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Zero Stress King: Idle Defense
A short relaxing incremental game disguised as a tower defense, but enemies can’t reach your walls. Thanks to lava.
View on Steam ↗ $3.99 (US · as of 2026-09-26)What players say
Steam review score and the most-helpful voices, which may include critical ones. Score via Steam as of 2026-09-25.
“Idle Prestige - Yes, but points are based on progress. Active Play - Nothing extra Visuals - Lots of little pixel units attacking and being slaughtered. Special Mechanics - Nothing Special Cash Shop - No It's an alright idle. It's a pure idle in the sense there's very little to…”
— a player, Steam review · 13 hrs played“I want a Fast Forward button! This game is so awesome but tedious when restarting with new friends XD”
— a player, Steam review · 32 hrs played“100% the full game in 5 hours, pretty bad balance as I didnt need to prestige at all after getting 4 upgrades. Pretty chill mindless game but nothing too unique about it.”
— a player, Steam review · 5 hrs playedPlayer activity
Monthly average concurrent players. Live data self-collected from the Steam API · history through 2026-08 via SteamCharts.
Achievement stats
Global completion rates across all Steam players — a data view of how far people actually get. Source: Steam official stats · as of 2026-09-26.
Price tracking
US-region pricing (USD), sampled twice daily by our own tracker since 2026-09-26. Steam prices vary by region — always confirm your local price on Steam.
Regional prices at last sample, in local currency — Steam sets each region's price independently.
Cheapest → most expensive, converted to USD at ECB reference rates (2026-09-25). Relative comparison only.
Latest official news
Developer announcements via the Steam news API — links go to the original posts. More across all games on the news hub.
2.03 - music fix, cheats keys fix
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)
2.02 - Blacksmith bug fix
Fixed the bug when the Blacksmith friend was making a discount only for the 1st price of two-price units. Fixed some Portuguese texts
2.01 - bug-fix, stress-kill
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
v2.0 - A huge content boost! (and a price boost, later)
ːhappy_yetiː I'm incredibly proud to present the grand v2.0 update! ːcoolstar2022ː Added: ːzsk_speedːNew islands ːzsk_speedː8 defenders with new attack and damage types ːzsk_speedː16 mobs, some with s
Tiny Teams + an a HUGE update announcement!
ːhappy_yetiː Happy to share with you that Zero Stress King was officially selected for the ːzsk_winː Tiny Teams Fest! ːzsk_winː Also, I really do make a big update I've promised before: ːcoolstar2022ː
Screenshots
Official Steam store screenshots — click any shot to enlarge.
Facts & details
From the Steam store record, snapshot 2026-09-25.
| Genres | Adventure, Casual, Indie, Strategy |
| Player tags | Incremental · Idler · Casual · Strategy · 2D · Pixel Graphics · Tower Defense · Colorful · Cute · Resource Management · Short · Relaxing (Steam store community voting) |
| Features | Single-player · Steam Achievements · Camera Comfort · Color Alternatives · Custom Volume Controls · Mouse Only Option · Playable without Timed Input · Save Anytime |
| Languages | English, French, Italian, German, Spanish - Spain, Japanese, Korean, Polish, Portuguese - Brazil, Russian, Simplified Chinese, Turkish, Greek, Thai, Portuguese - Portugal, Spanish - Latin America, Traditional Chinese, Da… |
| Achievements | 19 |
Minimum system requirements (PC)
Minimum: Requires a 64-bit processor and operating system OS: Win 10 Processor: exists Memory: 4 GB RAM Graphics: not really Sound Card: nope