Yoiyami Biscuit

A twin-stick roguelike shooter where snacks become weapons and upgrades

tripper_room, 以絵会友(ikaikaiyuu) · Published by Mediascape Co., Ltd. · Released Oct 26, 2025 · Early Access

Reviews: Very Positive; 94% of 129
Recent reviews: Not enough recent
Players: 2; daily peak, Oct 28, 2026
Steam Deck: Playable
Last update on Steam: 11 months ago; Nov 23, 2025
Minimum PC: Shader Model 2.0 compatib…; 8 GB RAM · 1 GB disk; Full requirements

What is Yoiyami Biscuit?

This Early Access, single-player roguelike shooter is a top-down Touhou Project fan game set in Gensokyo, where snack fountains spark territorial disputes. You fight enemy hordes as Rumia in repeated runs and shop for items between battles. Talismans damage enemies or temporarily strengthen Rumia.

For you if...

+you like dodging dense bullet patterns while aiming your shots
+you prefer being able to adjust the difficulty

Not for you if...

−you want cooperative or competitive multiplayer

What players say

94% of 129 reviews are positive

Players praise Rumia's cute design and the scope for optimizing damage through item and snack choices. Replayability draws mixed reactions, with some players finding it limited.

Screenshots and trailer

Yoiyami Biscuit system requirements

Minimum: Shader Model 2.0 compatib…, 8 GB RAM, 1 GB of disk space.

As published by the developer.

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Minimum

OS: Windows 10/11 64bit
Processor: Intel Core i3, 9th gen or later
Graphics: Shader Model 2.0 compatible, VRAM 2.5GB
Memory: 8 GB RAM
Storage: 1 GB available space
DirectX: Version 9.0c

Does Yoiyami Biscuit have co-op or multiplayer?

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

Single-player

Does Yoiyami Biscuit 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
Some in-game text is small and may be hard to read
Default graphics settings perform well on Steam Deck
External controllers are not supported for the primary player

PC version details

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

Does Yoiyami Biscuit 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 27, 2026. How to filter AI games on Steam