Maximum Entertainment and Breakfirst Games revealed that How 2 Escape: Lost Submarine will arrive June 24 on PC, Nintendo Switch, Xbox One, Xbox Series X|S, PlayStation 4 and PlayStation 5. A free demo is available immediately through Steam, PlayStation Store and Nintendo eShop, offering players an early look at the two‐player puzzle adventure.

In Lost Submarine, partners must cooperate across different devices to avert global conflict. One player delves into the vessel’s interior, examining compartments, unlocking hatches and uncovering hidden data. Meanwhile, a second player uses the dedicated How 2 Escape: Lost Submarine Companion App on PC, iOS or Android to decode encrypted messages, monitor external sensors and relay crucial hints. Both perspectives are essential to navigate escape‐room-style challenges before time runs out.

Developed by Breakfirst Games and published by Maximum Entertainment, Lost Submarine expands the asymmetrical co-op formula introduced in earlier How 2 Escape titles. The new installment adds dynamic environmental hazards such as flooding compartments and shifting power levels, requiring split-second decisions. The companion app also supports optional augmented-reality features for mobile users, enhancing immersion with real-world overlays.

Players who add the game to their Steam or console wish lists by next week will receive a 20 percent discount on preorders. The demo includes two early missions and access to the companion-app tutorial, giving teams the chance to fine-tune communication strategies ahead of launch.

Maximum Entertainment, known for a catalog exceeding 300 indie and AA titles, emphasizes cross-platform play and community-driven updates. Breakfirst Games brings over a decade of experience delivering family-friendly interactive experiences and motion-controlled gameplay, having found success with its Instant Sports franchise on Nintendo Switch.

How 2 Escape: Lost Submarine marks the latest chapter in a series built on cooperative puzzle solving. As players race against time and rising stakes, the submarine’s secrets, and the world’s fate, rest in their hands.