How To Play Tunnel Heist

You just cracked the vault. Now dig your way out. Tunnel through a dark vault floor collecting rubies, emeralds, diamonds, and gold bars before the guards seal the exits. Your tunnel trail is your greatest danger — double back and it collapses on you. Grab gems fast to slow the closing walls and push deeper for an Escape Bonus multiplier. How much can you haul before youre BUSTED?