Boulder Breakers
Co-op Rock Tower Defense
Free · In‑App Purchases
Build towers with up to three friends and break rolling boulders before they get through. Every rock splits when it breaks, so plan as a team!
Boulders are rolling, and every one you break splits into smaller pieces. Build towers, pool your money with your team and stop every last rock before it gets through.
Boulder Breakers is a 3D co-op tower defense game for up to four players on iPhone, iPad and Mac. Play alone, team up with up to three computer partners, or play online with friends through Game Center.
BREAK ROCKS TOGETHER
• Up to 4 players share one pool of money, so plan your builds as a team
• Computer partners place and upgrade towers on their own
• Invite friends or quick-match online, with in-game chat
• If anyone in the room owns a map, everyone in the room can play it
20 TOWERS
From the Miner Pick and Crossbow to the Tesla Coil, Railgun, Plasma Orb and Meteor Caller. Upgrade each one for speed, range or damage. Trees, rocks and cliffs block line of sight, so placement matters.
13 MAPS
Green Meadow, Desert Canyon, Frozen Tundra, Volcanic Rift, Murky Swamp, Crystal Caverns, Mountain Pass, Tropical Island, Autumn Forest and Ancient Ruins, plus Dune Sea, Twilight Bayou and Glacier Gorge in the Frontier pack.
COMPETE AND COLLECT
• Leaderboards for rocks destroyed, money earned and money spent on every map
• 25 achievements on Game Center
• Cosmetic skin sets for your towers and rocks: Volcanic, Glacier, Arcade and Royal
FAIR PRICING
Free to download, with Green Meadow and Mountain Pass free to play. Unlock the full game, map packs and skins with one-time purchases. No subscriptions, no ads and no consumables. Buy once and play on iPhone, iPad and Mac, with Family Sharing.
Ratings & Reviews
- This app hasn’t received enough ratings or reviews to display an overview.
The developer, Joel Brecker, 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 Not Collected
The developer does not collect any data from this app.
Accessibility
The developer has not yet indicated which accessibility features this app supports. Learn More
Information
- Seller
- Joel Brecker
- Size
- 4.5 MB
- Category
- Strategy
- Compatibility
Requires iOS 18.0 or later.
- iPhone
Requires iOS 18.0 or later. - iPad
Requires iPadOS 18.0 or later. - Mac
Requires macOS 15.0 or later. - Apple Vision
Requires visionOS 2.0 or later.
- iPhone
- Languages
- English
- Age Rating
4+
- 4+
- Contains
Messaging and Chat
- In-App Purchases
Yes
- All Skins Bundle $4.99
- Glacier Set $1.99
- Royal Set $1.99
- Arcade Set $1.99
- Volcanic Set $1.99
- Frontier Pack $1.99
- Full Game $4.99
- Copyright
- © 2026 JBIT Pro
