Spread Certificate · No. HIS-00446
This certifies how far it spread
Cities: Skylines
Paradox Interactive (publisher); Colossal Order (developer) ·March 2015 ·seeded onOpen webthenPressRedditTwitch
Spread Score
45
Notable
Verified independently
Verified
60.4K players
All-time peak concurrent Steam players
SteamDB
Verified
#1
Steam weekly revenue chart, week ending March 22, 2015
SteamDB
Verified
Same day
Seed to peak, Mar 10, 2015
Verified
4 platforms
Started on Open web
Claimed, not audited
Claimed
12M sold
Copies sold on all platforms
Per Paradox Interactive AB / Cision
Claimed
144K posts
Community Workshop mods, maps, scenarios and assets; owner lower bound
Per Paradox Interactive
Claimed
5M sold
Copies sold on PC platforms at third anniversary; owner lower bound
Per Paradox Interactive