"Sven Co-op" on Steam. Not exactly from 2019, but it got some major updates this year, so itkinda fits.
https://store.steampowered.com/app/225840/Sven_Coop/
It's a free Half-Life's coop with a lot of mods, difficulty settings, campaings from other mods and so on.
Quite fun. And very addictive - it's easy to not notice how you skipped over 10 hours, playing this thing.
Gaming Discussions
Best free games 2019?
Submitted by fiji, 30-06-2019, 04:20 PM, Thread ID: 135533
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