Reactonix Sandbox

Happy New Year, researchers! During this festive season, I wish you boundless space for experimentation, only confirmed hypotheses, and inspiring results in all your endeavors! In 2026, the development of Reactonix Sandbox continues. As always, I will share details about the game and talk about what you'll be able to experime...

Steam News · Dec 25, 2025

Materials transforming

Greetings from the simulation! I continue to tell you about the game. Before heading off for the New Year holidays, I'll show you an important element of the sandbox - the interaction between elements. All Three States I've already mentioned that in Reactonix Sandbox, elements are presented in three possible forms - gases, solids, and liquids. During the simulation, substances can change their sta...

Steam News · Dec 18, 2025

Answers about simulation

Greetings from the simulation! We're continuing our regular development diary. This week, we're answering player questions that have piled up since the start of development. You can ask more questions like these in our Discord community - I'll try to address them! How many elements are planned for the full version of the game? Around five hundred materials, but not all of them will be directly ava...