KubiSolitaire is a variant of the popular Klondike solitaire game. It offers an intuitive and customizable user interface and multiple game variations.

Choose from the following game variants:
- Draw one, two or three cards
- Scoring: none, games, standard or Vegas
- Arbitrary placement on free tableau stacks or kings only
- Limitation of the number of passes by default or arbitrarily

You can also customize the game interface to your taste:
- Game display in portrait or landscape format
- Display of the game time
- Display of accumulated points or for each game individually
- One of 4 background colors for the playing table
- One of 6 different card faces
- One of 16 card backs, 6 of them with photo frames
- Add your favorite photo to the photo frame of a card back
- Control the volume of the game sounds individually or play them silently
- Control the animation speed or suppress the animations altogether

Use app commands and settings to optimize their gameplay:
- Cross-device and cross-platform storage of accumulated scores
- Game wizard marks the next possible game action on demand
- Start a new game at any time
- Unlimited undo and redo
- Automatic game finishing
- Restart of the current game
- Animated forward/backward playback
- Archive and reopen games from the archive or from elsewhere

From version 2023.01 on KubiSolitaire can be used with two different licenses:
- Offline license
* All games are free of charge.
* The period of use is unlimited on the operating system versions for which KubiSolitaire is released.
* You do not need to register with an e-mail address.
* The game success and game statistics are stored only locally.
* You can switch to the online version at any time by creating a corresponding account.
- Online license
* All games are free of charge.
* The period of use is limited in time. By purchasing a corresponding add-on, the period of use can be extended by 3 or 12 months.
* You need to create an account with your email address. The license can be used on all devices regardless of the operating system if you use the same account on all devices.
* The game success and game statistics are stored centrally in the KubiSolitaire server and are synchronized to all devices used.
* You can also switch to the offline version later, simply by deleting your account.
- New customers automatically receive the offline license.
- If you have installed an earlier version of KubiSolitaire, you are still using an older variant of the online license. When installing a newer version, you will be presented with all license information and given the option to switch to the offline license.

KubiSolitaire runs on Windows from version 10, on Android from version 7.0, and on iOS from version 15.