Certainly! Here’s the altered text featuring synonyms and restructured sentences, all while preserving the HTML tags and formatting:
**Merge Gun: First-Person Shooter Zombie** is a strategic safeguarding experience. The main mission for you is to vanquish every advancing walking corpse before they vanquish you. Before you get into any conflict, you have the option to acquire further weaponry and meld twin arms into more enhanced forms.
On Computer and Portable Device: Click and haul on the central area = move the guns and fuse them. Grip and slide = steer using the crosshair. Depress = discharge.
