About the Game
Enemies constantly run toward your walls. You buy defenders, upgrade production, and watch the waves grow.
But they can’t reach you. There is a river of lava at the end. Every enemy falls into it. Every time.
Your conquest map is your skill tree
Zero stress gameplay.
No losing. No pressure. No "restart the level" moments. Just numbers going up and enemies running.
Be the Zero Stress King
This is a tower defense where you already won. Sit back, relax, and enjoy the lava.
Screenshots
7 images
Version Information
Steam Patch Notes
Official update history
A counter for lava kill achievements - added
Cursor after hibernation - fixed (probably)
Nun superpower sound - lowered
Fixed the music crossfade bug ːcoolstar2022ː
Added alternative keys for cheats for people with no Home/End keys on their keyboard ːsteamsunnyː (it's 1, 2, 3 ,4)
Fixed the bug when the Blacksmith friend was making a discount only for the 1st price of two-price units.
Fixed some Portuguese texts
Found and most likely killed the bug that was crashing the game on the latest islands
Achievement Perfectinum has been fixed
Achievement 1M has been replaced with another, much easier. Because no one is getting stressed! Not on my watch! ːstimulationː
Micro nano pico fixes ːcool_seagullː
Fixed that annoying rare bug when an almost dead mob is not being targeted by your units
Bigger fonts on the Friends screen, for Steam Deck and mobiles.
Mobiles only: New setting for the beam offset for your finger (left, right, off)
ːhappy_yetiː FINALLY!
Steam features on MacOS are now fixed, so DLC and achievements are working
You will get all the achievements that you should for current and previous runs. Two exceptions:
You have beaten the final boss, and reset the game after it - this particular achiv won't be recovered. You need to beat him again, sorry ːstimulationː
If you made a total reset, the game can't remember your achivs before this
New language - Vietnamese! (If you want to help add your language in the game, and it's not something hard for me, like right-to-left ones, write me on Discord) ːhappy_yetiː
some txt fixes for Greek and Thai
Multibuy is fixed for SteamDeck, and also works with LMB+RMB, in addition to Shift+LMB
Saves back-ups - sometimes a save file can be corrupted due to hardware or electrical issues. Now there's triple redundancy of saves
Builder beams optimization is now more meatgrindery
You can see the color of beam damage on the monument's basement (it will be slightly orange, green, or grey)
Nun's recharge status is now visible near the cursor
Fixed the bug with not showing the game on load (probably)
Fixed the crash with o_defender in the error message (probably)
Now you can shrink the game window down to 320x180
Fixed the rare issue when the game refuses to open at all. (if it's still there for you, please tell me)
Some minor fixes in Portuguese and Polish texts
If the game mistakenly did not give you those lava achievements, it will do it on the next launch
Screenshake setting button
Zoom it/out with the keyboard
I've fixed the 2nd bossfight, which cannot be summoned SOMEHOW, ːstimulationː so you couldn't finish the demo and take all the achievements.
The game runs more smoothly
Visual indication when your farm isn't working (Zzz)
Boss units aren't generous so much anymore (I told them!)
Sounds turn off when the game is minimised
One button on Steamdeck fixed
Current Release
Build 23839206
Uploaded Sep 16, 2026
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System Requirements
How to Install
ZeroStressKing.exe to play
Troubleshooting tips
• Run Redist/_CommonRedist installers if game won't start
• Add folder to Windows Defender exclusions
• Run as administrator
Download
Direct link available
Needed when extracting (WinRAR / 7-Zip) — not a site login.
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Download Zero Stress King: Idle Defense for PC with a direct link or via torrent. Get the full version of Zero Stress King: Idle Defense for free. Zero Stress King: Idle Defense is a Adventure released by Pauloondra.