| Challenge | Author | Category | Solves |
|---|---|---|---|
| tldr please summarise | Nosurf | misc | 1081 |
| parrot the emu | richighimi | web | 993 |
| Sun Zi's Perfect Math Class | wednesday | crypto | 801 |
| zoo feedback form | richighimi | web | 693 |
| shufflebox | hashkitten | crypto | 582 |
| number mashing | joseph | rev | 299 |
| Intercepted Transmissions | Pix | misc | 275 |
| vector overflow | joseph | pwn | 239 |
| yawa | joseph | pwn | 184 |
| sssshhhh | Pix | rev | 81 |
| Challenge | Author | Difficulty | Solves |
|---|---|---|---|
| decrypt then eval | joseph | easy | 197 |
| my array generator | wednesday | easy | 60 |
| V for Vieta | wednesday | easy | 55 |
| three line crypto | hashkitten | medium | 44 |
| super party computation | wednesday | medium | 13 |
| Poly1305 OTM | joseph | medium | 6 |
| AES | wednesday | hard | 2 |
| kyber decryption oracle | joseph | hard | 1 |
| Challenge | Author | Difficulty | Solves |
|---|---|---|---|
| sign in | joseph | easy | 95 |
| pac shell | joseph | easy | 55 |
| sheep farm simulator | joseph | medium | 21 |
| Faulty Kernel | toasterpwn | hard | 15 |
| ESPecially secure boot | joseph, HexF | medium | 3 |
| mirage | grub and anvbis | hard | 1 |
| Challenge | Author | Difficulty | Solves |
|---|---|---|---|
| rusty vault | 1nval1d (Cybears) | easy | 81 |
| jmp flag | joseph | easy | 71 |
| pressing buttons | joseph | medium | 34 |
| dungeon | joseph | medium | 22 |
| Ternary Brained | @jscarsbrook and @pix | medium | 15 |
| average assembly assignment | joseph | medium | 13 |
| adorable encrypted animal | joseph | hard | 3 |
| Challenge | Author | Difficulty | Solves |
|---|---|---|---|
| co2 | n00b.master. | easy | 289 |
| hah got em | ghostccamm | easy | 173 |
| i am confusion | richighimi | medium | 113 |
| co2v2 | n00b.master. | medium | 59 |
| sniffy | hashkitten | easy | 58 |
| waifu | ghostccamm | medium | 20 |
| Prisoner Processor | ghostccamm | hard | 17 |
| Challenge | Author | Difficulty | Solves |
|---|---|---|---|
| Sounds Nice | HexF | easy | 125 |
| I See | HexF | easy | 61 |
| The Door | HexF | medium | 15 |
| Crash Landing | HexF | medium | 12 |
| sirkit | HexF | hard | 4 |
| Birdloader | HexF, Jamie | medium | 2 |
| DUCTF | HexF | hard | 0 |
| Challenge | Author | Difficulty | Solves |
|---|---|---|---|
| Baby's First Forensics | Pix | beginner | 920 |
| SAM I AM | TurboPenguin | beginner | 545 |
| Bad Policies | TurboPenguin | beginner | 386 |
| Macro Magic | TurboPenguin & Pix | easy | 146 |
| emuc2 | BootlegSorcery@ | easy | 117 |
| Lost in Memory | TurboPenguin | medium | 42 |
| Challenge | Author | Difficulty | Solves |
|---|---|---|---|
| offtheramp | Anon | beginner | 851 |
| cityviews | Anon | easy | 631 |
| Bridget Lives | a_metre | easy | 505 |
| back to the jungle | ghostccamm | easy | 460 |
| They're Making Decoys | Nosurf | medium | 190 |
| marketing | ghostccamm | beginner | 187 |
| Challenge | Author | Difficulty | Solves |
|---|---|---|---|
| discord | DUCTF | beginner | 855 |
| survey | DUCTF | beginner | 446 |
| Wacky Recipe | TurboPenguin & joseph | easy | 152 |
| DNAdecay | BootlegSorcery@ | easy | 148 |
| WebSocket VPN | jscarsbrook | medium | 23 |
| the other minimal php | hashkitten | medium | 22 |
| mkductfiso | Pix && joseph | medium | 19 |
| pkijs< | joseph | medium | 7 |
| pkijs= | joseph | medium | 1 |