Doom Defenders - Dungeon Idle

In-app purchases
4.2
122 reviews
5K+
Downloads
Content rating
Teen
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About this game

Command an ever-growing swarm and build an unstoppable army in this incremental action game. Your forces will automatically battle colossal monsters, earning you gold for every attack. Use your wealth to purchase powerful upgrades, increasing your numbers, boosting your damage, and spawning new units at a faster rate. Watch as your small group of units quickly multiplies into a massive and overwhelming legion.

Your strategic decisions will fuel your army’s exponential growth. Invest your gold in the Armory for constant improvements, or research new skills in a deep technology tree to unlock permanent advantages for your entire swarm. Each upgrade makes your army stronger, allowing you to defeat tougher bosses and advance to new sectors in this satisfying idle game. Your progress is always visible as your swarm becomes more powerful with every investment you make.

As your power grows, you will unlock potent commands that can instantly turn the tide of battle. Activate these abilities for a massive surge in speed or income, helping you break through difficult challenges and push your limits. Lead your army through distinct worlds, from dark forests to ruined castles, each with unique bosses to overcome. Focus on your upgrade strategy, manage your growth, and witness your swarm evolve into an unstoppable force.

Start building your unstoppable army. Play now
Updated on
Feb 20, 2026

Data safety

Safety starts with understanding how developers collect and share your data. Data privacy and security practices may vary based on your use, region, and age. The developer provided this information and may update it over time.
This app may share these data types with third parties
Personal info, App activity and 2 others
This app may collect these data types
Personal info, App activity and 2 others
Data isn’t encrypted
You can request that data be deleted

Ratings and reviews

4.2
117 reviews
Adam
February 23, 2026
4 stars for right now. Game has potential but I've been soft locked by level 24. My units die before they can even damage the boss, even with heavy defense upgrades. There's no way to go back to earlier levels to farm for upgrades to be able to pass harder ones. There should be more units, more bosses and a rebirth system of some sort. Hope this game gets lots of updates! It's fun :).
3 people found this review helpful
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Ian Knudsen
February 28, 2026
cool idea. but with no ability to go back and farm you get soft locked to the point where you can only progress for about 5 minutes using an ad and the armor command. then you wait an hour and a half to do it again. otherwise you sit at level 29 making 4 gold per second while upgrades cost 50k.... the no forced ads thing is nice though. a few more user friendly features and this could be a nice little game
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Sean MB
February 27, 2026
The no forced ads is a great start. but, unfortunately, the growth curve is atrocious. almost no offline reward accrual. Just, or of QOL changes that need to be changed in order for this game to receive a better rating. lots of potential, just really falling short.
1 person found this review helpful
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What’s new

Level up even faster calling more units, 3x income and a super welcome pack