How player counts are calculated?
(Updated: 22 February 2019)

Bulletstorm

Also known as:
Bulletstorm (Full Clip Edition) PS4
Release date:
22 February 2011 PS3
10 October 2012 PS+ (PS3)
7 April 2017 PS4
6 November 2018 PS+ (PS4)
Genre:
Linear Action, Shooter, First-Person
Total player counts:
~ 3,200,000
“Tasters”:
470,000 players (15%) earned no trophies in this game.
Sub-accounts:
1,800 players (0.1%) have this single game on their account.
PS+ effect:
110,000 played on PS4 before this game hit PS+.
1,500,000 played on PS4 after this game became available for free to PS+ subscribers.
Player counts by date (PS3, PS4):
Download CSV

MyPS4Life leak estimate:
~ 930,000 player counts on PS4 as of 19 November 2018.
(According to MyPS4Life video, 72,914 players had “Like a Boss” trophy. And according to PSN, this trophy was earned by 7.8% out of all Bullestorm (Full Clip Edition) players.)
Platforms:
PlayStation 3 1,500,000 48%
PlayStation 4 1,600,000 52%
Played on both 100,000 3%
Regions:
United States 41% – 1.3x more popular than in other countries
Great Britain 9% – 1.3x more popular
Germany 7% – 1.3x more popular
France 5% – 1.4x less popular
Russia 5% – 3.1x more popular
Canada 4% – 1.3x more popular
Spain 3% – 1.9x less popular
Brazil 3% – 1.6x less popular
Italy 3% – 1.2x less popular
Poland 2% – 2.9x more popular
Rest of the world 18%
Most popular: in Hungary (4.8x more popular), Russia (3.1x more popular), Ukraine (3.0x more popular), Poland (2.9x more popular), Czech Republic (2.8x more popular).
Least popular: in Hong Kong (18.0x less popular), Peru (4.9x less popular), Kuwait (4.2x less popular), Qatar (4.2x less popular).
Ignored or not avialable: in China, Ecuador, Korea, Indonesia, Taiwan...
Retention period:
8 days (median, “tasters” excluded, calculated as a period between the first and the last trophy earned in the game).

1 day 21%
2 days 10%
3 days 5%
4 days 4%
5 days 3%
6 days 3%
7 days 2%
8–14 days 14%
15–21 days 5%
22–29 days 4%
1 month+ 31%
Every number comes with ~15% margin of error. Also, bugs happen.
Games images were taken from playstation.net website.
gamstat.com is not affiliated with Sony in any other way.