1. Click the "GET INSTANT ACCESS" button to purchase Universe with a Visa or MasterCard via our payment processor Verotel. Verotel is one of the oldest payment processors on the internet and has 24/7 customer service.

2. Upon purchase you will receive a temporary username and password from Verotel to use for downloading the game immediately. This username and password will be valid for 30 days.

3. Within 48 hours after purchase you will receive an e-mail from us with a permanent username and password to use if you need to download the game again after 30 days. (Please remember to check your spam folder!)

Payment declined by Verotel? Please see our payment help page here for common payment issues and solutions.

We can also accept payment 206元 via Alipay.

Please contact us for a QR payment code and instructions: support@disciplinemaster.net; Specify you want to buy Universe.

We can also accept Bitcoins upon request. Please contact us for instructions: support@disciplinemaster.net

Click the icon to download Discipline Master Universe for Windows (600 MB). Extract the ZIP file and start the game via dmu.exe or the scenario editor via dmueditor.exe

Please read these instructions carefully and follow exactly. Sadly Apple continues to make launching non-app store applications more difficult:

1. Click the Mac icon and download the Discipline Master Universe *.dmg file (600 MB)
2. When the download is complete, open the download folder.
3. Double click the *.dmg file to mount it.
4. In the window that has popped open drag the dmuGame icon to Applications in Finder.
5. Open up Applications in Finder.
macOS 14 and earlier
6. Double click on the dmuGame icon.
7. A warning stating "dmuGame cannot be opened because the developer cannot be verified" will appear. Click cancel.
8. Control click the dmuGame icon and click open from the menu. This time you will be given a warning and a choice to open the application. Click open.
macOS 15 and 16
(Yes, unfortunately Apple has gone absolutely bonkers with its so-called "Gatekeeper" in macOS 15 and 16.)
6. Open Terminal (Applications -> Utilities)
7. Type the following command and press Enter: sudo spctl --master-disable
8. Enter your admin password if prompted. This will allow you to override Apple's blocking of non-App Store applications. Exit Terminal.
9. Click on the Apple menu in the top left corner and select System Settings.
10. Scroll down and click on Privacy & Security in the sidebar.
11. Under "Allow applications downloaded from" select "Anywhere".
12. Close the System Settings.
13. Back in Finder double click on the dmuGame icon.
14. A warning stating "dmuGame cannot be opened because the developer cannot be verified" will appear. Click cancel.
15. Control click the dmuGame icon and click open from the menu. This time you will be given a warning and a choice to open the application. Click open.
[Note: You only need to do steps 6-11 once.]