Portal Series_1

How to Play

Employ the keyboard to interact with objects in the game. Press on elements to select them. Move items to position them in the correct location to complete the puzzle. Combine different objects to form new tools or unlock pathways. Move your character through the portal to move to the next level. Notice the setting for hints that can help solve puzzles. Redo if you make a mistake to find the correct solution. Solve all puzzles to unlock new levels and tests.