How many people are playing Kerbal Space Program right now?

Kerbal Space Program has 2,465 players on Steam right now, with a 24-hour peak of 4,526 and an all-time peak of 23,459 on Apr 2026.

What is the all-time peak player count of Kerbal Space Program?

23,459 concurrent players on Apr 2026.

Kerbal Space Program was released on Steam on 27 Apr 2015.

17 depots · 15.3 GB on disk

Sizes from the public manifests

Depot ID	Name	OS	Language	Size	Download
220201	—	windows	—	36 B	80 B
220202	—	macos	—	4.64 GB	1.63 GB
220203	—	linux	—	4.64 GB	1.64 GB
220204	—	windows	—	4.63 GB	1.62 GB
220205	—	all	spanish	154 MB	72.5 MB
220206	—	all	russian	192 MB	109 MB
220207	—	all	japanese	305 MB	239 MB
220208	—	all	schinese	237 MB	160 MB
220209	—	all	brazilian	137 MB	68.4 MB
220210	—	all	german	160 MB	95.3 MB
220211	—	all	—	171 B	144 B
220212	—	windows	—	171 B	144 B
220213	—	all	—	171 B	144 B
220214	—	windows	—	171 B	144 B
220215	—	all	french	131 MB	65.9 MB
220216	—	all	—	171 B	144 B
220217	—	all	italian	125 MB	62.9 MB

updated this weeklargest depotshared from another app