| Date | User | Challenge | Score |
| DenisCorneanu | Public Keys | 15 | |
| San98der | Hex | 5 | |
| San98der | ASCII | 5 | |
| platonaspap | Background Reading | 5 | |
| platonaspap | Point Negation | 10 | |
| kenham11 | Finding Flags | 2 | |
| saisoma123 | Modular Inverting | 25 | |
| Thaimeo2006 | Null or Never | 100 | |
| whit3g4ndalf | ECB Oracle | 60 | |
| saisoma123 | Modular Arithmetic 2 | 20 | |
| SherlockHack | Chinese Remainder Theorem | 40 | |
| saisoma123 | Modular Arithmetic 1 | 20 | |
| Nadav160 | Infinite Descent | 50 | |
| TWX185 | Hex | 5 | |
| TWX185 | ASCII | 5 | |
| baoan | Modular Binomials | 80 | |
| TWX185 | Great Snakes | 3 | |
| saisoma123 | Extended GCD | 20 | |
| gh0stvageo | RSA Signatures | 25 | |
| francois | Saying Hello | 20 | |
| Redender64 | Missing Modulus | 80 | |
| Gabsadio | Symmetry | 50 | |
| Klaudia | Blinding Light | 120 | |
| space_invader | Hash Stuffing | 50 | |
| Gabsadio | Flipping Cookie | 60 | |
| lidor | Parameter Injection | 60 | |
| MichaelWheel | Adrien's Signs | 80 | |
| Klaudia | Let's Decrypt | 80 | |
| johvikas | JSON in JSON | 40 | |
| foxadecimal | You either know, XOR you don't | 30 | |
| PAWOS | ECB Oracle | 60 | |
| MahdiFdaos | Marin's Secrets | 50 | |
| MahdiFdaos | Infinite Descent | 50 | |
| talayhan | Megalomaniac 2 | 120 | |
| space_invader | Collider | 50 | |
| johvikas | RSA or HMAC? | 35 | |
| mrvaldemar | XOR Starter | 10 | |
| kushnerykpavlo | Modular Exponentiation | 10 | |
| Wenzio | Forbidden Fruit | 150 | |
| foxadecimal | Favourite byte | 20 | |
| talayhan | Megalomaniac 1 | 100 | |
| baoan | Adrien's Signs | 80 | |
| l3v | You either know, XOR you don't | 30 | |
| Banana_Babanana | Modular Binomials | 80 | |
| foxadecimal | XOR Properties | 15 | |
| squ4r00t | Modes of Operation Starter | 15 | |
| Odysseus2026 | You either know, XOR you don't | 30 | |
| MahdiFdaos | Modulus Inutilis | 50 | |
| MahdiFdaos | Salty | 20 | |
| MahdiFdaos | Manyprime | 40 |
You are now level Current level