Best-selling sci-fi shooter videogame

Best-selling sci-fi shooter videogame
Who
Halo 3
What
12,130,000 unit(s) sold
Where
Not Applicable
When
21 March 2019

The best-selling sci-fi shooter game is Halo 3 (Bungie/Microsoft Games Studios, 2007), with global sales of 12.13 million as of 21 March 2019, according to VGChartz.