A quick comment by Guerrilla QA manager, Seb Downie, stated that Killzone 2 will not require an install to the PS3 hard drive. In a world ruled by mandatory installs for PlayStation 3 titles, Killzone 2's non-requirement is a breath of fresh air.
Additionally, Killzone 2 will not even have an optional HDD install to contend with.
Additionally, Killzone 2 will not even have an optional HDD install to contend with.