Flying around a potato.
Bit of control tuning.
Lightmap generation. (Unused for now.)
Collision detection.
Destructible terrain.
Object oriented.
Spawn passengers.
Pick up passenger.
Drop off passengers.
Buildings.
Display financials at top of screen.
Highlight transactions.
Time-dependent bonus.
Avoid placing objects close to the taxi.
Shops.
Bombs.
Debt payment tweaks.
Particle effects.
Shop price tuning.
Display bombs in inventory.