Mad Lab Defense: Tower Defense

Offline TD with crazy gadgets

Free

Now on iPhone and iPad: defend Dr. Max Sprocket's lab with 14 absurd gadgets. The whole game plays offline, with no ads and no in-app purchases. Stop an army of gray bureaucrats with absurd science gadgets in a colorful, painterly tower defense strategy game you can play 100% offline. The Ministry of Normal has banned all fun science, and Baron von Boring is sending his Grayforce to shut down Dr. Max Sprocket's backyard lab. Luckily, Max has gadgets. Lots of gadgets. 14 RIDICULOUS GADGETS • Slime Lobber, Zap-Ray 3000, Reverse Microwave, Punch-o-Matic, Stink-o-Matic, Snooze Projector, Robo-Buddy Factory, Shrink Ray, Hypno-Disco, Baa-Ray 3000, Robo-Pup Kennel, Orbital Toaster, Magnet-o-Tron and the Lemon-Aid Stand • Upgrade each one, then pick one of two wild specializations, like the Mostly-Harmless Death Ray, the Sock Tornado or the Toast Barrage • Unlock new gadgets as you go and choose your best 8 for each level. The recommended loadout shows you what counters what • Turn bureaucrats into sheep, freeze them, shrink them, put them to sleep or make them dance 9 LAB REACTIONS • Slime + Zap = Short Circuit • Frozen + Punch = Shatter • Stink + Zap = Ka-Foom! • Sleeping + Punch = Rude Awakening, and five more to discover • Combos fill the Chaos Flask: unleash a Mega Experiment like the Slime Tsunami, Absolute Zero or the Mega Disco OUTSMART THE GRAYFORCE • 16 enemy types: armored inspectors, shielded compliance officers, healing HR mediators, flying stamp drones and filing cabinets that burst into angry memos • Janitors mop up your slime and lawyers shout OBJECTION! to wipe your effects, so plan your combos • 3 boss fights, ending with Baron von Boring himself in a mech made of beige A HERO WITH A JETPACK • Move Dr. Max Sprocket around the map, level him up and use Jetpack Stomp and Overclock • Call in a Rubber Duck Airstrike or drop interns on the path when things get messy LOTS TO DO • 15 painterly levels in 3 worlds, from Sprocket's Backyard to the Ministry of Normal • Lab traps to spring: beehives, fire hydrants, steam manholes, giant rubber stamps and more • Heroic and Iron challenges, Endless mode and a new Daily Experiment every day • 52 Research Lab upgrades, 42 achievements, a Lab Notebook and comic cutscenes • Casual, Normal and Veteran difficulty FAIR AND OFFLINE • Play anywhere, no internet needed • No ads and no in-app purchases • Levels save after every wave (except the Daily Experiment), so you can pick up where you left off • Optional cloud backup and a transfer code for moving to a new device • Made for iPhone and iPad, in English and Norwegian

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The developer, Peka Software AS, indicated that the app’s privacy practices may include handling of data as described below. For more information, see the developer’s privacy policy .

  • Data Linked to You

    The following data may be collected and linked to your identity:

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Accessibility

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Information

Seller
Peka Software AS
Size
166.3 MB
Category
Strategy
Compatibility
Requires iOS 14.0 or later.
  • iPhone
    Requires iOS 14.0 or later.
  • iPad
    Requires iPadOS 14.0 or later.
  • iPod touch
    Requires iOS 14.0 or later.
Languages
English and Norwegian Bokmål
Age Rating
9+
  • 9+
  • Learn More
  • Infrequent
    Cartoon or Fantasy Violence
    Guns or Other Weapons
Copyright
© 2026 Peka Software AS
  • Developer Website
  • Privacy Policy

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