Play a physics puzzle online in this HTML5 gravity game. Use black hole forces to guide the square and solve each level. Features: - Gravity-based gameplay - Minimalist geometric design - Challenging physics and momentum puzzles - No download, for PC & mobile Controls: Tap/Click and try to clean all the squares. Swipe right to reset or go back. Swipe left to skip a puzzle. Based on an open source project by Quinten Clause (MIT License): https://github.com/Quinten/black-hole-square