On April 23, 2008 it was announced that motorbikes and night-day cycles would appear in the Bikes Pack (formerly known as the “Davis” update), along with tailored locations, challenges and game modes.Criterion Games announced on August 5, 2008 that the update would also feature a new dynamic weather system, two starter bikes in the player’s junkyard, 70 new bike-only challenges, and special “Midnight Rides” challenges that appear only at night The Bikes pack was released on 18th September on both the PlayStation 3 and Xbox 360.