The Entropy Centre' is a first-person puzzle game with heavy 'Portal' vibes
Portal Chapter 7 (Puzzle 15) - Gamer Walkthroughs
Portal 2 Puzzle Maker: Observation Room - Valve Developer Community
Pop open a portal with this fantastic puzzle game | Lowvelder
Portals | Series Introduction
Steam Community :: Guide :: How to Create Good Logical Puzzles
Portal 2 puzzle editor looks gorgeous | The Wanderer
Portal 2 Puzzle Creator in internal beta testing now, will use Steam Workshop | PC Gamer
Portal Chapter 3 (Puzzles 08 – 09) - Gamer Walkthroughs
Portal/Chamber 00 — StrategyWiki, the video game walkthrough and strategy guide wiki
Portal Chapter 2 (Puzzles 04 – 07) - Gamer Walkthroughs
![Portal [PC] – Review | My Brain on Games](https://mybrainongames.files.wordpress.com/2015/07/portal-puzzles.jpg "Portal [PC] – Review | My Brain on Games")
Portal [PC] – Review | My Brain on Games
Portal 2 on Steam
The 10 Best Games Like Portal If You Love Puzzles
Portal Puzzle Solved! : r/gaming
Portal 2 Is More Than A Mere Puzzle Game - YR Media
/cdn.vox-cdn.com/uploads/chorus_image/image/1953193/portal_2_pti.0.jpg "Portal 2' puzzle maker now supports design for two-player co-op maps - Polygon")
Portal 2' puzzle maker now supports design for two-player co-op maps - Polygon
Portal Stories: VR' Brings Aperture Science Puzzles to VR
1: The physics puzzle game portal | Download Scientific Diagram
Portal 2 Level Design: Creating Puzzles to Challenge Your Players
Portal Chapter 7 (Puzzle 15) - Gamer Walkthroughs
Check Out The Entropy Centre, A Portal-esque Puzzle Adventure Game, In This New Gameplay Trailer - Game Informer
Portal: Companion Collection: Brilliant puzzle collection put to the test - Latest Game Stories
Portal 2 Single-Player Walkthrough - Chapter 4: The Surprise - Puzzle 20 - YouTube
