Killzone Liberation is a third-person tactical shooter developed by Guerrilla Cambridge and published by Sony Computer Entertainment for the PlayStation Portable. Released in 2006, it serves as a direct sequel to the original Killzone on PlayStation 2, carrying the story forward as ISA soldier Captain Jan Templar works to rescue high-value hostages from the brutal Helghast forces. Unlike its predecessor, which used a first-person perspective, Liberation shifts to an isometric, top-down viewpoint that gives players a wider tactical view of each battlefield. This change proves well-suited to the PSP hardware, allowing Guerrilla Cambridge to build wide, open level designs with multiple paths and enemy positions. The Helghast remain one of gaming's most visually striking enemy factions, dressed in their iconic red-eyed gas masks and carrying a distinct militaristic presence throughout the campaign. The game stands out on PSP as one of the most visually polished and mechanically refined shooters on the platform.
Updated: Jun 22, 2026
Screenshots

668 MB · PSP ROMs
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Specifications
| Platform | PSP ROMs |
|---|---|
| Genre | Strategy |
| File Size | 668 MB |
| Release Year | 2006 |
| Developer | Guerrilla Cambridge |
| Updated | Jun 22, 2026 |
Overview
Killzone Liberation is a third-person tactical shooter developed by Guerrilla Cambridge and published by Sony Computer Entertainment for the PlayStation Portable. Released in 2006, it serves as a direct sequel to the original Killzone on PlayStation 2, carrying the story forward as ISA soldier Captain Jan Templar works to rescue high-value hostages from the brutal Helghast forces. Unlike its predecessor, which used a first-person perspective, Liberation shifts to an isometric, top-down viewpoint that gives players a wider tactical view of each battlefield. This change proves well-suited to the PSP hardware, allowing Guerrilla Cambridge to build wide, open level designs with multiple paths and enemy positions. The Helghast remain one of gaming's most visually striking enemy factions, dressed in their iconic red-eyed gas masks and carrying a distinct militaristic presence throughout the campaign. The game stands out on PSP as one of the most visually polished and mechanically refined shooters on the platform.
Killzone Liberation spreads its campaign across four chapters, each divided into multiple missions set across varied environments including industrial facilities, snowy mountain passes, and urban combat zones. Players take control of Templar and must complete objectives ranging from eliminating enemy commanders to escorting allied personnel through hostile territory. The game features a cover system that lets Templar press against walls and structures, adding a layer of tactical thinking to encounters against the well-armed Helghast. Players collect a range of weapons throughout the campaign, including assault rifles, shotguns, rocket launchers, and sniper rifles, with ammo management playing a key role in survival. The game also supports ad-hoc multiplayer for up to four players, letting friends compete in separate challenge missions distinct from the main story. Sony released a downloadable fifth chapter as additional content, extending the campaign further. Killzone Liberation delivers a focused, high-quality action experience that holds up as one of the PSP library's strongest military titles.