Barrier

Barrier may refer to:

The weapons:
 * Big Bubbler
 * Big Bubbler

The blockades:
 * Area Gates in the story modes
 * Barriers that block inaccessible areas
 * Closed fence to Grizzco
 * DJ Octavio's snow globe's tank
 * Ink Piston or Ink Stick
 * Octobot King's barrier
 * Rainmaker shield
 * Spawn barrier
 * The baskets in Clam Blitz
 * The containment chambers in the Shifty station stage The Bunker Games
 * The gates in the Shifty station stage The Switches