There are currently three games that can be claimed for free in the Steam store.

Happy's Humble Burger Farm (until 1300 GMT 15th) - Thanks ◯A⠀◯B⠀⬤C⠀◯D

The Red Lantern (until Steam Dawn on the 18th) - Thanks thales_ulisses

Eets (until Steam Dawn on the 15th) - Thanks IonutzV

LH
Actual games this time, that's different