Micro Machines V4 is a racing video game developed by Supersonic Software and published by Codemasters for the PlayStation Portable (PSP). Released in 2006, it is part of the Micro Machines series, which features miniature vehicles racing across various improvised tracks. The game offers a range of single-player challenges and multiplayer options, with a vast selection of miniature vehicles to choose from. Players can compete in different environments, which include the likes of kitchen tables, gardens, and workshops, adding a unique charm to the racing experience.