Pesticide Guns
The following Pesticide guns will become available when you reach Rank 8 of the corresponding Armour class. You can only reach Rank 8 by playing under the Inferno difficulty setting.
Trooper Armour Class:
Pesticide Cannon (Tier 8 Rocket Launcher).
Battle Armour Class:
Pesticide Mortar (Tier 8 Grenade Launcher).
Tactical Armour Class:
Pesticide Missile (Tier 8 Missile Launcher).
Jet Armour Class:
Pesticide Rifle (Tier 8 Sniper Rifle).
Remixed Campaign Missions
When you complete a mission in the main campaign a remixed version with new enemies will become unlocked.
Single-Player Mode Without Bots
The ability to play Single-Player mode without bots becomes available when you complete the game on the Normal difficulty setting.