Stacker

A row of blocks slides side to side — tap to drop it square on the stack below. Any overhang is sliced off, so the tower narrows with every miss. Stack to the top. Trains timing and precision.

Trains: Timing & precision · Category: Arcade

How to play: Stacker is a free, browser-based brain-training game in the Brain Gym suite. Play it instantly — no sign-up, works offline, and your best scores are saved on your device.

Play Stacker · All Brain Gym games