Another free to play opportunity - this one is for Grounded which is rated very positively in more than 10,000+ reviews even though it is still an Early Access game.
From the website:
The world is a vast, beautiful and dangerous place – especially when you have been shrunk to the size of an ant. Explore, build and survive together in this first person, multiplayer, survival-adventure. Can you thrive alongside the hordes of giant insects, fighting to survive the perils of the backyard?
Explore this immersive and persistent world, where the insect life reacts to your actions.
Shelter and tools are critical to your survival. Build epic bases to protect you and your stuff from the insects and the elements. Craft weapons, tools, and armor, allowing you to better fight, explore and survive.
You can face the backyard alone or together, online, with up to three friends - the choice is yours.
Uncover the secrets lurking in the shadows of Grounded as you freely explore the backyard and progress through its mysterious story.