| Date | User | Challenge | Score |
| pmezzonato | Finding Flags | 2 | |
| siimma | Hex | 5 | |
| leo_god | Quadratic Residues | 25 | |
| deltaonetrooper | Great Snakes | 3 | |
| deltaonetrooper | Finding Flags | 2 | |
| yumina303 | Bytes and Big Integers | 10 | |
| martigo | Modular Binomials | 80 | |
| MatheusMarques | Base64 | 10 | |
| Hallow12 | ASCII | 5 | |
| Rezq | Modular Arithmetic 1 | 20 | |
| Dammaj | Legendre Symbol | 35 | |
| elmasrn3 | You either know, XOR you don't | 30 | |
| MatheusMarques | Hex | 5 | |
| leinad | Network Attacks | 5 | |
| Hallow12 | Finding Flags | 2 | |
| ash2007 | Bytes and Big Integers | 10 | |
| mohammedalbadwi | CERTainly not | 30 | |
| jh02 | Keyed Permutations | 5 | |
| juantos | ASCII | 5 | |
| MatheusMarques | ASCII | 5 | |
| Ezr0x | Bytes and Big Integers | 10 | |
| majdi_m | Oracular Spectacular | 150 | |
| Khaled_ahmed | CTRIME | 70 | |
| juantos | Great Snakes | 3 | |
| juantos | Finding Flags | 2 | |
| majdi_m | Twin Keys | 100 | |
| abhorash84 | Base64 | 10 | |
| Rabecca | Favourite byte | 20 | |
| mazen_jassar | Twin Keys | 100 | |
| brandonwinecoor | You either know, XOR you don't | 30 | |
| lanahaloul | Great Snakes | 3 | |
| Rabecca | XOR Properties | 15 | |
| csaron0 | XOR Properties | 15 | |
| Ezr0x | Base64 | 10 | |
| Rezq | Extended GCD | 20 | |
| KarmesinSeher | Finding Flags | 2 | |
| Ezr0x | Hex | 5 | |
| Ezr0x | ASCII | 5 | |
| facudualde | Favourite byte | 20 | |
| Renzzz | Hex | 5 | |
| AidanCCimbrik | You either know, XOR you don't | 30 | |
| brandonwinecoor | Favourite byte | 20 | |
| bl4ck_3rot1c4 | XOR Starter | 10 | |
| Shinny | You either know, XOR you don't | 30 | |
| AidanCCimbrik | Favourite byte | 20 | |
| Abstract | Manyprime | 40 | |
| yumina303 | Base64 | 10 | |
| bl4ck_3rot1c4 | Bytes and Big Integers | 10 | |
| csaron0 | XOR Starter | 10 | |
| Bright0 | Network Attacks | 5 |
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