Portal: The Flash Version is a sidescrolling 2D platforming game, which takes advantage of Portal's most well-known mechanic, namely the portal gun. Many other objects from Portal are also included in the 2D world, such as Energy Balls, Weighted Storage Cubes, and Sentry Turrets.
Description by Half-Life Fandom
Controls are displayed in-game
Everyone
Game Engine: Adobe Flash | Emulated with Ruffle
Original Release Date: October 9, 2007
Release Date on MaxiGames: September 19, 2023