Portal: Forbidden Testing Tracks

Portal 2

Base game

Portal 2

92%

Portal

83%

BioShock

90%

Half-Life

84%

Grand Theft Auto V

89%

Grand Theft Auto: Vice City

91%

The Legend of Zelda: Breath of the Wild

95%

Mass Effect 2

93%

BioShock Infinite

89%

Horizon Zero Dawn

88%

Tomb Raider

83%

Life Is Strange

81%