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v1.03Minor Update ver1.03(2026/06/02)
Added a new guide UI. A one-time button guide will now be displayed when the player crafts their first item, explaining how to use crafted items with the Action (Cat Punch) button.
Steam
HOSHIOMIO -Stella Attacks-
Also known as HOSHIOMIO -Stella Attacks-, hoshiomio stella attacks, hoshiomio-stella-attacks
Watch the starry sky and ward off looming threats in this fast-paced base defense game. Genre-defying destruction.
Last update
3 Jun 2026
Players now
0
Original sources
1
Latest update
Latest updates
Update history
Browse past updates and patch notes for this game.
- April 2026
- Minor Update ver1.02(2026/04/04)Balance & Server Update Adjusted the "Heat" status effect penalty: Exceeding the threshold now deals damage equal to 50% of maximum HP. Fixed an issue where achievement notification icons were not appearing at the corre…
- ・Fixed a bug where locked-on missiles would hit targets instantly. ・Fixed a visual glitch in the polyomino craft preview on the Title Lobby screen. ・Adjusted nnp score acquisition: Fish items: 100 → 50 pts Flower items:…Store
- March 2026
- ✨ The massive comet has arrived! Attention all astronomy fans and gamers: We are pleased to announce that “HOSHIOMIO -Stella Attacks-” one of the largest action meteors ever observed, is set to strike the Steam store on…Store
- 【Update】Demo Updated – Tutorial Mode AddedThe Demo has been updated with a tutorial. After starting the game, explanations will appear for actions such as looking at the stars and pushing or attaching balls.
- 【Fixed】Initial launch errorWe have fixed an issue where the game would fail to launch or display an error on the first startup. How to update: If the game does not start, please restart your Steam client. Steam will automatically download the nec…
- The demo version of “HOSHIOMIO -Stella Attacks-” is now available on Steam. You can download the demo from the following page. [dynamiclink href="https://store.steampowered.com/app/4382590/_STELLA_ATTACKS/"] ▲ Please ad…Store
- [Celestial News] "Hoshiomio -STELLA ATTACKS-" Demo Meteor Shower: Expected VisibThank you for the wait, and nice to meet you all. I am BLUFF, the developer. If you’ve visited my store page, you’ve probably thought: "I have no idea what this game is about..." To be honest, I was worried about that t…
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In-game media
Achievements
Community progression
Top picks from 7 Steam achievements, sorted by player unlock rates.
- The Owner is an Excellent OwnerCleared the game on Euphoric difficulty.44.4%
- I Am a CatReached the reunion event with 1,000 NNP or more on Euphoric difficulty.11.1%
- The Owner Loves CatsPlayed with the cat using the cat teaser on the pause screen after obtaining the flower item.11.1%
- 56Crafted all 55 types of crafts and performed a Mono Attack (kicked the ball and hit an enemy).11.1%
- 55Hidden11.1%
- Gorilla ChallengeHidden11.1%