Sprint is an endless reflex runner game: blocks rush toward you down three lanes and you swerve left or right to slip past them. Use the arrow keys or the on-screen buttons. It never stops accelerating, and a single collision ends the run — your score is how many blocks you dodge.
Play Sprint nowYou control a block at the bottom of three lanes. Red blocks stream down from the top, and you move left or right to avoid them. The speed and spawn rate keep climbing, so your reactions have to keep pace. One hit and the run is over.
A reflex runner game forces constant, split-second decisions under rising pressure — read the lane, commit, move, repeat. That sustained reaction load is a great workout for the same reflexes gamers and drivers rely on.
An endless game where you dodge obstacles by reacting quickly. Sprint has you swerving between three lanes to avoid oncoming blocks.
Arrow keys (or A/D) on desktop, and left/right buttons on touch and mobile.
Yes — it continuously speeds up and spawns blocks faster, so the longer you last the tougher it gets.
ReactionLab games are for benchmarking and fun. They are not medical, neurological, or IQ assessments.