KULE: The Undying Hearth
EMRE OZEL Games iPhoneiPadiPod touch
KULE: The Undying Hearth is a free Games app for iPhone and iPad by EMRE OZEL. Requires iOS 15.0. Updated September 24, 2026.
- Price
- Free
- on the App Store
- Size
- 55 MB
- Age 12+
- Updated
- Sep 24
- 2026 · v1.4.0
Screenshots
About KULE: The Undying Hearth
The Undying Hearth burns. You decide how long. KULE is a low-poly 3D tower defense game spanning four ages, from stone axes to Tesla coils. Build freely along the road, read each wave, and turn limited gold into a defense that can survive 120 handcrafted levels. FORGE SPELLS WITH YOUR OWN WORDS Open the Wordforge during battle and write a spell idea in Turkish or English. Ask for fire, ice, damage, slowing or a wide area effect. The game interprets your intent, applies its own balance rules, and creates a spell you can aim and cast immediately. Save up to 12 forged recipes in your spellbook. Creating a new spell requires an internet connection and a signed-in account; saved spells remain available offline. FREE PLACEMENT There are no fixed tower slots. Raise towers anywhere along the road. Range, path coverage, target priority and upgrade order are your decisions, and repeating one tower is rarely the answer. FOUR AGES, 17 TOWER FAMILIES Begin with stone throwers and archers, advance through knight keeps, cannons and mortars, then command machine guns, rockets, flamethrowers and Tesla coils. Armored, flying, shielded, splitting and healing enemies each demand a readable counter. REAL CAMPAIGN DIFFICULTY The campaign is measured and balanced through level 120. Opening investment, wall health and tower unlock order matter. When a defense fails, clear combat feedback helps you change the plan instead of repeating it blindly. ENDLESS AND SERVER-VERIFIED RANKED PLAY Endless Siege opens as the campaign progresses. Ranked runs use a fixed loadout and server replay verification, so leaderboard scores follow the same rules for everyone. OPTIONAL ACCOUNT AND CLOUD SAVE The campaign is fully playable without an account. Sign in with an emailed code when you want cloud saves, ranked play, purchase restore or the online Wordforge. Cloud saves always show an explicit choice before one copy replaces another. ADS, PRIVACY AND OFFLINE PLAY Rewarded ads start only when you choose them. A short interstitial can appear after a level; the ad-free purchase removes it. Core campaign play works offline. Gameplay analytics, error reports and online balance data have separate privacy controls inside the game. Turkish and English interface and story. Designed for touch controls and landscape screens.
What’s new
Version 1.4.0 · Updated September 24, 2026
Forge battlefield spells with your own words in the new Wordforge. Optional accounts now unlock cloud saves and server-verified ranked play. This update also adds privacy controls, consent-based diagnostics, and balance and visual polish.
App privacy
The developer, EMRE OZEL, reported these privacy practices to Apple.
Data Used to Track You
The following data may be used to track you across apps and websites owned by other companies:
- Location: Coarse Location
- Identifiers: Device ID
- Usage Data: Advertising Data
Data Linked to You
The following data, which may be collected and linked to your identity, may be used for the following purposes:
- Identifiers: Device ID
- Usage Data: Product Interaction
Used for: Third-Party Advertising, Analytics, App Functionality
Data Not Linked to You
The following data, which may be collected but is not linked to your identity, may be used for the following purposes:
- Location: Coarse Location
- Usage Data: Advertising Data
- Diagnostics: Performance Data, Other Diagnostic Data, Crash Data
Used for: Third-Party Advertising, Analytics, App Functionality
Alternatives to KULE: The Undying Hearth
Looking for apps like KULE: The Undying Hearth? Here are 6 similar apps on the App Store. The highest rated is Defend the Grove (5.0/5), and all 6 are free to download.
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Defend the Grove
5.0
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Semptom
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Zeravault TD
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Petalfort: Tower Defense
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Tower Defence: Gardenscapes
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Tower Defence River Defense Go
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| App | Rating | Price | Last updated | Compare |
|---|---|---|---|---|
| KULE: The Undying Hearth | – | Free | September 24, 2026 | |
| Defend the Grove | 5.0 / 5 (1) | Free | Aug 28, 2026 | Compare |
| Semptom | – | Free | Oct 12, 2026 | Compare |
| Zeravault TD | – | Free | Oct 21, 2026 | Compare |
| Petalfort: Tower Defense | – | Free | Sep 1, 2026 | Compare |
| Tower Defence: Gardenscapes | – | Free | Oct 6, 2024 | Compare |
| Tower Defence River Defense Go | 2.7 / 5 (3) | Free | Sep 9, 2026 | Compare |