About
Tap to stack blocks as high as possible. Precise landings extend your stack, while misses shorten it or cost you a life. Master tight timing and unlock challenging modes for an addictive reflex challenge.
What's New in StackUp
1.0
April 21, 2026
In-App Purchases
$0.99
Remove Ads
Remove all ads from StackUp forever. One-time purchase.
Developer apps
FAQ
What is StackUp?
StackUp is a hyper-casual arcade game where players tap to stack blocks. The goal is to stack as high as possible by landing blocks precisely, with misses shortening the block or costing a life.
How do you play StackUp?
You play StackUp by tapping the screen at the right moment to drop a sliding bar onto the stack. Perfect landings extend your bar, while imperfect landings shorten it or result in losing a life.
Does StackUp have ads?
Yes, StackUp contains short interstitial advertisements after each run. These ads can be permanently removed with a one-time purchase of $0.99.
Can I play StackUp offline?
Yes, StackUp can be played offline. No account or sign-up is needed, making it accessible anytime, anywhere.
Are there different modes in StackUp?
StackUp features 3 initial difficulty modes, with additional hidden modes that can be unlocked. One of these is 'Insane' mode, where a single miss ends the game.
What devices does StackUp support?
StackUp is currently supported on iPhone devices.
How often is StackUp updated?
StackUp was last updated on April 21, 2026, with version 1.0. It was initially released on April 20, 2026.
What is the age rating for StackUp?
StackUp has an age rating of 4+, making it suitable for a wide range of players.