HoloSeeker

A roguelite card battler built around Hololive idols' distinct abilities

Imoyokan · Published by holo Indie · Released Nov 9, 2025

Reviews: Very Positive; 88% of 68
Recent reviews: Not enough recent
Players: 0; daily peak, Oct 28, 2026
Steam Deck: Playable
Last update on Steam: 1 month ago; Sep 14, 2026
Minimum PC: DX10; 8 GB RAM · 2 GB disk; Full requirements

What is HoloSeeker?

This single-player, 2D deckbuilding roguelite RPG follows Hololive idols on an adventure. You choose a character, build a deck for card battles, navigate branching routes through battles and events, and spend earned HoloCoins on new cards.

For you if...

+you enjoy experimenting with card combinations across repeated runs
+you appreciate Hololive references and familiar idol characters

Not for you if...

−you prefer real-time action over turn-based card battles

What players say

88% of 68 reviews are positive

Players praise the artwork, simple deckbuilding loop, and value for the price. Complaints center on limited content, interface problems, and uneven balance, though one updated review reports improvements to Pekora's deck.

Screenshots and trailer

HoloSeeker system requirements

Minimum: DX10, 8 GB RAM, 2 GB of disk space.

As published by the developer.

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Minimum

OS: Windows 10 or more
Processor: intel Core i5 or more
Graphics: DX10
Memory: 8 GB RAM
Storage: 2 GB available space

Does HoloSeeker have co-op or multiplayer?

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

Single-player

Does HoloSeeker run on Steam Deck?

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

Sometimes shows mouse, keyboard or non-Deck controller icons
Some in-game text is small and may be hard to read
All functionality is accessible with the default controller configuration
Default graphics settings perform well on Steam Deck

PC version details

DRM: None declared on Steam
Controller: Keyboard and mouse
Platforms: Windows
Achievements: 9
Steam features: Family Sharing
Languages: Text only: English, Japanese, Simplified Chinese.

Does HoloSeeker 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