Trap the ghosts by building a wall around them. When you fill 80% of the space you move to the next level. Beware: You lose one life if a ghost catches you! Play now!
Portal Defenders is a spiritual sequel to Newgrounds mini-games Castle Crashing the Beard and Pico Blast. Defend the NG portal through waves of Spam. 35 unique Newgrounds personalities are represented in this awesome action game.
