—Image © Kixeye
In-game Sprite
Eye-ra Animation
Monster Locker Level2
RangeMelee (AoE)
Favorite TargetWalls
DescriptionWarning : Eye-ra's chemical make-up combusts within close proximity to any wall.
Special AbilityAirburst
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Eye-ra is a slime monster. Its body seems to consist only of a red, shapeless blob. There are no external body parts, such as legs or arms, that can be seen. On the top of the mass of slime is a huge, red eye.

Monster Information

"No need to get your eyes checked, I'm ready to be unlocked and ready to wreak havoc on your enemies. Send me into battle and I'll blow up any wall in sight. Trust me, my hatch time is well worth the wait."

Eye-ra is a very unique monster. It only targets walls, which is useful at the time a player unlocks it because most bases don't have walls yet, so Eye-ra attacks the buildings instead. Even if the base the player is attacking has walls, Eye-ra can destroy a part of the wall so other monsters will not get pathed into a Booby Trap. Eye-ra is the only monster that will instantly die when it attacks. But its sacrifice does not go in vain, as Eye-ra's amazingly high attack damage will decimate walls, enemy monsters, and champion monsters alike! They are also very effective in bunkers, for when they are released, (since you cannot launch walls into battle) they cause incredibly high damage to the invaders and send monster running!

Special Ability


Eye-ra lauches himself up dealing partial damage to air units and increased splash range and damage to ground targets.

  • This ability is in the second batch of released abilities.


Airburst allows Eye-ra to become an anti-air unit, helping defend against Teratorns when your Aerial Defense Towers just don't cut it. It also boosts the attack damage of Eye-ra to ground units, meaning more destruction.

Eye-ra Lab

Eye-ra Airburst

Level 1 Level 2 Level 3
Airburst Bonus Putty-icon Putty Time Airburst Bonus Putty-icon Putty Time Airburst Bonus Putty-icon Putty Time
20% Putty-icon 3,560,000 2d 30% Putty-icon 4,120,000 2d 6h 40% Putty-icon 5,120,000

2d 12h

Upgrade Progression

Level 1 Level 2 Level 3 Level 4 Level 5 Level 6
Movement Speed 2kph 2.2kph 2.4kph 2.6kph 2.8kph 3kph
Health 600 900 1,200 1,600 2,000 2,400
Damage 4,000 8,000 12,000 16,000 20,000 24,000
Goo Cost Goo-icon 5,000 Goo-icon 15,000 Goo-icon 30,000 Goo-icon 45,000 Goo-icon 60,000 Goo-icon 80,000
Housing Space 60 spaces 60 spaces 60 spaces 60 spaces 60 spaces 60 spaces
Production Time 25m 25m 25m 25m 25m 25m
Upgrade Cost Putty-icon64,000 Putty-icon64,000 Putty-icon128,000 Putty-icon192,000 Putty-icon384,000 Putty-icon512,000
Upgrade Time 8h 5h 7h 12h 1d 1d 12h


  • Project X , Eye-ra and Grokus are the only monsters that does not have any visible mouth.
  • It's the only kamikaze (suicidal) monster.
  • Eye-ra used to only deal damage to only one block.
  • Eye-ra used to take 100 spacing in the Monster Housing .
  • It used to take 50 minutes to produce.
  • In Eye-ra's original design, it looked like it was floating in mid-air. It the present design, it is on the floor.
  • Eye-ra has the highest attack damage in the game.
  • Eye-ra is the only monster with the "-" sign in it's name.
  • The only monsters that can kill eye-ra without getting harmed are D.A.V.E with rockets, Teratorn and Sabnox (but depending on both of their levels, you may need more......).
  • It is the second monster that does not have any legs, instead it moves with it's slime.
  • Eye-ra's name is Boomer and him favourite target is Anything (2x damage to walls) on Backyard Monsters Unleashed (iOs) 
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