Xtractorz
Choose an expedition, mine rocks, and don't forget to protect your ship from the void monsters. They won't let you leave without a fight. This is an online co-op game with up to 4 players.
Xtractoz is a Farming / Tower defense game. Your mission is simple, collect rocks, but watch out for the void monsters because they won't let you. You can play solo, or with up to 4 players.
Choose your expedition.
Equip one tool and helmet.
Upgrade your ship. As you upgrade your ship, you will unlock new turrets.
Upgrade your stats to be more efficient at work.
Select the turrets you want for your expedition.
Unlock New Areas
On each map, certain areas are locked and require payment to access. Each area has rocks to collect and different activities to do.
Collect Rocks
Reach your expedition's rock quota to be able to leave. You can stay longer if you want to collect even more rocks.
Protect Your Ship
Don't forget that you are not alone on your expedition, and you will have to protect your ship in order to leave.