| Date | User | Challenge | Score |
| AkramShiban600 | Jack's Birthday Confusion | 30 | |
| Hamoud | Privacy-Enhanced Mail? | 25 | |
| AkramShiban600 | Jack's Birthday Hash | 20 | |
| Hamoud | CERTainly not | 30 | |
| AkramShiban600 | Export-grade | 100 | |
| Divad_Al | Structure of AES | 15 | |
| abdalmajeedalry | Endless Emails | 150 | |
| Hamoud | Transparency | 50 | |
| Hamoud | Lemur XOR | 40 | |
| Hamoud | Encoding Challenge | 40 | |
| mohammedghanen | Salty | 20 | |
| FRENZY1337 | Static Client | 100 | |
| AkramShiban600 | Parameter Injection | 60 | |
| mohammedghanen | Crossed Wires | 100 | |
| abdalmajeedalry | Everything is Still Big | 100 | |
| Crypto_Dom | Hex | 5 | |
| AkramShiban600 | Deriving Symmetric Keys | 40 | |
| peps07 | Finding Flags | 2 | |
| AkramShiban600 | Computing Shared Secrets | 30 | |
| Divad_Al | Resisting Bruteforce | 10 | |
| abdalmajeedalry | Crossed Wires | 100 | |
| AkramShiban600 | Computing Public Values | 25 | |
| Divad_Al | Keyed Permutations | 5 | |
| AkramShiban600 | Generators of Groups | 20 | |
| AkramShiban600 | Working with Fields | 10 | |
| mohammedghanen | Endless Emails | 150 | |
| AkramShiban600 | RSA Backdoor Viability | 175 | |
| Crypto_Dom | ASCII | 5 | |
| abdalmajeedalry | Everything is Big | 70 | |
| AkramShiban600 | Ron was Wrong, Whit is Right | 90 | |
| MagicPizzaBox | Legendre Symbol | 35 | |
| AkramShiban600 | Fast Primes | 75 | |
| 1t4ch1d3v | Greatest Common Divisor | 15 | |
| Divad_Al | Network Attacks | 5 | |
| hani_harazi | Forbidden Fruit | 150 | |
| AkramShiban600 | Marin's Secrets | 50 | |
| mohammedghanen | Modulus Inutilis | 50 | |
| hani_harazi | Paper Plane | 120 | |
| Divad_Al | Great Snakes | 3 | |
| AkramShiban600 | Infinite Descent | 50 | |
| Divad_Al | Finding Flags | 2 | |
| AkramShiban600 | Endless Emails | 150 | |
| 1t4ch1d3v | Encoding Challenge | 40 | |
| mohammedghanen | Everything is Still Big | 100 | |
| hani_harazi | The Good, The Pad, The Ugly | 100 | |
| mohammedghanen | Everything is Big | 70 | |
| hani_harazi | Pad Thai | 80 | |
| AkramShiban600 | Crossed Wires | 100 | |
| hani_harazi | Oh SNAP | 120 | |
| hani_harazi | Dancing Queen | 120 |
You are now level Current level