How many people are playing Mahjongg Investigations: Under Suspicion right now?

Mahjongg Investigations: Under Suspicion is app 12540 on Steam. Player counts appear once the tracker has sampled it.

What is the all-time peak player count of Mahjongg Investigations: Under Suspicion?

0 concurrent players on 13 Sep 2026.

Mahjongg Investigations: Under Suspicion was released on Steam on 29 Jul 2008.

GameApp ID 12,540by ZemnottReleased 29 Jul 2008

WindowsEngine —

PICS config · launch options

1 launch options

#	Executable	Arguments	Type	OS	Description
0	MahjonggInvestigations.exe	—	—	—	—

Key	Value
installdir	Mahjongg Investigations Under Suspicion
contenttype	3

Mahjongg Investigations: Under Suspicion Configuration · SteamPeaks