HOW TO PLAY

Controls and goals

How to operate
Move with WASD or arrow keys. F, Enter, left mouse click to advance the conversation, battle by left mouse click
Goal
Conversation and exploration lead you to the mysterious Gold Museum, where you free the soul from its tangled chains and open the story.

ABOUT THE GAME

Follow the conversation,
Head to the golden world.

"CallOpus" is a story-oriented RPG set in a mysterious golden museum. Move the main character, talk to people, and free his soul from the intertwined chains as you move forward with the story that leads to a new history.

01

Explore the Golden Museum on foot

Move the main character on the top-down screen and move through rooms and hallways. Check your current location on the mini map in the upper right corner and proceed to the destination of the story.

02

Follow the story through conversations and choices

Use F, Enter, and left click to send a conversation and choose a response depending on the situation. Conversation history and auto forwarding are provided, allowing you to read long introductions and stories at your own speed.

03

Challenge the battle with click operations

The official work page states that you can control the battle by left clicking the mouse. After exploring and talking, you will enter into battle and aim to free the souls entangled in chains.

PLAY NOTES

Play notes

Required time
The official unityroom work page states that the expected play time is over 2 hours.
Language
Operation instructions, conversations, options, and objectives are displayed in Japanese. You can check the start and progress only in Japanese, no understanding of English is required
How to proceed in the beginning
Select "From the beginning" and check the operating instructions if necessary. Proceed through the introductory conversations and choices, and when you can move, head to the bus from the exit at the bottom of the screen.
Fees/Support environment
You can play the official web version of unityroom for free on your computer browser.
ENTER THE MUSEUM

Follow the conversation,
Let's head to the Golden Museum.

Play CallOpus for free on unityroom

We confirmed the official unityroom work page, official commentary policy, and official web version on September 2, 2026. The two published images were taken by the editorial department on the official web version. Sources: CallOpus — unityroom official work page, unityroom — Game live distribution policy

STREAMING INFO

Streaming and video uploads

Streaming allowedMonetization allowed

The work page is subject to Unityroom's "Live OK" feature. In broadcasts and videos, please display the game title, poster name, and URL in a way that is easily understood by viewers. Content that violates public order and morals, assertions of political or religious beliefs, hate speech, and slander against the poster or others are prohibited. If you follow the conditions, you can perform live broadcasts and make money, and there is no need to contact us beforehand or after the event. Please check the latest terms and conditions before publishing.

Checked: · Official sources: CallOpus — unityroom official work page, unityroom — Game live distribution policy

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