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King Boo
Play as King Boo, who unfortunately has lost their royal adornments and must find them back before being allowed back in the castle! A simple, colorful adventure game for young players.
What players say
Steam review score and the most-helpful voices, which may include critical ones. Score via Steam as of 2026-09-02 · quoted reviews as of 2026-05-13.
“A fun game for toddlers! Not many levels in total and mechanics are easy to understand. Music is chill too. Achivements are easy to obtain and no missables. Most important of all, when you play this game, you are the king!”
— a player, Steam review · 2 hrs played“Great game, currently the blue King Boo meta is op and will be nerfed soon. Generally I find that the crown is MANDATORY if you decide you want to 100% the game. Final boss level can be intimidating but the game offers the ability to turn on invisible walls so that you don't…”
— a player, Steam review · 8 hrs played“I didn't buy this game for the story (there isn't one), I got it because my 3 year old can beat most levels on her own and she just loves making the little ghost jump off the ledge.”
— a player, Steam review · 1 hrs playedPlayer activity
Monthly average concurrent players. Live data self-collected from the Steam API · history through 2026-07 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 2026-08-13. 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.
Rocklings Cross Promotion
The store page for 'Rocklings' is now published and you're all invited to take a look! Fans of King Boo will surely be excited to hear about this new project. Go ahead and wishlist now! Stay informed
Accessibility update
With this, I want to bring attention to the latest series of updates that King Boo has enjoyed: mostly centered around lowering the barrier of entry even further. These latest updates were triggered b
Version 2.5d
Bugfix related to quitting level during animations (chest, balloons, etc.)
Minor update version 2.5c
Small bugfix related to Steam achievements: I believe they are working again. Let me know if not so!
Version 2.5: bugfixes and hints now available
Hi all, Some bugs were resolved with this update, including the blocked bridge on lvl2 when edge protection was active. Another feature is included with this update: you can now enable/disable hints f
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Screenshots
Official Steam store screenshots — click any shot to enlarge.
Facts & details
From the Steam store record, snapshot 2026-05-13.
| Genres | Adventure, Casual |
| Player tags | Adventure · Casual · Platformer · Walking Simulator · 3D Platformer · Exploration · 3D · Cartoony · Colorful · Cute · Minimalist · Third Person (SteamSpy community voting) |
| Features | Single-player · Steam Achievements · Full controller support · Family Sharing |
| Languages | English, Dutch |
| Controller | Full support |
| Achievements | 12 |
Minimum system requirements (PC)
Minimum: Requires a 64-bit processor and operating system OS *: Windows 7 (SP1+) and Windows 10, 64-bit versions only. Processor: X64 architecture with SSE2 instruction set support Memory: 8192 MB RAM Graphics: DX10, DX11, and DX12-capable GPUs DirectX: Version 11 Storage: 1000 MB available space Sound Card: Hardware vendor officially supported drivers