Build it, power it, defend it

Stage 1: Ferry Terminal, Harbor Small rooms.
Stage 2: Airfield, Train Yard, Water Treatment, Sewer Branch, Radtown and Power Plant rooms.
Stage 3: Launch Site, Military Tunnel and Missile Silo rooms.
Stage 3 to 4: The Airfield airdrop and Chinook call terminals.

Every tier has the same 20 shapes. Pick the tier to match your upkeep budget.

BUILDING

Every tier has the same 20 shapes. Pick the tier to match your upkeep budget.