account
challenge
contact
credit
hacker
links
stat
todo
wtf

Top Hackers
alucardo 354 points 100.00%
saiwa 354 points 100.00%
thefinder 354 points 100.00%
Anonr 350 points 98.87%
neoxquick 344 points 97.18%
tehron 335 points 94.63%
livinskull 330 points 93.22%
Akorlith 325 points 91.81%
madbat2 320 points 90.40%
rubiya 319 points 90.11%

New Hackers
starz007 : What's that say? I
l3yam134 : Accessing routes
Xvezda : Computer Talk
thalassophobic : Crackerjack Encryption
tweg : A different method
edr3mo : What's that say? III

Partner Sites
Halls of Valhalla
Additional Challenge Sites
try to decrypt with 23 challenges.
RoseCode with 538 challenges.
SuNiNaTaS with 32 challenges.
Hacking-Challenges with 145 challenges.
Gekkó with 10 challenges.
Updated on 08/18/19 11:47:46 AM UTC
It's only a game!

Research harder

Where ya coming from?

Error: Invalid referring domain.
Only visitors from haxorz.com are allowed.

Gonna have to try a little harder...




Who's beaten this one?
Pseudo
  Pass

There are currently 90 challenges, with a maximum possible value of 354 points.

New Challenges
Rumplestiltskin
Unusual Translation
Hashed II
Beep Beep
JSON and the Argonauts III
JSON and the Argonauts II
JSON and the Argonauts I

Most Popular Challenges
What's that say? I
Computer Talk
A curious escape
Base 8^2
What's that say? III
I came, I saw, I encrypted
What goes there?

Member of The Internet Defense League

Care and feeding instructions