Dig too deep, they said. What could possibly go wrong?

Venture into our hollow earth — part platformer, part defense game, part bad idea.

Build a base, fend off uninvited guests, and uncover ancient secrets you were absolutely not meant to find.

Go solo or team up for classic couch-co-op chaos — the kind where you and your friends yell “I told you not to press that button!” right before everything explodes.

Build your Base

Each level is scattered with mysterious red crystals — or, as we call them, “conveniently pre-approved construction zones.”

Use them to place buildings, turrets, or whatever contraption you think will stop the incoming horde. Choose wisely — build spots are limited, and enemy attack paths have been described by experts as “unpredictable” and “mildly rude.”

Harvest Resources

Turns out, simply obliterating your enemies doesn’t pay the bills. To gather resources, you’ll need to roam the map in search of chests stuffed with random goodies.

You’ll also find blue crystals scattered about — harvest them for funds, upgrades, and the comforting illusion of economic stability.

Defend your Base

Your base is more than a pile of turrets — it’s your lifeline. Spend your hard-earned loot on new weapons, gadgets, and upgrades, then mix firepower with fortifications to hold the line.

Survive the waves, protect your HQ, and try not to look too surprised when it actually works.