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Idle Kingdom Defense cover art
DormantMobile

Idle Kingdom Defense

by STORMX · 2021

Command heroes and archer corps in large castle-defense battles, with rewards stacking up while the game is closed.

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At a glance

From the developer's own description, reviewed Sep 29, 2026. Suggest a correction
?Ending
?Time to finish
75%Idle (0 = active)
YesOffline progress
?Prestige layers
?Save export
YesPlays on mobile
F2PPrice

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Live signals

Sep 16, 2025Last update

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Tags

IdleTower defenseFantasyCombat

Games like Idle Kingdom Defense

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    Also idle, fantasy, combat · Same active/idle balance (leans idle)

    Updated
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  5. Spirit Dungeons: Legacy cover art
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Idle Kingdom Defense: common questions

Does Idle Kingdom Defense have offline progress?

Yes. Idle Kingdom Defense keeps producing while the game is closed, and you collect the progress when you come back.

Is Idle Kingdom Defense an idle game or an active one?

Leans idle: we rate it 75 on a scale where 0 means fully active and 100 means it plays itself. Checking in a few times a day is enough.

Is Idle Kingdom Defense still being updated?

Not recently. The most recent update we've seen was on Sep 16, 2025. That isn't a verdict on quality: many incrementals are complete as they are.

Is Idle Kingdom Defense free?

Idle Kingdom Defense is free to play, with optional in-game purchases.

Where can you play Idle Kingdom Defense?

Idle Kingdom Defense is available on mobile.

What games are like Idle Kingdom Defense?

Endless Frontier - RPG, F Class Adventurer: AFK RPG and Fortress Saga: Idle AFK RPG share the most with it. Endless Frontier - RPG: also idle, fantasy, combat. All games like Idle Kingdom Defense →