Opus Castle

Mixed · 88 reviews

60% positive (53 / 88)

Link Hub

View on Steam→Discord→

Screenshots

Description

Opus Castle it's a 3D horror, adventure and mysterious game with a narrative based on the real tragic history of the little castle on Apa Street, located in the city of São Paulo, Brazil.

Single-player

Released

November 9, 2021

Price

Free

Platforms

Windows

Developer

Messier Games

Publisher

QUByte Interactive

Last sync

July 21, 2026

Action Adventure 3D Action-Adventure Atmospheric Choices Matter Dark Exploration FPS Fantasy Historical Horror

Browse all

#Action #3D #ActionRoguelike

Anything But A Gun

A roguelite first-person shooter set in a corporate office overrun by AI. Battle through randomized floors using 20 bizarre weapons. Earn achievements, unlock upgrades, and take back everyone's jobs. The only rule? It's Anything But A Gun.

View game

Free

#Action #2D #2DFighter

Sengoku - A Time of Warriors and Demons

A 2D action platformer set in the Japanese Sengoku period that chronicles a warrior's quest to save his kingdom. (IMPORTANT NOTICE: The required keyboard layout for this game is U.S. Other layouts may result in issues where buttons fail to carry out the desired action).

View game

Free

#Action #3D #3DPlatformer

Shotgun Science

Play as a test subject for a shotgun focused research company, while the tests keep coming the AI that overviews the testing seems to be getting aggressive.

View game

Free

#Action #3DPlatformer #Action-Adventure

Mya of the Desert

Mya of the Desert is a Puzzle Platforming game where you use earth manipulating powers, or Geomancy, to overcome obstacles, solve puzzles, and defeat foes. Elevate pillars of earth and bend rocks to your will as Mya, a desert wanderer, as she returns life to the world around her!

View game

Free

#Action #2.5D #2DPlatformer

STAY ALIVE

A deep web community celebrates Halloween with a live broadcast. Girls are kidnapped and forced to navigate a scenario full of deadly traps for the viewer's entertainment.

View game

Free

#Action #3D #4PlayerLocal

The Good Plague

Uncover a goofy medieval world and its offbeat humor. Choose your hero and challenge your friends and family through a diverse range of minigames in order to escape a plagued kingdom to safety. Playable in local multiplayer from 2 to 4 players.

View game

Free

#Action #2D #Adventure

Introvert: A Teenager Simulator

One of the new guys in school tells you he’s going to shoot up the school if he doesn’t make friends in 5 days. Discover the decisions, people, situations you will encounter while playing and trying to make friends of your own and living your own life.

View game

Free

#Action #3D #3DPlatformer

The Way of Cinnamon

Join Cinnamon on this 3D platforming adventure, and rescue his captive Red Panda family from the evil Wu-Long and his band of Snow Leopards! Create your own platforms and attack enemies using an innovative shield-throwing mechanic, and collect items across multiple unique environments!

View game

Free

#Action #3D #AutoBattler

Idle Hero TD - Tower Defense RPG

Endless Idle Tower Defense with deep strategy and RPG progression and combat mechanics. Recruit, upgrade, and position powerful fantasy heroes, discover game-changing synergies, and survive infinite monster waves. Grow stronger every run with literally millions of upgrades and endless auto battles.

View game

Free

#Action #2D #2DPlatformer

Iltami

2D Fantasy game. Chill and easy to play or fast and difficult..? The GREEN circle is for play, the BLUE circle is for controls. Collect all the birds and reach all the levels as fast as possible. Have fun! It goes well with red wine or cold beer...

View game

Free

#Action #2D #2DPlatformer

UEBERNATURAL: The Video Game - Prologue

A TALE OF 2 MONSTERHUNTING BROTHERS! No matter what kind of monster - No matter what kind of mystery - No matter what kind of classic rock song… Dan & Gene will be on site! This is their business! The family business...

View game

Free

#Action #3D #ActionRoguelike

NoRail

A twisted train circles a dead sun—and you’re its only passenger. Scavenge what’s left at abandoned stations, fend off the twisted remnants of android servants, build the ultimate loadout, and uncover the truth behind an endless loop. Can you reach the front before it’s too late?

View game

Free

Opus Castle

Link Hub

Screenshots

Description

More Action games

Anything But A Gun

Sengoku - A Time of Warriors and Demons

Shotgun Science

Mya of the Desert

STAY ALIVE

The Good Plague

Introvert: A Teenager Simulator

The Way of Cinnamon

Idle Hero TD - Tower Defense RPG

Iltami

UEBERNATURAL: The Video Game - Prologue

NoRail