Like most of the gaming press, GamesRadar has been taking some time lately to trudge through a pre-release copy of Killzone 2, and – in a shocking twist for a game that's under tremendous pressure to be good – it's pretty good. However, in their early attempts to play the game berserker he-man style (usually tantamount to suicide in any shooter that features a "cover" button), they found an interesting flaw that pops up mainly in Killzone 2's early levels.