Ratchet & Clank: Size Matters

Ratchet & Clank: Size Matters
North American PlayStation Portable box art
Developer(s)High Impact Games
Publisher(s)Sony Computer Entertainment
Designer(s)
  • David Goodrich
  • Lesley Mathieson
Programmer(s)
  • Jared Hardy
  • Jason Fourier
  • Justin Wilder
Artist(s)
  • Atsuko Kubota
  • Colin Raesler
  • Lloyd Murphy
Writer(s)Oliver Wade
Composer(s)David Bergeaud
SeriesRatchet & Clank
Platform(s)PlayStation Portable, PlayStation 2
ReleasePlayStation Portable
  • NA: February 13, 2007
  • EU: May 11, 2007
  • AU: May 24, 2007
  • JP: June 28, 2007
PlayStation 2
  • NA: March 11, 2008
  • AU: March 27, 2008
  • EU: March 28, 2008
  • JP: July 3, 2008
Genre(s)Platform, third-person shooter
Mode(s)Single-player, multiplayer

Ratchet & Clank: Size Matters is a 2007 third-person shooter platform video game developed by High Impact Games and published by Sony Computer Entertainment for the PlayStation Portable. A spin-off of the Ratchet & Clank series, it is the first game in the series to be released for a handheld console. Developer High Impact Games consisted of former employees of series creator Insomniac Games. A port to the PlayStation 2 was released the following year.

The PSP version received generally positive reviews from critics, while the PS2 version received mixed reviews. The game sold 4.4 million units. The PSP version was re-released in July 2024 for the PlayStation 4 and PlayStation 5.