Onion Force
https://game.giveawayoftheday.com/onion-force-3/
Endorlight
https://www.hrkgame.com/pl/giveaway/get-free-game/
Idle Champions of the Forgotten Realms - Celeste's Starter Pack
http://store.steampowered.com/app/714860/Idle_Champions_of_the_Forgotten_Realms__Celestes_Starter_Pack/
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From @discojockey12