Snakes | 3 | |
| Ghost0Sun | Keyed Permutations | 5 | |
| aryanpatel142006 | Structure of AES | 15 | |
| flipthedog | Base64 | 10 | |
| flipthedog | Hex | 5 |
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