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Portal 2 review
Exceptional
by Kyle Weber

Portal 2 is an amazing game:  the core puzzles are perfectly executed (if a bit easy), the humor is good enough that most of the jokes land even on the second (or later) playthrough, the storyline is very engaging, the characters are extremely well-written, the voice acting is better than many movies that saw a theatrical release, the world-building is amazing, and just playing around with a portal gun gives the players so much flexibility in how to confront each level that the game feels open-ended in spite of having a tightly crafted linear story. 

Haven't played the co-op in years so I can't comment on that aspect but the fact that you can get this game on sale for under $5 is insane given the quality.  Did I mention that the gameplay decision decisions and graphics feel like something an AAA might still release today even though the game came out years ago? 

Recommended more than even this laudatory review suggests, just get it already!
«Blew my mind»
«Can’t stop playing»
«Time-tested»
«Better with friends»
«That ending!»
«Beaten more than once»
«OST on repeat»

Other reviews33

Arguably one of the greatest puzzle games ever created, and Valve's magnum opus. Portal 2 did what seemed impossible: it took Portal, a four-hour little curio made as an added-extra for The Orange Box, and turned it into a fully fleshed out campaign that added new elements, new characters, and a superb co-op mode without sacrificing any of the charm, puzzles, or comedy of the original. 
«Time-tested»
«Beaten more than once»
Amazing, top 5 best games ever played. Played back in 2017 and was a blast figuring out the puzzles
When they transfer my consciousness into a stadium-sized supercomputer, the vast flow of information will drive me insane. (c) Cave Johnson

The program that drives everyone mad. By this fact we can realize that any module will be poisoned by it. That's what happened to Wheatley. This is a nice story with a blurred notion of morality. Someone must to control this system and the only one, as it turns out, is GLaDOS.
«Blew my mind»
«OST on repeat»
Cool conception, great game
«Blew my mind»
«Can’t stop playing»
One of the best puzzle games of all time.
i cant say anything that hasnt already been said about this game 
«Blew my mind»
«Can’t stop playing»
Wanna hate your friends? This is how you do it
«Better with friends»
Игра супер! Шедевр однозначно!
«Blew my mind»
«Time-tested»