Okay, here’s the revised content with synonyms and sentence structure adjustments, preserving the HTML tags:
Robot Onslaught is a shooting game played from a first-person point of view.
Defend Earth against mechanical beings. The gameplay provides three challenge tiers, each presenting ten distinct levels. You have the ability to acquire medkits and weaponry. In the settings menu, you are able to turn on/off universal audio and modify the mouse responsiveness.
Movement – Directional keys or WASD.
Jump – Spacebar.
Shoot – Left mouse click.
Aim – Right mouse click.
Halt – Tab / P.
Dash – Shift + WASD.
First aid kit – F.



