Alien mouths were immobile organic emplacements that functioned the same way as turrets. They also attack by shooting spores or parasites that home in on any enemies. Destroying the turret destroys the homing spores.
- Contra (video game) Level 8
- Super Contra Level 8
- Contra III: The Alien Wars Level 6
- Contra: Hard Corps Level 6 (Alien space ending)
- Contra 4 Level 9