PCGame

Rustil: Eternal Labyrinth Castle

Action roguelike with shifting castle runs and monster companions

KTMG LLC. · Published by KIC Games · Released Mar 13, 2026

ActionIndie

AI-generated content disclosed

Reviews
Mixed
69% of 1,033
Recent reviews
Mostly Positive
70% of 31 in 30 days
Players
27
daily peak, Nov 7, 2026
Steam Deck
Playable
Last update on Steam
4 weeks ago
Oct 9, 2026
Minimum PC
GeForce GTX 1060
8 GB RAM · 5 GB disk
Full requirements

What is Rustil: Eternal Labyrinth Castle?

In this action roguelike, Rustil, who cannot remember his past, enters a castle that appeared suddenly. Each run takes you through changing corridors to fight with swords, magic staves, or gunblades, collect equipment and abilities, and capture monsters to join your team.

For you if...

  • +you enjoy experimenting with weapons and attack combos
  • +you like training captured monsters to fight alongside you
  • +you want a choice between forgiving and riskier runs

Not for you if...

  • −you prefer fixed levels over rearranged dungeon layouts
  • −you want a long story rather than repeated dungeon runs
  • −you dislike managing loot in a limited inventory

What players say

69% of 1,033 reviews are positive · 70% of 31 in the last 30 days

Players praise the combat, build options, monster capture, and boss fights. The most common complaint is stuttering and poor performance; players also cite limited inventory space and slow progression in later runs.

Players over time

▼ -50% vs a month ago

Players online on Steam, one sample a day.

Highest since Sep 2026: 83 players on Oct 4, 2026.

Show the data
DayPlayers
Nov 7, 202627
Nov 6, 202616
Nov 5, 202625
Nov 4, 202621
Nov 3, 202627
Nov 2, 202616
Nov 1, 202624
Oct 31, 202621
Oct 30, 202614
Oct 29, 202615
Oct 28, 202617
Oct 26, 202610
Oct 25, 202625
Oct 24, 202629
Oct 23, 202613
Oct 22, 202610
Oct 21, 202612
Oct 20, 202618
Oct 18, 202648
Oct 17, 202632
Oct 16, 202620
Oct 15, 202628
Oct 14, 202626
Oct 13, 202630
Oct 11, 202651
Oct 10, 202657
Oct 9, 202629
Oct 8, 202627
Oct 7, 202635
Oct 6, 202646
Oct 4, 202683
Oct 3, 202677
Oct 2, 202640
Oct 1, 202615
Sep 30, 202616
Sep 29, 202621
Sep 27, 202637
Sep 26, 202635
Sep 25, 202620
Sep 24, 202620
Sep 23, 202647
Sep 23, 202621
Sep 22, 202639

How many players finish Rustil: Eternal Labyrinth Castle?

20% of Steam players have unlocked «Clear Story Mode», the achievement for finishing the main story.

Share of everyone who owns the game on Steam, including those who barely played it. Updated weekly.

Screenshots and trailer

Rustil: Eternal Labyrinth Castle screenshot 1

Rustil: Eternal Labyrinth Castle system requirements

Minimum: GeForce GTX 1060, 8 GB RAM, 5 GB of disk space.

As published by the developer.

Can my PC run Rustil: Eternal Labyrinth Castle?

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Minimum

OS
Windows10 64bit
Processor
Intel Core i5-3570K or AMD FX-8310
Graphics
NVIDIA GeForce GTX 1060
Memory
8 GB RAM
Storage
5 GB available space
DirectX
Version 11

Recommended

OS
Windows10 64bit
Processor
Intel Core i7-4790 or AMD Ryzen 3 3200G
Graphics
NVIDIA GeForce GTX2060
Memory
16 GB RAM
Storage
10 GB available space

Does Rustil: Eternal Labyrinth Castle have co-op or multiplayer?

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

Does Rustil: Eternal Labyrinth Castle run on Steam Deck?

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

  • Some in-game text is small and may be hard to read
  • All functionality is accessible with the default controller configuration
  • Shows Steam Deck controller icons
  • Default graphics settings perform well on Steam Deck

PC version details

DRM
None declared on Steam
Controller
Full controller support
Platforms
Windows
Achievements
17
Steam features
Cloud saves, Family Sharing
Languages
Text only: English, Japanese, Simplified Chinese, Traditional Chinese, Korean, Thai.

Does Rustil: Eternal Labyrinth Castle use AI-generated content?

Yes. The developers disclose AI-generated content on the game's Steam page:

Certain item and monster icon images

The statement mentions: Art

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 25, 2026. How to filter AI games on Steam

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