| Date | User | Challenge | Score |
| Rezq | Collider | 50 | |
| Rezq | Jack's Birthday Confusion | 30 | |
| Rezq | Jack's Birthday Hash | 20 | |
| Skyradox | Bytes and Big Integers | 10 | |
| Rezq | The Matrix Revolutions | 125 | |
| yvssine | Extended GCD | 20 | |
| HKwesha | Chinese Remainder Theorem | 40 | |
| Rezq | The Matrix | 75 | |
| Rezq | Script Kiddie | 70 | |
| Rezq | Static Client 2 | 120 | |
| Tfok62 | Modular Arithmetic 2 | 20 | |
| Rezq | Additive | 70 | |
| Rezq | Static Client | 100 | |
| Rezq | Export-grade | 100 | |
| Rezq | Parameter Injection | 60 | |
| MadRat_0 | Prime and Prejudice | 200 | |
| Rezq | Deriving Symmetric Keys | 40 | |
| HKwesha | Legendre Symbol | 35 | |
| yvssine | Greatest Common Divisor | 15 | |
| Antonio6459 | Bytes and Big Integers | 10 | |
| konmr | Jack's Birthday Hash | 20 | |
| konmr | Jack's Birthday Confusion | 30 | |
| konmr | Mixed Up | 120 | |
| konmr | Invariant | 250 | |
| konmr | MDFlag | 125 | |
| konmr | MD0 | 80 | |
| konmr | WOTS Up 2 | 90 | |
| konmr | WOTS Up | 75 | |
| konmr | Merkle Trees | 25 | |
| konmr | Twin Keys | 100 | |
| konmr | PriMeD5 | 100 | |
| konmr | No Difference | 175 | |
| konmr | Hash Stuffing | 50 | |
| konmr | Collider | 50 | |
| konmr | The Matrix Revolutions | 125 | |
| konmr | The Matrix Reloaded | 100 | |
| konmr | The Matrix | 75 | |
| konmr | Script Kiddie | 70 | |
| konmr | Static Client | 100 | |
| YoussefSah05 | Resisting Bruteforce | 10 | |
| konmr | Static Client 2 | 120 | |
| konmr | Additive | 70 | |
| Tfok62 | Modular Arithmetic 1 | 20 | |
| konmr | Vote for Pedro | 150 | |
| Antonio6459 | Base64 | 10 | |
| konmr | Let's Decrypt Again | 175 | |
| konmr | Let's Decrypt | 80 | |
| konmr | Blinding Light | 120 | |
| konmr | Ron was Wrong, Whit is Right | 90 | |
| itg6j | Signing Server | 60 |
You are now level Current level