Koopa Soldiers are enemies in HTFA 2. They appear in Bowser's Spaceship level and Flippy, Secret Boss secret level as an enemy accompanying Flippy.

Koopa Soldiers are dark green-skinned, blue-shelled and blue bandanna-wearing Koopas. A Koopa Soldier is always seen piloting a mech that shoots flame shots. Despite appearing to be tougher than other enemies, Koopa Soldiers die in one hit.