Challenge mode: Use the available tools to fully mine each level - finishing on the bonus tile for an extra challenge. In Survival Mode: Descend through randomly generated levels, filling as many as possible to maximize your score - with even more tools at your disposal. Unlock bonuses that compliment your playing style, or challenge yourself with bonuses that increase the difficulty and score. There are 30 levels and a unique endless game mode. Have a great time playing Geologem!