| Date | User | Challenge | Score |
| Minhhau | Monoprime | 30 | |
| ThibThib | Quadratic Residues | 25 | |
| mohammedalshalab | Beatboxer | 150 | |
| majdi | Keyed Permutations | 5 | |
| vo_ided_01 | Greatest Common Divisor | 15 | |
| Minhhau | Factoring | 15 | |
| mohammedalshalab | Forbidden Fruit | 150 | |
| SirKnoll | Greatest Common Divisor | 15 | |
| xianggenglihai | Structure of AES | 15 | |
| mohammedalshalab | Paper Plane | 120 | |
| Lokaka | Finding Flags | 2 | |
| supersecretname | Flipping Cookie | 60 | |
| majdi | Network Attacks | 5 | |
| elaf | Invariant | 250 | |
| elaf | Mixed Up | 120 | |
| mohammedalshalab | The Good, The Pad, The Ugly | 100 | |
| elaf | MDFlag | 125 | |
| mohammedalshalab | Pad Thai | 80 | |
| elaf | MD0 | 80 | |
| mohammedalshalab | Oh SNAP | 120 | |
| elaf | No Difference | 175 | |
| mohammedalshalab | Dancing Queen | 120 | |
| mohammedalshalab | Stream of Consciousness | 80 | |
| mohammedalshalab | Logon Zero | 80 | |
| mohammedalshalab | CTRIME | 70 | |
| vo_ided_01 | Bytes and Big Integers | 10 | |
| xianggenglihai | Resisting Bruteforce | 10 | |
| mohammedalshalab | Bean Counter | 60 | |
| mohammedalshalab | Symmetry | 50 | |
| mohammedalshalab | Triple DES | 60 | |
| HabibaOwida | Finding Flags | 2 | |
| xianggenglihai | Keyed Permutations | 5 | |
| mohammedalshalab | Lazy CBC | 60 | |
| mohammedalshalab | Flipping Cookie | 60 | |
| mohammedalshalab | Passwords as Keys | 50 | |
| Minhhau | RSA Signatures | 25 | |
| mohammedalshalab | ECB Oracle | 60 | |
| selim101 | Hex | 5 | |
| FieryBanana101 | Invariant | 250 | |
| majdi | Great Snakes | 3 | |
| majdi | Finding Flags | 2 | |
| pedropisa | Export-grade | 100 | |
| SirKnoll | You either know, XOR you don't | 30 | |
| selim101 | ASCII | 5 | |
| amool | Let's Decrypt Again | 175 | |
| amool | Vote for Pedro | 150 | |
| amool | Blinding Light | 120 | |
| amool | Let's Decrypt | 80 | |
| amool | Signing Server | 60 | |
| amool | Null or Never | 100 |
You are now level Current level