The most viable way to experience Sonic Unleashed on original PSP hardware is through the . This project adapts the 2D Gameloft mobile version to be playable on the PSP via a Java emulator.

No official version of Sonic Unleashed was ever released for the Sony PlayStation Portable. During its initial launch, SEGA focused on three distinct versions of the game: Developed for Xbox 360 and PlayStation 3.

Developed by Dimps for the Wii and PlayStation 2.

For those looking to explore the series further on original hardware, you can find physical copies of the PlayStation 2 version on sites like eBay or Amazon, which offers a gameplay style similar to what a PSP port might have looked like.

A 2.5D side-scroller that captures the environments of the main game.