| Date | User | Challenge | Score |
| Patouvoodoo | Confusion through Substitution | 25 | |
| AntonioVictor | Finding Flags | 2 | |
| mej | Modular Inverting | 25 | |
| Faizsyahril | Base64 | 10 | |
| mopedist | The Good, The Pad, The Ugly | 100 | |
| Faizsyahril | Hex | 5 | |
| Faizsyahril | ASCII | 5 | |
| Faizsyahril | Great Snakes | 3 | |
| 4lch3mis7 | Greatest Common Divisor | 15 | |
| Faizsyahril | Finding Flags | 2 | |
| mopedist | Pad Thai | 80 | |
| samuraiigintoki | Finding Flags | 2 | |
| asimindoff | You either know, XOR you don't | 30 | |
| Stub | Parameter Injection | 60 | |
| asimindoff | Favourite byte | 20 | |
| asimindoff | XOR Properties | 15 | |
| mopedist | Static Client | 100 | |
| Stub | Deriving Symmetric Keys | 40 | |
| Stub | Computing Shared Secrets | 30 | |
| asimindoff | XOR Starter | 10 | |
| asimindoff | Bytes and Big Integers | 10 | |
| Stub | Computing Public Values | 25 | |
| mopedist | Static Client 2 | 120 | |
| Stub | Generators of Groups | 20 | |
| Stub | Working with Fields | 10 | |
| Stub | Modulus Inutilis | 50 | |
| mopedist | Additive | 70 | |
| Stub | Salty | 20 | |
| Stub | Manyprime | 40 | |
| Stub | Monoprime | 30 | |
| Ikiarieffadil | You either know, XOR you don't | 30 | |
| Ikiarieffadil | Favourite byte | 20 | |
| xz3r0 | You either know, XOR you don't | 30 | |
| Ikiarieffadil | XOR Properties | 15 | |
| Ikiarieffadil | XOR Starter | 10 | |
| mopedist | Export-grade | 100 | |
| Ikiarieffadil | Bytes and Big Integers | 10 | |
| Ikiarieffadil | Base64 | 10 | |
| Ikiarieffadil | Hex | 5 | |
| mopedist | Parameter Injection | 60 | |
| Ikiarieffadil | ASCII | 5 | |
| Ikiarieffadil | Great Snakes | 3 | |
| Ikiarieffadil | Finding Flags | 2 | |
| Barnacles16 | Base64 | 10 | |
| Barnacles16 | Hex | 5 | |
| Stub | Factoring | 15 | |
| Barnacles16 | ASCII | 5 | |
| Barnacles16 | Great Snakes | 3 | |
| Lucen | Factoring | 15 | |
| Stub | RSA Signatures | 25 |
You are now level Current level