Lunacid

First-person dark fantasy RPG built around dungeon exploration and secrets

KIRA LLC · Published by KIRA LLC, CRITICAL REFLEX · Released Oct 30, 2023

Reviews: Very Positive; 91% of 12K
Recent reviews: Very Positive; 91% of 112 in 30 days
Playing now: 32; peak 24h 50
Steam Deck: Verified
Last update: 1 month ago; Aug 17, 2026

What is Lunacid?

A single-player first-person action RPG set in the subterranean Great Well. After being cast into its depths for unknown crimes, you explore dungeons, fight enemies with weapons and spells, solve cryptic puzzles, and search for hidden areas while seeking a sleeping Old One.

For you if...

+you enjoy slow first-person dungeon crawling and dark fantasy
+you prefer cryptic puzzles, hidden areas, and unguided exploration
+you want a creepy, lonely mood with retro visuals

Not for you if...

−you need maps, clear directions, and obvious puzzle solutions
−you want fast, varied combat against sophisticated enemies
−you dislike navigating maze-like areas with few landmarks

What players say

91% of 11,575 reviews are positive · 91% of 112 in the last 30 days

Players most often praise the eerie atmosphere, music, retro art direction, and secret-filled exploration. Common complaints target slow traversal, confusing layouts, obscure progression requirements, and simple combat with repetitive or durable enemies. Some players also report save or progression-blocking bugs.

Screenshots and trailer

Lunacid system requirements

As published by the developer.

Minimum

OS: Windows 7
Processor: Intel Core i3 1.3 GHz
Graphics: 2GB Intregraded graphics
Memory: 4 MB RAM
Storage: 800 MB available space

PC version details

DRM, required accounts, controller support and Steam features.

DRM: None declared on Steam
Controller: Full controller support
Platforms: Windows
Achievements: 26
Steam features: Family Sharing, Trading cards

Steam Deck: Verified

All functionality is accessible with the default controller configuration
In-game text is legible on Steam Deck
Default graphics settings perform well on Steam Deck

Multiplayer and co-op

Single-player

Languages

Full audio: English. Text only: German, Spanish - Spain, Japanese, Korean, Polish, Portuguese - Brazil, Russian, Simplified Chinese, Spanish - Latin America, Traditional Chinese.