From Photonik Games:
Outer-Rim Pod Digger is a hybrid strategy/puzzle (stratpuzzle) game which pits you, the almightly pod digger, against all odds as you have to rescue the poor Bubblemen from the lifepods deep within the martian soil. During the course of the game you will explore and excavate more then 60 sites spanning over 4 fully detailed worlds. With a full array of the latest in planet mining technologies at your disposal including ultra-steel girders and energy lifts. Build, dig and blow out pathways. Help your martian buddies to evacuate the helpless Bubblemen!