For British developer Rebellion Developments, the move to the current generation of consoles has been a painful learning curve, plotted haphazardly from one lurching mistake to another. Shellshock 2: Blood Trails was an abortive attempt to resurrect Killzone developer Guerrilla Games' other franchise, and its 'zombies in Vietnam' setup fell desperately flat on account of every facet of the game remaining hideously unpolished. 7/10