To resolve the issue of Slotomania opening sideways, follow these actionable steps:

1. Check Device Orientation Settings:

Ensure your device's auto-rotation feature is enabled:
- Go to Settings > Display (or Display & Brightness).
- Look for Auto-rotate screen and make sure it's turned on.

2. Force Rotate the Game:

Sometimes, manually rotating the device can reset its orientation:
- Open Slotomania and rotate your device a few times between portrait and landscape mode.
- Give the game a moment after rotating to see if it adjusts itself.

3. Restart the App:

Close Slotomania completely and restart it:
- On Android, you can do this by navigating to Recent Apps, then swipe away the Slotomania app.
- On iOS, double-click the Home button or swipe up from the bottom of the screen to access recently used apps, and swipe away Slotomania.

4. Reboot Your Device:

A simple reboot can often fix various app issues:
- Turn off your device completely and wait for about 10-15 seconds before turning it back on.

5. Update the App:

Ensure you have the latest version of Slotomania:
- Go to the Google Play Store or Apple App Store.
- Search for Slotomania and check if an update is available. If yes, install it.

6. Clear Cache (For Android Users):

Cleaning the app's cache can remove corrupted data that might cause display issues:
- Go to Settings > Apps > Slotomania.
- Tap on Storage and then select Clear Cache.

7. Check for System Updates:

Ensure your device's operating system is up to date:
- Go to Settings > System > System Update.
- Download and install any available updates.

8. Reinstall the App:

If the issue persists, uninstalling and reinstalling Slotomania may be necessary:
- Uninstall Slotomania from your device.
- Go to the app store and reinstall it.

9. Contact Support:

If none of the above steps work, reaching out to Slotomania's support may provide a solution tailored to your specific issue. You can find contact information on their Play Store listing or through the app itself.

By following these steps, you should be able to resolve the sideways opening issue with Slotomania. For further troubleshooting tips, you may refer to the helpful guides available online. - learn more - learn more - learn more - learn more.