Full version of Portal Prelude v1.1, the mod for the game Portal. This version includes bug fixes and easier puzzles compared to the previous version.
Upates Portal Prelude, the mod for the game Portal, to v1.1. It fixes bugs and makes some puzzles easier.
Updated to v1.1.5. Portal: Prelude, is an unofficial prequel to the game Portal. Its story revolves around the pre-GlaDOS epoch, even before she was plugged in.
Map pack based on Portal - The Flash Version that translates the web-based game back to Portal itself.
Check out tips and tricks from Prima Guides. This PDF is a free preview of the full guide. The Portal PDF includes a basics guide, and a walkthrough of test chambers 9, 10, 11, 12, and 13.
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