Portal 2: Light Bridge - Level Design
Key Design Goals
- Explore Lightbridge Mechanics: The entire level centers around this single mechanic, allowing players to progressively discover and master its various applications.
- Progressive Challenge Design: Puzzles introduce concepts in logical sequence with gradually increasing complexity, encouraging both object manipulation and creative player interaction with physics.
Design Process

Established Lightbridge versatility as the central design pillar.
Four distinct puzzles building from basic portal interaction to advanced player movement manipulation.
Puzzle 1: Basic Lightbridge & Portal Interaction
Basic Lightbridge & Portal Interaction
Puzzles 2-3: Object Manipulation
Object Manipulation
Puzzle 4: Player Movement Manipulation
Player Movement Manipulation
Iterative Testing