Siralim Ultimate

Creature-collecting dungeon RPG with deep six-monster team crafting

Thylacine Studios · Published by Thylacine Studios LLC · Released Dec 3, 2021

Reviews: Very Positive; 93% of 2,544
Recent reviews: Not enough recent
Playing now: 43; peak 24h 59
Steam Deck: Playable
Last update: 7 months ago; Jan 23, 2026

What is Siralim Ultimate?

A single-player, isometric turn-based RPG centered on collecting and customizing creatures. You explore randomly generated dungeons, gather resources and loot, summon and fuse monsters, and build parties for six-on-six battles.

For you if...

+you enjoy theorycrafting complex creature and trait combinations
+you want extensive progression and long-term grinding
+you like testing and refining specialized party builds

Not for you if...

−you want a short RPG with little repetition
−you prefer straightforward systems and simple team management
−you expect story and world-building to drive progression

What players say

93% of 2,544 reviews are positive

Players most often praise the range of creature combinations and the process of building synergistic teams. Common complaints focus on heavy grinding, repetitive dungeon exploration, and a cumbersome, confusing interface.

Screenshots and trailer

Siralim Ultimate system requirements

As published by the developer.

Minimum

OS: Windows 8
Processor: Any
Graphics: Any
Memory: 4 GB RAM

PC version details

DRM, required accounts, controller support and Steam features.

DRM: None declared on Steam
Controller: Full controller support
Platforms: Windows, macOS, Linux
Achievements: 320
Steam features: Family Sharing, Trading cards

Steam Deck: Playable

Sometimes shows mouse, keyboard or non-Deck controller icons
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

Text only: English, French, Italian, German, Spanish - Spain, Dutch, Japanese, Korean, Polish, Portuguese - Brazil, Russian, Simplified Chinese, Spanish - Latin America, Traditional Chinese, Turkish, Ukrainian.