ReactionLab Classic

🌟 ReactionLab 2 is now available! ReactionLab is a pixelated particle sandbox game. Draw elements onto the canvas and watch them interact in real time! This is the original version of the game. It contains: - 40+ Elements - 70+ Total particle types - 45+ Achievements and reactions ReactionLab uses no permissions, takes up only 1MB, and runs smoothly on any device.