Factory got improved: now there is a conveyer! Match robots to digg to the next level and upgrade bonus robots. Every new level you have more work to do, as more and more robots get invented by the factory crazy marketing department.

Match 3 or more robots and don't let the shop fill up.

Match more than 3 to multiply points and get combos.

Dig till ZERO line to get to the next level, get bonus upgrades and new robots.