Siralim Ultimate

Review by eFreeware

Siralim Ultimate asks you to collect more than 1200 creatures, then gives you an unreasonable number of ways to bend them to your will. That scale is the whole pitch: this is a monster-catching RPG built for players who enjoy spreadsheets as much as battles, and who would rather tinker with a team for an evening than finish a story in one.

It comes from Thylacine Studios and costs $9.99 up front. There are no ads and no in-app purchases, and the developer notes that you don't need an internet connection to play. For anyone who has grown tired of being nudged toward a store every few minutes, that combination is the first thing worth noticing.

If you like the idea of a dungeon crawler where the roster is effectively endless and the systems keep unfolding, this is aimed at you. If you prefer a tight, guided campaign with a clear ending, the sheer volume of options here is likely to feel more like homework than entertainment.

What the dungeon loop actually asks of you

The structure is straightforward to describe and much harder to put down. You travel through randomly generated dungeons to gather resources, new creatures and loot, and the dungeons are spread across 30 tilesets, so the scenery shifts as you go. Each run feeds the next: materials you pick up become artifacts and spell gems, which you craft for your creatures, and the creatures themselves become the raw material for everything else.

Battles are fought six against six, which is where the strategy lives. With that many units on the field, a fight is less about picking the strongest attacker and more about how your team's abilities interact. The developer's comparison to monster-catching games crossed with a loot-driven action RPG is a fair summary of the feel, even if the execution is entirely its own thing.

Fusion is the mechanic I find most interesting. Two creatures can be fused, and the result takes after both parents in looks, abilities and stats. That last part matters more than it sounds: it means a creature you like the look of can be carried forward into a much stronger form instead of being retired. Team-building stops being a matter of chasing the newest thing and becomes a long project of refinement.

There is also a castle to decorate, with thousands of decorations available, and 40 specializations for your character that grant perks changing how your creatures behave in combat. Between the specialization choice, the fusion line you pursue and the artifacts you craft, two players can approach the same dungeon with teams that share almost nothing in common.

Progression that keeps going after the credits

The developer is unusually blunt about how much content sits past the main story, promising enough to keep players engaged for thousands of hours. Treat that as marketing rather than a measurement, but the supporting numbers are concrete: 40 specializations, 1200-plus creatures, and a crafting system layered on top of both. The post-story material is where the specialization perks, fusion chains and artifact builds are meant to be pushed to their limits.

The 2.0 update, released in October 2025, expanded the game considerably. It added full localization in 14 languages, three new specializations, new game modes, and more than 180 creatures and traits alongside 70-plus spells and 200-plus achievements. It also brought performance work across battles, realm generation and saving, plus interface changes and a reworked fog of war.

For a game that first appeared in February 2022, that is a substantial second life. Cross-platform cloud saving lets you continue on the desktop version or another mobile device, so a run started on a phone is not stranded there. Full gamepad support is included as well, which suits a game with this many menus and battles.

The install base sits at over 10,000, with a 4.7 average across roughly 1,376 ratings. Those are modest numbers next to the biggest mobile RPGs, but they suggest the people who do find this game tend to stay with it.

What you pay, and what you don't

This is a paid game at $9.99, and that is the entire transaction. Nothing in the design is built around waiting or paying to skip a wait.

Cloud saving means the game is playable on a plane or anywhere else without a signal. For a game with this much grinding in it, being able to play in short bursts wherever you happen to be is a real advantage.

The one thing to weigh is the price itself. Ten dollars is a meaningful commitment on mobile, and it buys a game that expects you to invest serious time in understanding its systems. The rating is Everyone 10+, so the content is broadly suitable, though the complexity is aimed at older players.

The player this was built for

Siralim Ultimate rewards the kind of player who reads trait descriptions carefully and enjoys discovering that two abilities combine in an unexpected way. If you have ever spent an afternoon planning a team before ever entering a dungeon, the fusion system and the 40 specializations give you an enormous amount to work with. The randomly generated dungeons mean the loop stays available indefinitely without requiring you to replay a fixed campaign.

The flip side is that the game does not hold your hand through any of it. With over 1200 creatures, hundreds of traits and a crafting layer on top, there is a lot to absorb before the deeper strategies start to make sense. Players who want a guided experience with a clear difficulty curve may find the opening hours overwhelming rather than inviting.

The castle decoration is a nice change of pace for anyone who likes cosmetic projects, and the gamepad support makes longer sessions more comfortable. But the core appeal remains the team-building: this is a game about optimization, and it assumes you find that satisfying rather than tedious.

A deep, honest purchase for team-builders

Siralim Ultimate is easy to recommend to a specific audience and worth a moment's thought for everyone else. If you want a monster-catching RPG with genuine mechanical depth, a one-time price and no interruptions, this delivers an unusual amount of game for $9.99. The 2.0 update shows the developer is still adding to it, and the 4.7 average from over 1,300 ratings suggests that effort has landed well.

If you prefer shorter, more directed RPGs, or you are not interested in spending time learning a fusion and crafting system before the battles click, the scale here will likely work against you. That is not a flaw so much as a description of what the game is.

For the right player, this is the sort of purchase that quietly absorbs months. The combination of 1200-plus creatures, 6v6 battles, 40 specializations and no ads or in-app purchases is a rare package on mobile, and it is the reason the game has held its audience since 2022.

What's new

Siralim Ultimate 2.0 is here! This massive update adds: - Full localization in 14 languages - New game modes - 3 new specializations - 180+ new creatures, 180+ traits, 70+ spells, 200+ achievements, 80+ castle backgrounds, costumes, skins, and more - Major performance improvements across battles, realm generation, saving/loading - UI upgrades, new inventory and fusion options, fog of war revamp - Hundreds of balance changes and bug fixes