Steam Free Weekend: XCOM 2, HELLCARD, Glassbreakers: Champions of Moss.
https://store.steampowered.com/app/268500/XCOM_2/ https://store.steampowered.com/app/1201540/HELLCARD/ https://store.steampowered.com/app/887330/Glassbreakers_Champions_of_Moss/ *Note that Glassbreakers is VR only.