CONTROLS:
WASD: Move/Fly | Space/Shift: Rise/Sink OR Throttle
Mouse: Camera/Flight control | Q/E: Fire/Bank
C: Layer transitions | H: Lights | T: Wireframe
LAYERS: Underwater ↔ Surface ↔ Carrier ↔ Aircraft
CITIES: Find sinkholes underwater, press C to enter
AIRCRAFT: W to start takeoff, Mouse to fly