Hello, Masters.
OUTERPLANE will also be available on Steam starting August 26, 2026 (Wed).
Please review the following information regarding how to use your existing mobile account and important precautions before playing the Steam version.
■ Steam Release Information
Release Date and Time: August 27, 2026 (Wed) at 03:00 (UTC)
Steam Store: https://store.steampowered.com/app/4247320/
■ Important Information
The Steam version supports Google Login and Email Login.
You can access your existing UID and game data by logging in with the same Google or email account registered to your mobile account.
Apple Login is not supported on the Steam version.
If you are currently using an Apple or Guest account, you must link a Google or email account on your existing mobile device first.
After logging in on Steam, make sure that your nickname and UID match your existing account.
If a new account or different character is displayed, do not proceed with gameplay or make any purchases. Please contact Customer Support.
An email address that is already registered to another OUTERPLANE account cannot be linked.
■ How to Use Your Existing Mobile Account
1. If You Are Using a Google Account
Log in on Steam with the same Google account used on the mobile version.
Launch OUTERPLANE on Steam.
Select [Google Login] on the login screen.
Select the Google account used on the mobile version.
After logging in, check your existing nickname and UID.
2. If You Are Using Email Login
Log in on Steam with the same email address and password used on the mobile version.
Launch OUTERPLANE on Steam.
Select [Email Login] on the login screen.
Enter the email address and password used on the mobile version.
After logging in, check your existing nickname and UID.
3. If You Are Using an Apple Account
Apple Login is not supported on the Steam version. If you currently use an Apple account, you must first add Email Login to the game account on your existing mobile device.
① Log in to OUTERPLANE with your Apple account on your existing mobile device.
② Open [Menu] in the upper-right corner of the game screen, then select [Settings].
③ Open the [Account] tab and select [Manage Account].
④ Select [Login with Email ID] on the [Link Account] screen.
⑤ Enter the email address and password you wish to use.
Your password must be 6–28 characters long and include all of the following:
An uppercase letter
A lowercase letter
A number
A special character
⑥ After linking the account, check that the UID is the same as your existing UID.
⑦ Launch OUTERPLANE on Steam and select [Email Login].
⑧ Log in with the email address and password linked on the mobile version, then check your existing nickname and UID.
An email address already registered to another OUTERPLANE account cannot be linked. If this message appears, please use a different email address.
If you need help identifying or recovering an existing account, please contact Customer Support. Account ownership verification may be required.
4. If You Are Using a Guest Account
Guest account information is stored locally on the device where the account was created.
To use an existing mobile Guest account on Steam, you must first link a Google or email account on the mobile device where the Guest account is currently stored.
① Launch OUTERPLANE on the mobile device where you used the Guest account.
② Open [Menu] in the upper-right corner of the game screen, then select [Settings].③ Open the [Account] tab and select [Manage Account].④ Select [Login with Google] or [Login with Email ID] and proceed with account linking.⑤ If you select [Login with Email ID], enter the email address and password you wish to use. If you select Google, complete the Google account linking process.⑥ After linking the account, check that the UID is the same as your existing UID.
⑦ Launch OUTERPLANE on Steam.
⑧ Log in with the same Google or email account linked on the mobile version, then check your existing nickname and UID.
An existing mobile Guest account cannot be accessed directly from another device.
If you cannot link the account on the original mobile device, please contact Customer Support to request account recovery. Account ownership verification may be required.
■ Email Account Password Requirements
When linking an email account, the password must meet all of the following requirements:
6–28 characters
Includes an uppercase letter
Includes a lowercase letter
Includes a number
Includes a special character
Account linking may fail if the email address or password is incorrect or if the password does not meet these requirements.
■ If Email Account Linking or Login Fails
1. If “The email or password is incorrect” is displayed Please check the following:
Make sure the email address was entered correctly.
Make sure the password includes uppercase and lowercase letters, numbers, and special characters.
Make sure the password is 6–28 characters long.
Make sure there are no spaces before or after the email address or password.
Correct the information and try again.
If the same error continues after checking all of the above, please take a screenshot of the error and contact Customer Support.
2. If the Email Address Is Already Registered to Another Account
The email address cannot be linked because it is already registered to another OUTERPLANE account. Please use a different email address. If you need help identifying or recovering the existing account, please contact Customer Support.
■ Starting OUTERPLANE on Steam for the First Time
You can start the Steam version using a Google, email, or Guest account.
An account newly created on Steam can also be used on the mobile version after linking a Google or email account. Log in on mobile with the same linked account to access the same UID and game data.
Guest account information is stored locally on the device. We strongly recommend linking a Google or email account to protect your game data.
■ Game Data and Simultaneous Login
The mobile and Steam versions use the same game servers.
When you log in with the same account, the same UID and game data are available on both mobile and Steam.
You cannot access the same account on mobile and Steam simultaneously.
If the same account is accessed from another platform, the existing session will be disconnected.
■ Steam Purchases and Paid Currency
Purchases on the Steam version are processed through Steam Wallet.
Purchased items are delivered directly to the in-game account.
