Indie game storeFree gamesFun gamesHorror games
Game developmentAssetsComics

There's no guide apart from reading comments here, probably.

The extractor is best deployed on deposits >100.

Enemies don't drop loot when dying; any resources you may have seen were already sitting loosely on the ground around them. It's up to you to gauge whether it's worth going after them.

All of the resources are optional and are only there to prepare your crew for the final level.