Factorio is gonna drain your brain.

Factorio

10.0

Get

You crash landed on a primitive planet full of giant bugs who don't want you on their planet.

It's your job to mine ores, make assembly lines, and slowly build up a factory with more complex materials to build another rocket.

Your Factory will get faster, better and stronger as you develop ways to hold off the swarms of bugs.

You're essentially in an evolutionary arms race against the bugs that slowly get bigger and deadlier with time and pollution your factory creates.

I know 35 dollars might be expensive for a pixel game, but it's very complex and micro managing that you'll spend the first week trying figure out what works and what doesn't.

Now, there is technically an end to the game, but after you create your get home rocket. You can still play in the world you created

They allow mods and it is fully customizable, there's even mods that make it a completely separate game that allows you to go to space.