One of the best virtual reality games of all time, Half-Life: Alyx, is on sale this week. You can get the full game from the Steam store for $29.99 (regular price is $59.99). This game works on the Oculus Rift, HTC Vive, and Valve Index headsets (does not support Oculus Quest) and the sale ends July 7th.
Game: Half-Life: Alyx
Price: $29.99
Platforms: Oculus Rift, HTC Vive, Valve Index
