13 Minutes of Half-Life: Alyx gameplay with developer commentary! : r/ HalfLife

Half Life 2 can now be played on Android thanks to a developer called Nillerusr. He made a port of the NVIDIA Tegra version of the game. Screenshots taken from my Samsung

Half-Life 25yr developer commentary Ch.4&5: Office Complex & We've Got Hostiles

Half-Life: Alyx - 13 Minutes of Valve Commentary - IGN First

Half-Life: Alyx Rock Paper Shotgun

Half-Life: Alyx (Video Game 2020) - IMDb

Half-Life: Alyx Announcement Trailer

Half-Life: Alyx Full Playthrough [no commentary] (Part 3)

Are you ready to Return to Rapture? : r/virtualreality

Every weapon in Half Life Opposing Force : r/HalfLife

Half-Life ALYX - Commentary Update