Infestation: Survivor Stories infests 1.3 million users

Infestation: Survivor Stories has surpassed 1.3 million registered users worldwide, according to publisher OP Productions. The controversial game formerly known as The War Z seems to be doing well for itself, and is planning an add-on pack incorporating community suggestions for this summer.

GameSpot reports that, according to OP, more than 400,000 players log in per month, and 100,000 play daily. The average user is said to have spent more than 95 hours in the game.

The War Z had a troubled launch, having been pulled due to player complaints. Executive producer Sergey Titov apologized for arrogant responses, but the trouble didn't stop there. After relaunching in February, it was hacked in April. In fact, a Steam promotional spot for Infestation is part of what prompted a letter to Valve on its Greenlight program, prompting a response from the company yesterday.