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TrinityS

TrinityS

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!

Released Apr 25, 2024 Developer Indie-us Games Publisher Phoenixx Inc. Platforms Windows ActionCasualTop-DownOnline Co-OpMultiplayer
View on Steam ↗ $14.99 (US · as of 2026-09-25)

What players say

Steam review score and the most-helpful voices, which may include critical ones. Score via Steam as of 2026-09-02 · quoted reviews as of 2026-05-14.

74.0%positive219 reviews
Recommended · 1 found this helpful

“Excellent experience with two friends, if you have a group that likes strategy and theory crafting, it doesnt even matter if you dont have raiding experience or dont typically like this style. Well balanced game, perfectly challenging and evocative!”

— a player, Steam review · 26 hrs played
Recommended · 1 found this helpful

“This game is peak. While the gameplay feels clunky at first. The mechanic of having to stay still for power actually plays a huge part in the games boss fights. The boss fights are unique and interesting. Some of the fights are a bit difficult but with time and perserverance…”

— a player, Steam review · 29 hrs played
Read more reviews ↗

Achievement stats

Global completion rates across all Steam players — a data view of how far people actually get. Source: Steam official stats · as of 2026-09-19.

27achievements
20.6%median completion
0.3%rarest: Stellar "Trinity"
99.7% of players 89.9% of players 85.7% of players 81.1% of players 78.8% of players 77.6% of players 46.5% of players 42.2% of players 41.4% of players 41.1% of players 34.9% of players 34.2% of players 32.7% of players 20.6% of players 19.5% of players 19.1% of players 11.8% of players 8.2% of players 6.1% of players 5.2% of players 4.6% of players 4.1% of players 2.9% of players 1.2% of players 1.2% of players 1.1% of players 0.3% of players 99.7% 0% most earned rarest
Almost everyone has
99.7%Beginning of an adventure! — Welcome to TrinityS!
89.9%Burning Champion! — Defeated Stage 1 Fire Beast.
85.7%Sea Tyrant — Defeated Stage 2 Leviathan.
Rarest badges of honor
0.3%Stellar "Trinity" — Hidden achievement
1.1%Grand Cross — Hidden achievement
1.2%Thaumaturge — Hidden achievement

Price tracking

US-region pricing (USD), sampled twice daily by our own tracker since 2026-08-12. Steam prices vary by region — always confirm your local price on Steam.

$14.99current · sampled 2026-09-25 21:36 UTC
$7.49lowest since tracking began2026-09-14
US14.99 USD
EU12.49 EUR
UK11.39 GBP
Australia21.50 AUD
Canada17.49 CAD
Japan1,500 JPY
Brazil28.99 BRL
China50.00 CNY

Regional prices at last sample, in local currency — Steam sets each region's price independently.

Brazil≈$5.6 China Japan Canada EU US UK Australia≈$15

Cheapest → most expensive, converted to USD at ECB reference rates (2026-09-25). Relative comparison only.

$0 $10 $20 08-12 08-21 08-30 09-08 09-16 09-25

Latest official news

Developer announcements via the Steam news API — links go to the original posts. More across all games on the news hub.

Oct 22, 2025
[TrinityS] Notice Regarding Changes to Network Service Specifications

Thank you for playing TrinityS . Due to changes in the network service specifications currently used by the Steam version of TrinityS , some players may experience connection issues. If you encounter

Sep 25, 2024
[TGS2024 Sale & Console release 1st anniv] Campaign with Winnable Prizes!

Dear brave challengers facing mighty bosses, This is the TrinityS development team. Thank you very much for playing TrinityS on a regular basis. The console version of TrinityS, which was released las

Aug 09, 2024
[Patch Notes] 1.1.1.1

Challengers Facing Mighty Bosses! This is the TrinityS development team. Thank you for always playing TrinityS. This update includes feature improvements and several bug fixes. *Note: Due to the imple

May 30, 2024
[Patch Notes] 1.1.1.0

Challengers Facing Mighty Bosses! This is the TrinityS development team. Thank you for always playing TrinityS. This update includes feature improvements and several bug fixes. *Note: Due to the imple

May 10, 2024
Bug Fixes related to game sessions (1.1.0.1)

important bug fixes We have fixed the issue causing freezes upon entering the lobby under specific conditions, preventing players from enjoying online multiplayer properly. We sincerely apologize for

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Screenshots

Official Steam store screenshots — click any shot to enlarge.

Facts & details

From the Steam store record, snapshot 2026-05-14.

GenresAction, Casual, Indie
Player tagsAction · Casual · Top-Down · Online Co-Op · Multiplayer · Co-op · Arcade · Party-Based RPG · Action RPG · Magic · Stylized · Fantasy (SteamSpy community voting)
FeaturesSingle-player · Multi-player · Co-op · Online Co-op · Steam Achievements · Partial Controller Support · Steam Cloud · Family Sharing
LanguagesEnglish, Japanese * , Simplified Chinese, Traditional Chinese *
Achievements27
Official sitehttps://www.indie-us-games.co.jp/trinitys
Minimum system requirements (PC)

Minimum: Requires a 64-bit processor and operating system OS *: Windows 7 64-bit Processor: Intel Core i3 6300 or equivalent Memory: 4 GB RAM Graphics: NVIDIA GeForce GTX 680 or equivalent DirectX: Version 11 Network: Broadband Internet connection Storage: 5 GB available space