69%Strong matchThe Bridge
88%3k88% positive reviews, Very Positive across 3k reviews·Puzzle Platformer · Hand-drawn
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A mind-bending 3D/2D/1D puzzle-platformer where you interact with cross-sections of the world. Every level will leave you with a broader view of what is possible. . . Or is it narrower?
The Boundary Condition
SteamThe Boundary Condition is an award-winning puzzle-platformer that explores the physics of cross-sections. In each level, you may need to flatten into 2D or 1D in order to bypass obstacles. Squeeze through narrow gaps, climb steep slopes, and cross wide chasms.


Between the levels, discover the philosophical writings of a programmer who is working on a complex project involving a mysterious machine. The sunk cost continues to sink deeper, but surely she'll find a way to pull it together in the end, right? . . . Right?
Steam data © 2026 Valve Corporation. Trademarks are property of their respective owners.
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The best games like The Boundary Condition are The Bridge, Piece by Piece, Braid, Four Sided Fantasy, and Patrick's Parabox.
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