Reaction Time Test

At a glance

Reaction Time Test is a free arcade game that plays in your browser on reactiontimetestonline.com, with touch controls for phones. On Foundplay since October 28, 2026.

Questions

Is Reaction Time Test free to play?

Yes. Reaction Time Test is free and plays in your browser on reactiontimetestonline.com. Foundplay links to it but doesn't host it.

Do I need to download Reaction Time Test?

No. It runs in a browser tab, with nothing to install.

Is Reaction Time Test safe?

Foundplay checks its link every few hours and gives it a daily safety check (malware blocklists, downloads, crypto miners, parked domains and fake virus warnings), and hides the game at once if that check fails. No check can promise a site is safe: if a game asks you to download something or for a password, leave it.

Can I play Reaction Time Test on my phone?

Yes. It has touch controls and plays in your phone's browser, with no app.

Is Reaction Time Test multiplayer?

No. It's a single player game.

What games are like Reaction Time Test?

COLD ARMOR, The Missing Bitcoin Scavenger Hunt on Remix and AI LANDGRAB: Hold the land, from More like this below. They're free in your browser too.