Primary Fire: Rockets. Hold down fire to rack up more rockets to launch

Secondary: Grenades that you can also queue for fire

A powerful monster of a gun that'll tear any enemy apart with a blast of molten metal shards, or blow them open with a single explosive shell.

Primary Fire: Fires molten metal shards that put any shotgun to shame

Secondary Fire: Lobs an explosive shell with a large blast radius

Also affectionately known as the Goop Gun, it fires blobs of tarydium sludge that will stick to all surfaces and explode when stepped on. Handy for leaving lethal traps over floors and walls for any pursuing enemy.

Primary Fire: Rapidly fires globs of adhesive sludge

Secondary Fire: Hold down fire and then eventually release a massive ball that either explodes into smaller globs or does a huge amount of damage to any opponent who happened to hit it mid-flight.

More and more games these days are including a Sniper Rifle and rightly so as they are invariably entertaining. Either camp happily and take off the odd head or two with the zoom mode or wander around the level using it as a high-powered and very accurate gun.

Primary Fire: Fire Sniper Round

Secondary Fire: Activate Zoom