How many people are playing Defense Grid: Resurgence Map Pack 4 right now?

Defense Grid: Resurgence Map Pack 4 is app 18521 on Steam. Player counts appear once the tracker has sampled it.

When was Defense Grid: Resurgence Map Pack 4 released on Steam?

Defense Grid: Resurgence Map Pack 4 was released on Steam on 23 Jun 2010.

Steam features

WorkshopNo

MarketNo

Trading cardsNo

In-app purchasesNo

AchievementsYes

Remote PlayNo

Steam CloudNo

Family sharingYes

Single-playerDownloadable ContentSteam AchievementsPartial Controller SupportStatsSteam LeaderboardsFamily Sharing