Tunnels

Set on the mysterious planet Oris, Tunnels is a single-player mining metroidvania adventure.  You, the player, work for Atlas Corp; you have been sent to Oris to extract minerals.  As you delve into the depths of the planet, acquire resources, upgrade your tank, and dispatch the hostile denizens, you encounter an ancient conflict between a lost civilization and Oris itself.

Dig your way through the depths:

Build your itemization strategy.  Each item may be used for crafting, consumed for temporary bonuses, or kept in your inventory to grant passive bonuses:

Find schematics to upgrade five equipment slots:

Watch your tank evolve with each upgrade:

Survive challenging boss encounters: