These are the first units obtained for your Force and can be very important tactical units for both defense and attack. Some Infantry units fall into other categories as Naval, Aerial, or Righteous.
| Infantry Units |
|---|
| Arc Trooper ~ Aquabat ~ Bazooka Marine ~ Bonestalker ~ Carbine ~ Commando ~ Concussive Guard ~ Exosoldier |
| Expert Infantry ~ Flame Guard ~ Front Line Warrior ~ Gunjack ~ Havoc ~ Heavy Infantry ~ Immortal ~ Imperial Infantry |
| Infantry ~ Jet Trooper ~ Knight ~ Lacerator ~ Marine ~ Marksman ~ Medic ~ Navy SpecOps ~ Neocyte Guard |
| Rally Infantry ~ Rocket Infantry ~ Sabre ~ Sawblade ~ Shock Grunt ~ Sneaky Brute ~ Zealot |