TrinityS
Released Apr 2024
TrinityS condenses the thrilling elements of MMO RPG endgame encounters into a white-knuckle, "Boss Rush" cooperative online action game for up to three players. Skip the MMO level grind and face off against fearsome foes that require precise coordination to defeat!
73% positive · 217 reviews
Done
All announced content has been released
Medium confidence
Done
All announced content has been released
Medium confidence
Where to buy
Steam $14.99
Can't confirm — worth a look
We couldn't confirm these stores carry this game.
Green Man Gaming Steam key Search IndieGala Steam key Search Prices in USD, as listed by each store.
Buying through an affiliate store helps support the site
Evaluation
TrinityS launched in Steam Early Access in April 2022 and officially released (version 1.0) on April 25–26, 2024, alongside the implementation of cross-play with console players. This 1.0 launch fulfilled the developer's original Early Access roadmap, which had outlined Hard Mode, character customization, missions, new skills, and eventually a full release — all of which shipped by the time the official version launched.
Since the 1.0 release, the developer has issued a handful of maintenance and feature patches (the most recent in August 2024) and one technical notice in October 2025 regarding a network service change. There have been no announcements of new content, no unreleased DLC on the store (the only DLC is the soundtrack, released in April 2022), and no developer statements indicating further content is planned. The post-launch update activity has been limited to bug fixes and minor quality-of-life improvements — not new content.
The developer's last communication of any kind was a network compatibility notice on October 22, 2025. No new content or development roadmap has been shared since the 1.0 launch, and the game's update history does not suggest an ongoing content cadence beyond what was already delivered. The game appears to have shipped as a complete product at its 1.0 release, with subsequent updates addressing only stability and compatibility.
Evidence
Official 1.0 release announced alongside cross-play implementation, marking the end of Early Access and fulfilling the original development roadmap
Developer announced the official Steam release and cross-play as the milestone marking two years since Early Access launch
Content
1 of 1 released · no outstanding content
Media
Details
Developer
Publisher
Phoenixx Inc.
Achievements
27
Platform
Windows
Controller
partial support
Steam Deck
Playable
Players
Single-player · Multiplayer · Co-op
About this game
All of the Fun, None the "MMO Grind"
TrintyS highlights the best parts of MMO endgame content by skipping the repetitive grind for levels or gear.
Get straight to the action with well-designed boss encounters that will test players' timing, skills, and coordination.

Up to three players can challenge a variety of formidable bosses, each with its own unique fight mechanics and attacks.
In this game, where movement and positioning are crucial, a momentary error in judgment can be fatal.
Dive right into the excitement of MMO endgame content with your friends.
Trinity is the Magic Number!

TrinityS features three unique characters
- Grey is a Knight who serves as a shield to protect his allies.
- Emile is a Wizard who clears away enemies with powerful magic.
- Bell is a Priest who supports allies with her healing power.

Each adventurer has different skills that can be customized between battles, allowing you to fine-tune each to your play style.
Choose the role that suits you best and learn to use the adventurer's different characteristics and skills with your team to take down the bosses!
Positioning & Communication are the Keys
In TrinityS, position and communication are paramount to defeating the bosses.Being in the right place lets you avoid massive damage from attacks and access powerful passive buffs the longer your character stands in place.
Communicate with your team to coordinate positions and timing of special skills to your party to victory!
Play Solo
TrinityS is a cooperative online action game but can also be played solo.Parter with AI companions to hone your skills on different bosses, experiment with other skills or learn to play a different adventurer.
Last evaluated Jun 23, 2026
Something about this evaluation looks wrong Report illegal or harmful content