Paid currency purchased on mobile can also be used on Steam.
Paid currency purchased on Steam can also be used on mobile.
If an item is not delivered after payment or a duplicate payment occurs, do not attempt another purchase. Please contact Customer Support.
Refund requests must be submitted through Customer Support.
Once a refund is approved, the refunded amount will be returned to your Steam Wallet.
■ Supported Languages
Korean: Interface / Full Audio / Subtitles
English: Interface / Full Audio / Subtitles
Japanese: Interface / Full Audio / Subtitles
■ Minimum System Requirements
OS: Windows 10 64-bit
Processor: Intel Core i3-6100 or AMD Ryzen 3 1200
Memory: 8 GB RAM
Graphics: Intel UHD Graphics 630, NVIDIA GeForce GTX 460, or AMD Radeon HD 6850
DirectX: Version 11
Storage: 20 GB available space
■ Recommended System Requirements
OS: Windows 10/11 64-bit
Processor: Intel Core i5-8400 or AMD Ryzen 5 2600
Memory: 16 GB RAM
Graphics: NVIDIA GeForce GTX 1050 Ti or AMD Radeon RX 570
DirectX: Version 11
Storage: 20 GB available space
Additional Notes: SSD recommended
■ Steam Version Support Information
Controller Support: Not supported
Steam Deck: A Steam Deck compatibility rating has not yet been assigned.
Anti-aliasing, FPS, resolution, and other graphics effects can be adjusted under [Settings] → [Graphics] in the game.
■ Steam Version FAQ
Q. Can I use my existing mobile account on Steam?
A. Yes. Log in with the same Google or email account registered to your existing mobile account to access the same UID and game data.
Q. Do I need to link my Steam account separately?
A. No separate Steam account linking process is required. Launch OUTERPLANE on Steam and log in with the Google or email account registered to your existing game account.
Q. Can I log in on Steam with an Apple account?
A. Apple Login is not supported on the Steam version.
Log in with your Apple account on your existing mobile device and add Email Login to the game account. You can then access your existing data on Steam using the linked email address and password.
Q. Can I link an email address already registered to another account?
A. No. An email address already registered to another OUTERPLANE account cannot be linked. Please use a different email address.
If you need help identifying or recovering the existing account, please contact Customer Support. Account ownership verification may be required.
Q. Can I use my existing mobile Guest account on Steam?
A. Yes, after linking a Google or email account on the mobile device where the Guest account is currently stored.
A mobile Guest account cannot be accessed directly from another device. Account linking must be completed on the original device.
Q. I cannot link my Guest account on my existing mobile device.
A. Please contact Customer Support to request account recovery. Account ownership verification may be required.
Q. Can I start the Steam version with a Guest account?
A. Yes. However, Guest account information is stored locally on the device. We recommend linking a Google or email account to protect your game data.
Q. Can an account created on Steam also be used on mobile?
A. Yes. Link a Google or email account on Steam, then log in to the mobile version with the same account.
Q. Is game data shared between mobile and Steam?
A. Yes. When you log in with the same account, the same UID and game data are available on both platforms. The mobile and Steam versions use the same game servers.
Q. Can I access the same account on mobile and Steam simultaneously?
A. No. If the same account is accessed from another platform, the existing session will be disconnected.
Q. I logged in, but my existing character is not displayed.
A. Compare the UID of the currently logged-in account with the UID of your existing mobile account.
If the UIDs are different or a new character is displayed, do not proceed with gameplay or make any purchases. Take screenshots showing both UIDs and contact Customer Support.
Q. Can I unlink my account or change the linked login account?
A. Please contact Customer Support if you need assistance with account unlinking, changing the login account, relinking, or account recovery.
Q. Can I use paid currency purchased on mobile on Steam?
A. Yes. Paid currency purchased on mobile and paid currency purchased on Steam can be used on both platforms.
Q. How are purchases made on Steam?
A. Purchases are processed through Steam Wallet. Purchased items are delivered directly to the in-game account.
Q. I completed a purchase, but the item was not delivered.
A. Do not attempt another purchase. Check your game UID and Steam transaction history, then contact Customer Support.
Q. I was charged more than once.
A. Please contact Customer Support with your game UID and the relevant Steam transaction records.
Q. How do I request a refund for a purchase made on Steam?
A. Submit a refund request through Customer Support. Once the refund is approved, the refunded amount will be returned to your Steam Wallet.
Q. Can I use a controller?
A. The Steam version does not currently provide official controller support.
Q. Can I play OUTERPLANE on Steam Deck?
A. A Steam Deck compatibility rating has not yet been assigned.
■ Customer Support
If you experience an issue related to login, account linking, payments, or refunds, please contact Customer Support:
Customer Support: https://outerplane.helpshift.com/
For faster assistance, please include the following information:
Game UID
Login method
Email address registered to the account
Screenshot of the issue
Error message displayed
Date and time when the issue occurred
Steam transaction history or receipt for purchase-related inquiries
Do not include your account password or email verification code in your inquiry.
Thank you.