Reactonix Sandbox cover art

Reactonix Sandbox

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…

30 June 2026

Reactonix Sandbox is an indie, released 30 June 2026 on Linux and PC (Microsoft Windows).

Verified Sources: IGDB , Steam

What Reactonix Sandbox is

Reactonix Sandbox was released in 2026. It is available on Linux and PC (Microsoft Windows). It runs on Unity.

The premise, in the publisher's words

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.
Description from the publisher · source

How it plays

It is played from a side view perspective. It is a single-player game with no multiplayer component. Available modes: Co-operative, Multiplayer and Single player.

What it launched against

Reactonix Sandbox launched on 30 June 2026, within three weeks of Assassin's Creed Black Flag Resynced, Palworld, Doom: The Dark Ages - Revelations and Denshattack!.

Released around the same time: Assassin's Creed Black Flag Resynced, Palworld, Doom: The Dark Ages - Revelations, Denshattack!.

Screenshots

All media

Quick answers

Reactonix Sandbox — frequently asked questions

When did Reactonix Sandbox come out?
Reactonix Sandbox was released on 30 June 2026 for Linux and PC (Microsoft Windows).

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