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Mortal Coil
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BitBath

BitBath: Bot Wars

Armies of bots battle to the death. How will your strategy fare? Find out at BitBath.

Wormageddon Dueling Bots

The next level of hacker.org: dueling bots! Our first arena is Wormageddon.

Another new puzzle

Reduce the chaos of a busy world to the calm simplicity of emptiness in Bricolage!

Newest puzzle

Confound your wits with Mortal Coil!

Our third puzzle-solving competition. Cover the world with your trail.

Second hacker.org competition

How high can you score on Runaway Robot?

Our second puzzle-solving competition. Help your robot escape from a deadly maze. Like with the Modulo puzzle, you may find that a computer can help you find a path!

First hacker.org competition

How high can you score on Modulo?

Modulo is the first in a series of online puzzle-solving competitions. Try it out, and see if you can out-hack the other puzzle solvers. Use your brains, use a computer, use anything you want.

Your first hacking challenge

...is to register an account on hacker.org. The account registration page has been changed a bit in order to avoid spam bots. Since this is a site for hackers, we figured that would not stop you from figuring out how to register. The other way to register is to pass a level on any of our puzzles. The registration page will then open for you.

What should we do with this site?

That's it, hacker.org is finally moving forward. We are re-openning the site with the goal of hosting a number of online services for the hacker community. We don't know yet what services we'll offer, and in which order. We could offer simple services, such as email hosting (yourname@hacker.org), anonymizers, network tools, hacker-friendly online storage, specialized servers (ex: IP over DNS for passing through Wifi HotSpots), dynamic DNS (yourserver@hacker.org), etc... So let us know what you think would be the most useful to you. Let us know, too, if you think you could help, financially, technically, etc... Visit the Forum to let us know what you think.
Top Hackers
player score
Captain Segfault 590
bok 586
adum 542
abes 520
Iain 329
dk39ab 249
iceman 233
MerickOWA 231
zzzz 219
snarkophilus 215
see more...