The Visitor (Aen 10)

Characters

 * Aen Tempest
 * Seth Tank
 * Azmuth
 * Xylene (first appearance)

Villains

 * Kraab
 * Psyphon

Aliens used

 * Four Arms
 * Terraspin (x2)
 * Ditto (accidental transformation selected alien was Diamondhead; cameo)
 * Unknown new alien
 * Unknown new alien
 * Diamondhead
 * Xylofreeze (first appearance)