Setup: Players sit on opposite sides of the car and look out their windows.
Gameplay: Players can only spot animals on their side of the car.
Winning: Reach a score of 1000 points by the end of the car ride.
Special Cases:
Graveyard: Spot a graveyard, the other player loses 20 points.
New Species: See a new type of animal for 50 bonus points. Then set a future value for it.
Roadkill: A dead animal is worth half its normal points (rounded up).