Valve's unannounced shooter Deadlock hits 18,000 concurrent players even in closed testing

Valve Softwares newest multiplayer shooter, Deadlock, is its worst-kept secret by a country mile.

Afterseveral gameplay leaksearlier this year, Deadlock racked up a concurrent player count of over 18,000 this week.

The game waspreviously known asCitadel and Neon Prime, but is now referred to as Deadlock in closed testing.

According to SteamDB, the game peaked at over 16,000 concurrent players last weekend.

The real question is: when will Valve revealits new Half-Life game?