List of New IP Shooters that Sold 1 Million Inside the First Month on a Single Platform*

[cheshirescat]

Fei-Hung said:
About GTA, shooter or not, the first GTA didn't sell a million million on any platform.

http://www.ign.com/wikis/batman-arkham-knight/Riddler%27s_Revenge

I think you have the wrong link there, old chum.  Besides, the first two gta games aren't really shooters in the same way as 3 and beyond.