The hacker explores the intersection of art and science in an insatiable quest to understand and shape the world around him.

The hacker.org challenges are a series of puzzles, tricks, tests, and brainteasers designed to probe the depths your hacking skills. To master this series you will need to crack cryptography, write clever code, and dissect the impenetrable; and in the process you will enrich your understanding of the world of hacking.

Play and hack a coiled game. Level: 0. Click to place your starting position. Subsequent clicks move until you hit something.

Hack VM - A Virtual Machine for Hackers. The Hack VM is a tiny, trivial, virtual machine. Its purpose is to be used as a simple execution engine that can run very simple programs.

Play and hack a runaway robot puzzle game.

Play and hack a puzzle game. Level: 0 Your goal: turn on all the lights. Click a square to flip the lights on all squares in the same vertical and horizontal line.

Play and hack a runaway robot puzzle game.

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