1. Portal 2
Developer: Valve
Rating: 98% of 353,057 ratings are positive
Price: 9.75 €
Release: April 19, 2011
What is Portal 2 about? As in the first part by Valve, it involves solving puzzles using the portal gun. The laws of physics are still a major part of the connected portals.
Compared to its predecessor, there are many innovations. Using light bridges, tractor beams, and gels with various effects, you must master new challenging puzzles. Also new in Portal 2 is the co-op mode with its own story that takes place after the main campaign.
Portal 2 makes everything bigger, better, and more varied than its predecessor.
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