| Date | User | Challenge | Score |
| huitrebleu | Hex | 5 | |
| Hasini | Great Snakes | 3 | |
| YWzhong | Flipping Cookie | 60 | |
| KamClam | XOR Starter | 10 | |
| Lance0 | Modular Inverting | 25 | |
| zeefromzee | Legendre Symbol | 35 | |
| huitrebleu | ASCII | 5 | |
| huitrebleu | Great Snakes | 3 | |
| KamClam | Bytes and Big Integers | 10 | |
| Lance0 | Modular Arithmetic 2 | 20 | |
| origabai | Let's Decrypt Again | 175 | |
| huitrebleu | Finding Flags | 2 | |
| Nimadli | Network Attacks | 5 | |
| Lance0 | Modular Arithmetic 1 | 20 | |
| KamClam | Base64 | 10 | |
| Nimadli | Great Snakes | 3 | |
| Zarmouni | Favourite byte | 20 | |
| Lance0 | Greatest Common Divisor | 15 | |
| Nimadli | Finding Flags | 2 | |
| Youmna_ | ASCII | 5 | |
| pypy | Working with Fields | 10 | |
| KamClam | Hex | 5 | |
| mycroft | Lemur XOR | 40 | |
| Nimadli | Successive Powers | 60 | |
| pypy | Modulus Inutilis | 50 | |
| Zarmouni | XOR Properties | 15 | |
| Lance0 | XOR Starter | 10 | |
| jf_x_dev | Modular Binomials | 80 | |
| nstep | Authentification 2 (Breizh CTF) | 0 | |
| Ira0a | Base64 | 10 | |
| Nimadli | Chinese Remainder Theorem | 40 | |
| astronic | Base64 | 10 | |
| KamClam | ASCII | 5 | |
| j_m | Triple DES | 60 | |
| KMA_SiriuS_ | Curves and Logs | 40 | |
| Lance0 | Resisting Bruteforce | 10 | |
| Lance0 | Keyed Permutations | 5 | |
| hanahiennguyen | CTRIME | 70 | |
| vicci | Generators of Groups | 20 | |
| j_m | Lazy CBC | 60 | |
| vicci | Working with Fields | 10 | |
| MeanWant | Base64 | 10 | |
| whitecat111 | Quadratic Residues | 25 | |
| Ira0a | Hex | 5 | |
| Mdarix | Greatest Common Divisor | 15 | |
| astronic | Hex | 5 | |
| h1gkpo | Greatest Common Divisor | 15 | |
| MeanWant | Hex | 5 | |
| whitecat111 | Modular Inverting | 25 | |
| mycroft | You either know, XOR you don't | 30 |
You are now level Current level