This is a quick guide on how to counter certain units or forces thrown at you in Command and Conquer 3.
As GDI
*Counter Scorpion Tanks with Medium Tanks, Orcas, and maybe even some rocket soilders.
*Counter Raiders, Bikes, and Stealth Tanks with Medium Tanks and some rocket soilders.
*Counter Seekers, Gunwalkers, Corruptors, and Devourer Tanks with Medium Tanks and Rocket Infantry.
*Counter NOD or Scrin air units with pitbulls and APCs with rocket soilders, along with AA turrets in your base.
*Counter Avatar with Medium/Mammoth Tanks, Zone Troopers, and Orcas. Orcas will rip Avatars apart, so use them.
*Counter the Anihilator Tripod with Medium/Mammoth Tanks, Zone Troopers, and Orcas. Orcas will also tear up the Anihilator Tripods as well.
*Counter Enemy infantry with rail gun tanks, APCs, or Zone Troopers.
*Counter Enemy base defences with Tanks, Rocket Infantry, Zone Troopers, Orcas, or Firehawks.
As NOD
*Counter Medium Tanks and Seekers with a larger number of Scorpion Tanks and some rocket soilders.
*Counter APCs, Pitbulls with Scorpion Tanks and some rocket soilders.
*Counter Gunwalkers, Corruptors, and Devourer Tanks with Scorpion Tanks, Stealth tanks, and Rocket Infantry.
*Counter Scrin or GDI air units with Stealth Tanks, Bikes, Raiders, and Rocket Infantry, along with SAM turrets in your base.
*Counter Mammoth Tanks with Avatars, Venoms with a laser upgrade, and vertigo bombers.
*Counter the Anihilator Tripod with Avatars, Venoms with a laser upgrade, and vertigo bombers.
*Counter Enemy infantry with the Avatar, Venoms, Raiders, and Shadowteams.
*Counter Enemy base defences with Avatars, Rocket Infantry, Venoms, Vertigo Bombers, and Scorpion Tanks.
As Scrin
*Counter Medium Tanks and Scorpion Tanks with Seekers and Shock Troopers.
*Counter APCs, Pitbulls with Seekers and Shock Troopers.
*Counter Raiders, Bikes, and Stealth Tanks with Seekers and Shock Troopers.
*Counter NOD or GDI air units with Seekers, Upgraded Shock Troopers, and the Planetary assault carrier, along with Plasma missile batteries in your base.
*Counter Mammoth Tanks with Anihilator Tripods, Storm Riders, and the Planetary assault carrier.
*Counter the Avatars with Anihilator Tripods, Storm Riders, and the Planetary assault carrier.
*Counter Enemy infantry with the Anihilator Tripods, Buzzers, and Gun walkers.
*Counter Enemy base defences with Anihilator Tripods, Shock Troopers, Storm Riders, and the Planetary assault carrier.