"777 Deathmatch"
Rotate: left drag. Move: right drag. Zoom: wheel (hold Alt to zoom fast). Re-anchor: double-click.

"777 Deathmatch"
Look around: left drag. Move: wheel.

"777 Deathmatch"
Rotate: drag. Move: two-finger drag. Zoom: pinch.

"777 Deathmatch"
Look around: drag.