Particles chase, flee, and ignore each other based on their color. Watch them organize into living patterns — then break it and watch it reorganize.

The Grid

The colored grid top-right is the rulebook. Each cell is one color's feeling toward another.

• Green = likes that color, moves toward it
• Red = hates that color, runs away
• Click any cell to scramble that one rule

Starting Points

• cells Colors stick to their own kind
• chains Each color chases the next one
• predator Everyone is hunting someone
• crystal Rigid, lattice-like formations

Buttons

• randomize Throw the whole rulebook out — see what happens
• share Copy a link to your exact setup