Stacker

Stacker presents a series of prepared challenges that test your attention and fast reflexes. Put on your scary costume and show what you have learned.

How To Play Stacker

Click to play, then work through every challenge Stacker has prepared for you.

Controls and Features

The only control is a click, which starts the game and lets you react. Challenges may require attention or fast reflexes, and practice helps you improve.

Tips

Stay focused when a challenge calls for attention, and keep your reflexes ready. Practicing the same challenge again helps you respond more quickly over time.

Stacker FAQs.

Q: How do I control the game? A: Click to play.
Q: What is the objective? A: Go through every challenge Stacker has prepared for you.
Q: What is the main mechanic? A: Completing challenges that may need attention or fast reflexes.