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Sony and Bad Robot Reveal 4:Loop, a Four-Player Roguelite Co-Op Shooter for PS5 and PC

Led by Left 4 Dead creator Mike Booth, the game invites early testers to help refine its improvisation-driven combat sandbox.

Overview

  • Announced at The Game Awards 2025, the title is being published by Sony for PlayStation 5 and Windows PC, with wishlists live on the PlayStation Store and Steam.
  • The project is led by Mike Booth and marks Bad Robot Games’ first fully in-house development effort.
  • The gameplay emphasizes four-player tactical cooperation with roguelite systems designed for high replayability and on-the-fly strategy.
  • Deaths trigger a reprint via a die-and-return loop, and items like the Blink Berry enable unpredictable tactics that even surprised the developers.
  • Squads disrupt an alien mining network across three Acts, upgrade gear between missions toward a Mothership showdown, and closed playtest sign-ups are open at PLAY4LOOP.COM with no release date announced.