Portal: First Slice
Free to play
Estimated Revenue
This premium-sales model does not estimate free-to-play or in-game revenue.
Gross RevenueUnavailable
OwnersUnavailable
Reviews218
Positive96%
About Portal: First Slice
Help yourself to a generous, 11-level serving of Portal: First Slice, the official demo for the game that challenges you to think with portals. The winner of numerous Game of the Year awards introduces you to the test chambers at the Aperture Science Enrichment Center, where you'll learn to solve physical puzzles by opening portals to maneuver objects, and yourself, through space.