Gang of Four is a 1-4 player card game from Days of Wonder/Asmodee Digital. Free on Steam until 05 April.
Pinball FX3 Care Package is free on Steam until 07 April.
Hob and Gone Home joins Drawful 2 as being available for free on Epic Games until 09 April.
It is still Friday, so this makes it in here as well. Symmetry is available for free on GOG.com for the next 47 hours.