| Date | User | Challenge | Score |
| eryk1343 | Parameter Injection | 60 | |
| Raven0X7 | ASCII | 5 | |
| Napoleon | Finding Flags | 2 | |
| Raven0X7 | Great Snakes | 3 | |
| Raven0X7 | Finding Flags | 2 | |
| ChokosOS | Decrypting TLS 1.3 | 35 | |
| n4k4 | Quadratic Residues | 25 | |
| ra_mn | Favourite byte | 20 | |
| C4rm3l0 | CERTainly not | 30 | |
| ChokosOS | Decrypting TLS 1.2 | 30 | |
| kostpergan | Adrien's Signs | 80 | |
| Par2025 | Passwords as Keys | 50 | |
| C4rm3l0 | Privacy-Enhanced Mail? | 25 | |
| mohamad_waleed1 | Base64 | 10 | |
| mmd1hp | XOR Starter | 10 | |
| epd54 | Salty | 20 | |
| j_wlodarz | Blinding Light | 120 | |
| ChokosOS | Saying Hello | 20 | |
| lukezifer | Modular Arithmetic 1 | 20 | |
| epd54 | Manyprime | 40 | |
| epd54 | Monoprime | 30 | |
| mohamad_waleed1 | Hex | 5 | |
| JonathanPortillo | Bytes and Big Integers | 10 | |
| Siri | Adrien's Signs | 80 | |
| mohamad_waleed1 | ASCII | 5 | |
| jstypulkowska | Ron was Wrong, Whit is Right | 90 | |
| 01169322 | Static Client 2 | 120 | |
| cyborgsmetalhalf | Symmetry | 50 | |
| NotSkilled | Network Attacks | 5 | |
| mohamad_waleed1 | Great Snakes | 3 | |
| lukezifer | Extended GCD | 20 | |
| onedub | Finding Flags | 2 | |
| mohamad_waleed1 | Finding Flags | 2 | |
| Angelo | Oh SNAP | 120 | |
| JonathanPortillo | Base64 | 10 | |
| epd54 | Factoring | 15 | |
| ChokosOS | TLS Handshake | 15 | |
| JonathanPortillo | Hex | 5 | |
| Siri | Chinese Remainder Theorem | 40 | |
| lolipop | The Matrix | 75 | |
| thainguyen_13 | Parameter Injection | 60 | |
| Angelo | Lo-Hi Card Game | 120 | |
| epd54 | RSA Signatures | 25 | |
| cyborgsmetalhalf | Flipping Cookie | 60 | |
| jstypulkowska | Fast Primes | 75 | |
| bowie41 | Greatest Common Divisor | 15 | |
| JonathanPortillo | ASCII | 5 | |
| ahmedmario | Diffusion through Permutation | 30 | |
| rhachet | Great Snakes | 3 | |
| eryk1343 | Deriving Symmetric Keys | 40 |
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