Question: What action-adventure video game for the PlayStation Portable is a continuation of a game developed by Ubisoft?

Context paragraphs:
Tom Clancy's Ghost Recon Advanced Warfighter 2: Tom Clancy's Ghost Recon Advanced Warfighter 2 (GRAW 2) is a tactical shooter video game developed by Ubisoft Paris and Red Storm Entertainment and published by Ubisoft.  It was released for Xbox 360, Microsoft Windows, PlayStation 3 and PlayStation Portable.  It is the sequel to "Tom Clancy's Ghost Recon Advanced Warfighter".  High Voltage Software developed the game's PlayStation Portable version, while Grin developed the PC version.

Killzone (series): Killzone is a first-person and twin sticks shooter series of video games exclusively for Sony Computer Entertainment's (SCE) video game consoles.  The main series and the PlayStation Portable (PSP) installment were developed by Guerrilla Games, a subsidiary of SCE, and the PlayStation Vita installment was developed by Guerrilla Cambridge in the United Kingdom.  "Killzone" currently consists of six games spanning over the PlayStation 2, PlayStation Portable, PlayStation 3, PlayStation Vita, and the PlayStation 4.  The series began on the PlayStation 2 in November 2004 with "Killzone", and continued on the PlayStation Portable in October 2006 with "". " Killzone 2" was released for the PlayStation 3 in February 2009 , and "Killzone 3" was released in February 2011 , also for the PlayStation 3. ""  was released for the PlayStation Vita in September 2013, followed by "Killzone Shadow Fall", a launch title for the PlayStation 4, in November 2013.

Ghostbusters: The Video Game: Ghostbusters: The Video Game is a 2009 action-adventure game based on the "Ghostbusters" media franchise.  Terminal Reality developed the Windows, PlayStation 3, and Xbox 360 versions, while Red Fly Studio developed the PlayStation 2, PlayStation Portable, and Wii versions, and Zen Studios developed the Nintendo DS version.  The game was released after several delays in development and multiple publisher changes.  In North America, all versions of the game were published by Atari, while publishing in Europe for the PlayStation 2, PlayStation Portable and PlayStation 3 versions was handled by Sony Computer Entertainment.

Lego Pirates of the Caribbean: The Video Game: Lego Pirates of the Caribbean: The Video Game is a Lego-themed action-adventure video game developed by Traveller's Tales and published by Disney Interactive Studios and the first Lego game from a Disney movie.  Released in May 2011 to coincide with the release of "", the game is based on the "Pirates of the Caribbean" film series and its storyline covers the first four films.  The game is available on the Wii, Nintendo 3DS, Nintendo DS, Microsoft Windows, Xbox 360, PlayStation 3, Mac OS X and PlayStation Portable.

Lego Harry Potter: Years 1–4: Lego Harry Potter: Years 1–4 is a Lego-themed action-adventure video game developed by Traveller's Tales and published by Warner Bros.  The game is based on the Lego Harry Potter line and its storyline covers the first four films in the "Harry Potter" series: "Harry Potter and the Sorcerer's Stone", "Harry Potter and the Chamber of Secrets", "Harry Potter and the Prisoner of Azkaban", and "Harry Potter and the Goblet of Fire".  The game is available on the Wii, Xbox 360, PlayStation 3, Nintendo DS, PlayStation Portable, Microsoft Windows, OS X, iOS and Android.  The OS X version of the game was released on 22 February 2011 by Feral Interactive.  The game was released for the PlayStation 4 on October 21, 2016, as part of the "Lego Harry Potter Collection", which bundles the game with its sequel, "".

Assassin's Creed (video game): Assassin's Creed is an action-adventure stealth video game developed by Ubisoft Montreal and published by Ubisoft.  It is the first installment in the "Assassin's Creed" series.  The game was released for PlayStation 3 and Xbox 360 in November 2007, and was made available on Microsoft Windows in April 2008.

Lego Batman: The Videogame: Lego Batman: The Videogame is a Lego-themed action-adventure video game developed by Traveller's Tales and published by Warner Bros.  Interactive Entertainment, released in 2008 for the Xbox 360, PlayStation 2, PlayStation 3, PlayStation Portable, Nintendo DS, OS X and Wii video gaming platforms.  It is the first "Lego Batman" video game.  The game is based on the comic book character Batman and the Lego Batman toy line, who also handled marketing and financial aspects of the game.

Prince of Persia: The Two Thrones: Prince of Persia: The Two Thrones is an action-adventure video game developed and published by Ubisoft Montreal.  It was released in December, 2005 in North America for the Xbox, Microsoft Windows, PlayStation 2, and the Nintendo GameCube.  It was ported to the PlayStation Portable and Wii, under the title Prince of Persia: Rival Swords with the Wii version utilizing the motion-sensing functionality of its controller, while the PSP version added exclusive content.  A remastered, high-definition version of "The Two Thrones" was released on the PlayStation Network for the PlayStation 3 on December 21, 2010.

Assassin's Creed: Bloodlines: Assassin's Creed: Bloodlines is an action-adventure video game for PlayStation Portable, part of the "Assassin's Creed" franchise, taking place in between the events of "Assassin's Creed" and "Assassin's Creed II".  The game was developed by Ubisoft Montreal in conjunction with Griptonite Games and published by Ubisoft, it was released on November 17, 2009 in North America and November 20, 2009 in Europe, concurrently with "Assassin's Creed II" and "".

Lego Harry Potter: Years 5–7: Lego Harry Potter: Years 5–7 is a Lego-themed action-adventure video game developed by Traveller's Tales and published by Warner Bros.  Interactive Entertainment.  Released on 11 November 2011 in North America and 18 November in Europe, the game is based on the Lego Harry Potter line and is based on the final three books and four films in the "Harry Potter" series: "Harry Potter and the Order of the Phoenix", "Harry Potter and the Half-Blood Prince", "Harry Potter and the Deathly Hallows – Part 1", and "Harry Potter and the Deathly Hallows – Part 2".  The game was released for the PlayStation 3, Xbox 360, PlayStation Portable, PlayStation Vita, Wii, Nintendo DS, Nintendo 3DS, Microsoft Windows, iOS and Android.  The first trailer of three trailers was released 6 October 2011, and the demo was released on 1 November.  The game was released on Steam on 5 January 2012.  The OS X version of the game was released by Feral Interactive on 7 March 2012.  The game was released for the PlayStation 4 on October 21, 2016, as part of the "Lego Harry Potter Collection", which bundles the game with its predecessor, "".

Supporting paragraphs: Assassin's Creed: Bloodlines Assassin's Creed (video game)
Answer: Assassin's Creed: Bloodlines