Co-op rat-smasher Warhammer: Vermintide 2 is free to play on Steam this weekend

If you've been gripped with a sudden, feverish desire to wallop some magical, man-sized rodents this weekend, but are struggling to locate a suitable outlet for your needs, perhaps you'd like to head over to Steam, where developer Fatshark's enjoyable four-player co-operate rat-smasher Warhammer: Vermintide 2 is having a free weekend.

Vermintide 2 - which is free to try right now until Sunday, 24th November - plays out a little something like a furrier version of Valve's classic Left 4 Dead series. Combat is brutal - full of sword-swinging, axe-smashing, spell-casting, arrow-finging, and even the occasional gun - and the swarming hordes are giant rodent horrors, rather than your usual undead.

The goal is simple enough; four players, each adopting one of five distinct character classes - Bright Wizard, Waywatcher, Witch Hunter, Dwarf Ranger, and Empire Soldier - must make it through to the end. Death is inevitable and co-ordination is key.

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