The 20 best Mac games
Portal 2 ($9.99)
Image by Valve
Portal 2 may be the perfect game. It’s a puzzler at heart, but it injects those puzzles—which involve the best placement of the titular portals, which you create with a gun—into a masterful concoction of science fiction, memorable characters, and even a catchy song. It’s both memorable and challenging, and those challenges are designed in such a way that you feel triumphant when you finish.
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