EVE Online: Crucible — this expansion was introduced to improve existing aspects of the game. The expansion included new nebula graphics, an improved user interface, time dilation, and gameplay balancing. CCP has also added a line of Tier 3 battlecruisers that can accommodate battleship weapons, and remaining captain's quarters for the Amarr, Gallente, and Caldari races. In addition to this, the engine wake effect has been reintroduced.