Black Hole Square is a puzzle game by Quinten Clause, made for js13kGames 2021. Each puzzle is a small board holding black holes and a few other squares. Tapping a square makes it do its one thing, usually slide in the direction of its arrow, and the puzzle is solved when everything except the black holes is gone. You only get a limited number of taps, so the order matters.
New kinds of square arrive every few puzzles and the early ones teach you each rule without a word of explanation. Your place is saved, and you can skip a puzzle that has you stuck and come back to it later.
Controls
Tap or click a square to use it. Swipe or drag left to skip a puzzle, right to reset it or go back.
Genre
Puzzle, Logic, Minimal, Touch
Price
Free — no account, no download, nothing to install
Tips for Black Hole Square
Look at where each arrow would send its square before you tap anything.
A square that is in the way of another usually has to go first.
Stuck? Swipe left to skip the puzzle and come back to it later.