Soulcalibur IV[b] is a 2008 fighting game developed and published by Namco Bandai Games for the PlayStation 3 and Xbox 360. As the fifth main entry in the Soulcalibur series, it marks a significant evolution in gameplay with enhanced graphics and new features compared to its predecessor Soulcalibur III (2005), including the introduction of three guest characters from the Star Wars franchise: Darth Vader, Yoda, and the Apprentice. The game introduces a variety of modes, such as Story, Arcade, and the innovative Tower of Lost Souls, where players face challenges for rewards. It also includes an extensive Character Creation mode, allowing for detailed customization of fighters, and a new online multiplayer feature that enables players to compete in both Standard and Special VS modes. Notably, the Critical Finish system and the unique Force Meter mechanics for guest characters add depth and strategy to combat. This installment is recognized for its contribution to the franchise, paving the way for future developments. The game received mainly positive reviews; it was followed by a handheld title, Soulcalibur: Broken Destiny (2009), and later a full sequel, Soulcalibur V (2012).