Reactonix Sandbox

2026SimulatorIndieSide view

“Reactonix is a flexible and enjoyable simulation sandbox where every force is at your command.”

Engine

Unity

In play

Side view · Single player · Multiplayer

Runs on

Linux’26

PC’26

§ Your play

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§ The world

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§ About the game

Simulator · Indie

Reactonix is a flexible and enjoyable simulation sandbox where every force is at your command. Create ecosystems alone or with friends, experiment with physics and watch life evolve—or start an apocalypse for the sake of science. Complete freedom to create and destroy is in your hands.