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Regular Ion BlasterNeutron GunLaser CannonVulcan ChaingunLightning FryerPlasma RifleUtensil Poker
Superweapons MissilesMines
Milky Way Solar SystemEarthComet ChaseMeteor Storm
Playable The Hero
NPCs Narrator
Rookie-unlocked Secret WeaponSuper Secret Mine BombsDamage Indicator
Veteran-unlocked Superstar HeroProgress IndicatorPoints Indicator
Superstar Hero-unlocked Clupea Harengus
Enemies & Bosses
Enemies Ordinary ChickenBalloon ChickenAsteroidUFOChestCometRogue MissileEgg ShipEgg Drone
Bosses Big ChickenU.C.O. AMother-Hen ShipSweater ChickenU.C.O. BMysterious ShipU.C.O. CU.C.O. DThe Yolk-Star™
Powerups Ion Blaster Gift • Neutron Gun Gift • Laser Cannon Gift • Vulcan Chaingun Gift • Lightning Fryer Gift • Plasma Rifle Gift • Utensil Poker Gift • Atomic Powerup
Food Drumstick • Roast • Single Burger • Double Burger • Triple Burger • Quad Burger
Other Coin
Gamehouse Flash Version
Yahoo Flash Version
Java Mobile Version
Game Mechanics CheatsBonusesDifficultyMultipliersAwardsOverheatUnlockablesWeapon GroupsLives
Technical EditionsLanguagesBetaUltra VGA EngineDebug ModeDebug Console
Unlockables are additional features that have to be first unlocked to be able to be enabled. In Revenge of the Yolk, the process of unlocking them goes differently than what's used in the later episodes.



The Unlockables menu in Revenge of the Yolk.

There are 7 unlockables in the game. 3 are unique to Rookie, 3 to Veteran and 1 to Superstar Hero. To unlock them, you must complete a mission without using Cheats. After that the unlockables are unlocked depending on the Difficulty (Skill):

  • Rookie - unlocks only 1 unlockable from its unique unlockables. After unlocking its 3 unlockables, you will be no longer able to get more in this difficulty.
  • Veteran - unlocks two unlockables - one from its pool and another from Rookie's pool. If all Rookie unlockables have been unlocked, it will unlock one more unlockable from its own pool. After unlocking every unlockable but the one unique to Superstar Hero, you will be no longer able to get more in this difficulty.
  • Superstar Hero - unlocks three unlockables - one from its pool, one from Veteran's pool and one from Rookie's pool. Once this difficulty's pool is depleted (and it can easily happen since it has only one unlockable allocated to it), it will take unlockables from Veteran's pool. Once that is depleted too, it will pull from Rookie's pool. This is where all of the unlockables can be unlocked at once.


Each difficulty has its own pool of unlocks to pull from. They're always pulled from in the order listed.


  1. Secret Weapon
  2. Super Secret Mine Bombs
  3. Damage Indicator


  1. Superstar Hero
  2. Progress Indicator
  3. Points Indicator

Superstar Hero

  1. Clupea Harengus

List of Unlocks

There are 7 Unlockables available - 2 weapon related, 3 UI related, 1 difficulty related and 1 cosmetic.


Weapon related unlocks add new weapons or change existing ones.

Secret Weapon


An Utensil Poker Gift found in Wave 62.

This is always the first unlockable unlocked. It allows the Utensil Poker to spawn outside of The Yolk-Star™ fight, which is designed to be the best weapon available. It's available in-game from Chapter 6 and it drops somewhat rarely.

Super Secret Mine Bombs


A Mine Bomb about to be used on Wave 7.

It's the second Rookie unlockable. Replaces Missiles with Mine Bombs. This unlockable changes the way they're detonated. Regular missiles detonate when they reach the center of the screen, and mine bombs always detonate one second after they were planted. Other than that, they're exactly like the Missiles.


UI related unlocks add stuff to the UI, such as progress bars or indicators.

Damage Indicator


Shown damage received by the Big Chicken.

It's the third Rookie unlockable. When an enemy receives damage, red text will appear showing exactly how much damage it received.

Progress Indicator


The progress indicator on Wave 1.

It's the second Veteran unlockable. Enables the boss progress bar outside of the boss waves (since 0.20BETA).

Points Indicator


Points received from Food from a Big Chicken.

It's the third Veteran unlockable. When you receive points, green text will appear showing exactly how much points you gained.


Difficulty related unlocks add new difficulties.

Superstar Hero


The mission selection screen with the Superstar Hero option enabled.

It's the first Veteran unlockable. Unlocks the hardest difficulty. In it, your weapons deal a third of the damage they usually do, but you gain nine times as much points as in Rookie. You have to unlock this if you want the last unlockable - Clupea Harengus.


Cosmetic unlocks only change stuff visually, without any other effect, positive or negative.

Clupea Harengus (Red)


The red herring unlockable (and the progress indicator)'s effect.

This is the only Superstar Hero unlockable. It turns drumsticks into literal Red Herrings. This change is cosmetic only, as the Red Herrings don't give you more points or food than the regular drumsticks. Before update 3.63, it did nothing at all.