
GRIDMINE is a retro tower defense built around incremental progression. Survive for as long as possible, then return to your skill tree to spend extracted resources on tower-based upgrades and abilities.
Play a level, survive for as long as you can. Use the crystals you collect to upgrade your towers, enabling your next run to be longer and more profitable.
Levels can be completed with many different builds. Experiment and invest in your specific playstyle.
Each level has a set of specific challenges. Refund skill tree purchases and strategize to complete a second layer of meta progression.