About
A physics-based stacking game where you build towers as high as possible without letting them fall. Experience realistic gravity and tension as an adaptive algorithm challenges your skill level with increasingly complex block shapes.
What's New in Block Stack
1.1
March 14, 2026
Bugfix.
Developer apps
FAQ
What is Block Stack's gameplay like?
Block Stack is a physics-based stacking game where the objective is to build a tower as high as possible by dragging and dropping blocks. Each block adheres to realistic physics, including gravity, friction, and momentum, creating tension with every placement.
Does Block Stack have ads?
No, Block Stack is ad-free. The game explicitly states 'No ads. No in-app purchases. No data collection.'
How does Block Stack adapt to my skill level?
An adaptive algorithm monitors your tower's shape and tilt in real-time. It then designs each round to match your current skill level, ensuring a continuously challenging experience without you consciously noticing the adjustments.
What devices does Block Stack support?
Block Stack currently supports iPhone devices. It is designed for one-handed portrait play, making it convenient for on-the-go gaming.
Are there different block shapes in Block Stack?
Yes, there are 28 different block shapes. The game starts with simple squares and dominoes, introducing more complex shapes like L-shapes, trominos, S-pieces, Z-pieces, T-pieces, and I-bars as your tower grows higher.
Can I play Block Stack offline?
Yes, Block Stack can be played offline. The game does not require an internet connection for its core gameplay mechanics.
What is the age rating for Block Stack?
Block Stack has an age rating of 4+. This indicates it is suitable for young children and general audiences.
How often is Block Stack updated?
Block Stack was last updated on March 14, 2026, with version 1.1. This suggests a relatively recent update, indicating ongoing support and potential for future improvements.