Screenshots
Watch trailer on Steam ↗Endless Castle: Under Siege
家里蹲工作室 · Published by 家里蹲工作室
Last updated 28 Sept 2026
Command your heroes, build unstoppable formations, and hold the line against endless waves. Recruit 40 unique heroes, grow stronger even while offline. Turn your castle into an unbreakable fortress.
Indie, Casual · More free games
About this game
Game Description
Deeply blending the classic elements of idle and tower defense games, this game offers rich hero and equipment build options. Hands-free and hassle-free, enjoy the joy of strategic combination and effortless growth!
Please Note
This game contains extensive equipment grinding elements. Players who do not enjoy grinding for gear are advised to purchase with caution!!!
Game Features
Auto Battle
Fully hands-free with auto-battle mode — level up and hunt for loot at the same time.
Numerous Heroes
40 unique heroes allow you to build diverse lineups and explore various playstyles.
Hero Equipment
Random combinations of dozens of ability affixes make every drop and forge a moment of anticipation!
Varied Modes
Beyond idling, enhance your overall strength through colonies, dragon battles, expeditions, fortresses, and other distinct gameplay modes.
Stress-Free
No penalties for defeat — simply wait for your power to grow and try again. No enemy is unbeatable!
System Requirements
Will my PC run this? →Minimum
- OS *: Windows 7 (SP1+) , Windows 10 and Windows 11
- Processor: x86, x64 architecture with SSE2 instruction set support.
- Memory: 4000 MB RAM
- Graphics: Integrated graphic cards or above.
- Storage: 300 MB available space
Supported Languages
Latest news
Patch NotesOfficial
Demo Update – Faster Early Game & Better Rewards
Hi everyone,We've made a new update to the Demo, focusing on improving early-game pacing and overall progression. Early Game ImprovementsFaster progression in the early stagesInitial mana increased to 200Hero slot outside the castle now unlocks at Castle Level 50Balance ChangesIncreased base defense of the wallBosses now drop more resourcesAchievements UpdateAdded new achievementsReworked achievement rewardsIf you’ve tried the Demo before, this update should feel much smoother and more rewarding.Thanks for playing!Read full article on Community Announcements (怪物猎人哥)
