Portal: Prelude is an unofficial prequel to the game Portal, developed by an independent team of three. The game features a brand new storyline focusing on the pre-GLaDOS era of Aperture Science where test subjects are monitored by employees of the facility. The game spans across 8 chapters covering 19 test chambers which follow a gradual learning curve similar to that of Portal. In addition, 16 challenge maps and 6 advanced test chambers are included with the mod.
Many gameplay elements from Portal make a return in Prelude, while entirely new gameplay devices were created exclusively for the mod, such as localized gravitational fields. Portal: Prelude also features over 400 lines of text to speech, with English, French and German subtitles.
#Portal #Portal2 #prelude
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Portal (2008) PC
Complete Walkthrough / Full Game Mod
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⏱ Timestamps
0:00:00 - Test Chamber 00
0:01:57 - Test Chamber 01 - Get the Orange
0:03:40 - Test Chamber 02 - Climb the Pipe
0:04:49 - Test Chamber 03 - Get the Blue
0:05:55 - Test Chamber 04 - Cross the Gap
0:06:58 - Test Chamber 05 - High Expectations
0:08:10 - Test Chamber 06 - Low Expectations
0:09:03 - Test Chamber 07 - Disintegration
0:10:13 - Test Chamber 08 - In a Hurry
0:11:12 - Test Chamber 09 - Fly Little Girl, Fly!
0:12:13 - Test Chamber 10 - Upside Down
0:13:04 - Test Chamber 11 - Energy Orb
0:14:36 - Test Chamber 12 - Derivations
0:16:09 - Test Chamber 13 - Duplications
0:18:00 - Test Chamber 14 - Battlefield
0:20:51 - Test Chamber 15 - Mind Maze/Wargame
0:27:56 - Test Chamber 16 - Loopback
0:31:25 - Test Chamber 17 - Through the Walls
0:37:45 - Test Chamber 18 - Companion Cube Hell
0:40:57 - Test Chamber 19 - Think Outside the Rooms
0:50:27 - Party
0:52:44 - Exploring Aperture Science
0:58:23 - GLaDOS: Activation
1:01:23 - GLaDOS: Avoid the Traps
1:04:32 - GLaDOS: Find the Morality Core
1:08:46 - GLaDOS: Install the Morality Core
1:09:52 - Ending
1:11:14 - Credits
1:14:56 - Post-Credits Scene
![](https://i.ytimg.com/vi/yzIOIj5RWuM/maxresdefault.jpg)