Great Filter

“Great Filter” is a 2D, top-down view, strategy game, with original mechanics. The game consists of 46 levels. Each level takes approximately 30-60 seconds to clear. The goal of each level is to get the keys on the left road within time limit. There are several steps to get the keys:

Step 1: Players should operate two characters working on mines.

 Mines are scattered in level maps. Some mines are near to characters, and some are far.