Download the app from your device's app store, open it, and follow the on-screen instructions to begin the game.

Use the virtual joystick to move, tap buttons to shoot, and swipe for actions like changing weapons or using secrets.

Progress through levels to unlock weapons and find secrets; some may be hidden or require specific actions within levels.

Yes, the game automatically saves your progress; you can resume from your last saved point at any time.

It features classic levels, enhanced graphics, new secrets, and weapon upgrades that elevate the original experience.

Yes, some optional skins or extras may be available; check Settings > Store for available purchases.

Go to Settings > Account > Subscriptions to view or cancel your subscription and manage purchases.

Currently, the full version is available for purchase without a free trial; check the app store for demo options if available.

Try restarting your device, update the app and OS, or reinstall the game. Contact support if issue persists.