K2

Valhalla Knights PSP

Marvelous Entertainment / K2

• 31st Aug 2006 (JPN)
• 17th Apr 2007 (NA)
• 30th Sep 2007 (UK/EU)

Countdown Vampires PS1

Bandai / K2

Valhalla Knights 2 PSP

Marvelous Entertainment / K2

• 29th May 2008 (JPN)
• 1st Oct 2008 (NA)
• 27th Jun 2009 (UK/EU)

Tenchu: Time of the Assassins PSP

FromSoftware / K2

• 28th Jul 2005 (JPN)
• 23rd Jun 2006 (UK/EU)

Valhalla Knights 2: Battle Stance PSP

XSEED Games / K2

• 25th Jun 2009 (JPN)
• 21st Jan 2010 (NA)
• 1st Sep 2010 (UK/EU)