Best Dungeon Defense Apps & Games

242+ iOS apps & games curated and reviewed

4.7 avg rating
16 free apps & games
Updated September 2026

The best dungeon defense apps and games on iPhone average 4.7★ across 242+ titles — we've ranked them by what real users actually keep on their phones. Updated September 2026.

Compare top Dungeon Defense Apps & Games (September 2026)

#AppPriceRatingAdsIn-App PurchasesUpdated
1Dungeon Defense : The GateDungeon Defense : The Gate$0.994.8★ (701)NoYesSep 2026
2CDO2: Dungeon DefenseCDO2: Dungeon DefenseFree4.7★ (35)YesYesAug 2026
3Underdark:DefenseUnderdark:DefenseFree4.8★ (4K)YesYesSep 2026
4Dungeon WarfareDungeon Warfare$2.994.9★ (541)NoNoSep 2026
5Dungeon Attack - Trap DefenseDungeon Attack - Trap DefenseFree5.0★ (2)YesNoJul 2026
6Tiny Dungeon WarriorsTiny Dungeon WarriorsFree4.6★ (340)YesYesJul 2026
7Days Bygone: Castle DefenseDays Bygone: Castle DefenseFree4.8★ (2.5K)YesYesSep 2026
8Dungeon DragonDungeon DragonFreeNoNoAug 2026

Top Picks for Dungeon Defense

4.8😊(701 ratings)
$0.99In-App Purchases
Dungeon Defense : The Gate screenshot 1
Dungeon Defense : The Gate screenshot 2
Dungeon Defense : The Gate screenshot 3
Dungeon Defense : The Gate screenshot 4
Dungeon Defense : The Gate screenshot 5
Dungeon Defense : The Gate screenshot 6

Defend your dungeon from invading heroes by collecting and strengthening weapons and monsters. Build your dungeon, achieve goals, and enjoy retro graphics and sounds in this easy-to-play strategy game.

What We Love

  • 🎮 Fun gameplay
  • 👍 Great value for money
  • 🕹️ Engaging tower defense mechanics
  • 🎨 Charming retro graphics
  • 🔥 Addictive and replayable
  • 🧠 Surprisingly deep progression system
  • 🕰️ Relaxing and easy to pick up
  • 💰 No pay-to-win or excessive IAPs

Room to Improve

  • 🤔 Lack of clear instructions or tutorials
  • 🕰️ Can become repetitive or grindy over time
  • 🐛 Some reported crashes or bugs
  • 🔋 High battery consumption
  • 🙁 Lack of updates or new content
CDO2: Dungeon Defense#2

CDO2: Dungeon Defense by GIGR Inc.

Run a dungeon and beat heroes!
Strong Contender
🎮 Games
4.7(35 ratings)
FreeAdsIn-App Purchases
CDO2: Dungeon Defense screenshot 1
CDO2: Dungeon Defense screenshot 2
CDO2: Dungeon Defense screenshot 3
CDO2: Dungeon Defense screenshot 4
CDO2: Dungeon Defense screenshot 5
CDO2: Dungeon Defense screenshot 6

Command monsters and deploy strategic defenses to protect your dungeon from invading heroes. Manage resources, equip your monsters, and adapt to random events to survive as long as possible. Compete with other players in a challenging mode for weekly rewards.

Underdark:Defense#3

Underdark:Defense by SeungHo Chung

Tactical Tower Defense
Worth Considering
🎮 Games
4.8😊(4K ratings)
FreeAdsIn-App Purchases
Underdark:Defense screenshot 1
Underdark:Defense screenshot 2
Underdark:Defense screenshot 3
Underdark:Defense screenshot 4
Underdark:Defense screenshot 5
Underdark:Defense screenshot 6

Defend the Eternal Flame from relentless dark forces in this tactical tower defense game. Strategically place towers, choose buffs, and level up your heroes to forge an impenetrable defense. Enjoy one-handed gameplay for strategic fun anytime, anywhere.

What We Love

  • 🚀 Addictive gameplay
  • 👍 Generous with rewards
  • 🚀 Smooth performance
  • 👍 No forced ads
  • 👍 Unique tower defense mechanics
  • 👍 Customizable towers and heroes
  • 👍 Great art style

Room to Improve

  • 🐛 Multiplayer issues
  • 🔋 Battery drain
  • 🔒 Paywall for progression
  • 🔒 Excessive microtransactions
  • 🔒 Confusing UI with too many menus

More Dungeon Defense apps to explore

FAQ about Dungeon Defense

What are the best dungeon defense apps & games for iPhone?
Dungeon Defense : The Gate tops our dungeon defense apps & games ranking as of September 2026, with a 4.8-star average from 701 App Store ratings, and it's priced at $0.99.
Yes — 16 of the top dungeon defense apps & games we rank are free to download, including CDO2: Dungeon Defense and Underdark:Defense.
Dungeon Defense : The Gate has no ads and offers in-app purchases, according to its App Store listing as of September 2026.
We track 242+ dungeon defense apps & games on the iOS App Store as of September 2026, ranked by rating, recency, and analysis of real user reviews.
Dungeon Defense: The Gate is a strategy game where you defend your dungeon from invading heroes. You collect and strengthen weapons and monsters, build your dungeon, and organize mercenaries to create synergies and achieve goals.
Key features include defending your dungeon, collecting and strengthening weapons and monsters, dungeon building, retro graphics and sounds, organizing mercenaries for synergy, and earning rewards for achievements.

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