Only the current version so far — new entries appear as the game ships updates.
Tunnel Defense: Mining Crew. Protect the ore carts from advancing enemies in three parallel tunnels:. Driller : Creates protective barriers. Blaster : Deals area damage to multiple enemies. Welder : Repairs damaged tunnel sections. Select a specialist card, then tap a tunnel slot to deploy. Drag units to adjacent positions during lulls. Keep ore cart health above zero to win. Survive as long as possible and achieve the highest score!