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Guerrilla Games may have etched its name into the top game developer stage with single player role-playing title Horizon: Zero Dawn, but its back catalogue is packed with online multiplayer experiences. And with Sony suggesting that it’d like to do a little more in the online space, it looks like Dutch developer is busy beavering away on something new to keep PlayStation Plus subscribers engaged.

It’s no secret that the studio hired back Simon Larouche, who previously worked on Killzone 2 but is perhaps best known for directing Tom Clancy’s Rainbox Six: Siege. And in Amsterdam, he’s busy beavering away on a secret project that’s currently staffing up. Among the roles is a Java developer for what appears to be a heavily multiplayer-focused game.

The job listing reveals that candidates will be responsible for building “a robust backend that can scale up to serve many concurrent users” and “working on systems like matchmaking, tournaments, clans, and leaderboards”. There’s also mention of PlayStation Network integration, and systems testing to avoid “server downtime”. Sounds like an online multiplayer project to us.

Now before you panic, it’s perhaps worth mentioning that Guerrilla Games is an absolutely colossal company now, spanning 400 or more employees. The reality is that it probably has enough resources to develop a multiplayer game while it prototypes the inevitable Horizon: Zero Dawn sequel. We’d expect whatever this turns out to be to launch alongside the PlayStation 5.