PCGame

I Am Sakuya FPS: Lunarian Invasion

A first-person bullet-hell shooter where you can stop time

Sigyaad Team, Floating Bunny · Published by Sigyaad Team · Released Sep 25, 2025

Action

Reviews
Mixed
60% of 53
Recent reviews
Not enough recent
Players
0
daily peak, Oct 28, 2026
Steam Deck
Playable
Last update on Steam
18 hours ago
Oct 28, 2026
Minimum PC
1050 TI
Full requirements

What is I Am Sakuya FPS: Lunarian Invasion?

This single-player first-person shooter is an unofficial Touhou Project fangame set on the moon, where Sakuya seeks revenge after a defeat. You shoot enemies with weapons including a triple-barreled shotgun and a Cirno plush doll.

For you if...

  • +you enjoy combat built around frequent weapon switching
  • +you like colorful anime characters and fantasy settings

Not for you if...

  • −you prefer combat without dense patterns of enemy bullets
  • −you want cooperative or competitive multiplayer instead of solo play

What players say

60% of 53 reviews are positive

Players praise the weapon designs and animations, and appreciate continued updates. They criticize sparse or disjointed level layouts and report lingering bugs and choppy performance.

Screenshots and trailer

I Am Sakuya FPS: Lunarian Invasion screenshot 1

I Am Sakuya FPS: Lunarian Invasion system requirements

Minimum: 1050 TI.

As published by the developer.

Can my PC run I Am Sakuya FPS: Lunarian Invasion?

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Minimum

OS
Windows 8/10/11
Processor
Intel i5 processor or greater
Graphics
NVIDIA 1050 TI or higher or AMD 570 series or higher

Does I Am Sakuya FPS: Lunarian Invasion have co-op or multiplayer?

No: single-player only, no multiplayer modes declared.

Does I Am Sakuya FPS: Lunarian Invasion run on Steam Deck?

Playable Playable: it runs on Steam Deck with some adjustments.

  • Default controller config not fully functional
  • Sometimes shows mouse, keyboard or non-Deck controller icons
  • In-game text is legible on Steam Deck
  • Default graphics settings perform well on Steam Deck

PC version details

DRM
None declared on Steam
Controller
Keyboard and mouse
Platforms
Windows
Steam features
Family Sharing
Languages
Text only: English.

Does I Am Sakuya FPS: Lunarian Invasion use AI-generated content?

No AI-generated content is disclosed on the game's Steam page.

Self-reported by the developer under Steam rules: it covers AI content that ships in the game, not tools used to make it. Steam page checked on Oct 28, 2026. How to filter AI games on Steam

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