British video game developer Rebellion has unveiled a brand-new trailer for its upcoming action horror shooter Alien Deathstorm, offering fans an extended look at what promises to be one of the most intense sci-fi gaming experiences in recent years. The trailer, which debuted at Gamescom 2025, showcases the game’s atmospheric world, terrifying alien adversaries, and survival-focused gameplay mechanics. Ben Fisher, Rebellion’s Head of Design, has outlined five crucial elements that players can expect when the game launches, providing valuable insight into the studio’s creative vision and technical ambitions for this ambitious new IP.

Alien Deathstorm positions players as an Engineer dispatched to an off-world mining colony that has mysteriously lost contact with Earth. What begins as a routine rescue mission quickly devolves into a harrowing fight for survival as players discover that the situation is far worse than anyone anticipated. The game marks a significant departure from Rebellion’s established franchises while leveraging the studio’s decades of experience in creating compelling shooter experiences. Founded in 1992, Rebellion has built a reputation for delivering unique gaming experiences, from the tactical precision of the Sniper Elite series to the chaotic fun of the Zombie Army games, and Alien Deathstorm appears to combine elements from both while carving out its own distinct identity.

The Catastrophic Mega-Storm and Its Impact on Gameplay

Perhaps the most visually striking element revealed in the new trailer is the mega-storm that serves as both a narrative catalyst and a constant environmental threat. This apocalyptic weather phenomenon is literally tearing the planet apart, creating a dynamic and ever-changing battlefield that players must navigate to survive. The storm represents more than just a backdrop; it’s an active participant in the gameplay experience, forcing players to make split-second decisions about when to seek shelter and when to push forward through the devastation. The visual effects showcased in the trailer demonstrate impressive technical achievement, with debris, lightning, and atmospheric disturbances creating a genuinely oppressive atmosphere. Environmental storytelling has become increasingly important in modern gaming, and Rebellion appears to be using the mega-storm as a tool to convey the desperate circumstances facing the colony and its inhabitants.

The contrast between outdoor and indoor environments adds another layer of tension to the experience. While the exterior world is being decimated by the relentless storm, seeking refuge indoors provides no respite from danger. The aliens present a more persistent threat within the colony’s structures, using shadows and confined spaces to stalk their prey. This design philosophy echoes some of gaming’s most celebrated horror experiences while establishing its own unique identity through the interplay between two distinct types of environmental hazards.

The Reactor Mission and Objective-Based Gameplay

The trailer footage is captured from the Reactor mission, which occurs approximately midway through Alien Deathstorm’s campaign. This particular level tasks players with fighting their way into a malfunctioning fission reactor to restore power to the colony’s systems. The mission structure requires visits to multiple dangerous locations, including an underground substation and the reactor’s flare stack, each presenting unique challenges, exposed terrain, and opportunities for deadly alien ambushes. Rebellion has emphasized that they are taking a novel approach to mission design with Alien Deathstorm, building on concepts they explored in their previous title Atomfall. Rather than providing players with explicit waypoint markers and hand-holding guidance, objectives are presented through the player’s digital assistant, Squire, mimicking a realistic readout that requires players to diagnose situations and devise their own solutions.

This approach to mission design reflects a broader industry trend toward player agency and emergent gameplay. By allowing players to dictate their own pace and approach to objectives, Rebellion creates a tense contrast when the alien threat inevitably begins hunting. The studio clearly understands that horror is most effective when players feel in control one moment and completely vulnerable the next, and this design philosophy appears central to the Alien Deathstorm experience.

Intelligent Alien Adversaries and Dynamic Combat

The alien enemies showcased in the trailer represent some of the most sophisticated AI-driven adversaries Rebellion has ever created. These creatures are described as highly intelligent, deadly beings that hunt in packs and use the environment to their advantage. Perhaps most impressively, the development team has emphasized that no two playthroughs will be identical, as the aliens dynamically adapt their stalking and attack patterns based on the game scenario and the player’s behavior. This adaptive AI system promises to keep encounters fresh and unpredictable, addressing a common criticism of horror games where enemies become predictable after multiple encounters.

Rebellion has confirmed four alien types will be playable at Gamescom: Soldiers, Scuttlers, Blister Scuttlers, and Scuttler Swarms. Each variant presents unique challenges and requires different tactical approaches to overcome. The studio has teased that additional alien types will be revealed in the coming months before launch, suggesting a diverse ecosystem of threats awaiting players. Combat itself is described as brutal and intense, with an important caveat: players are not controlling a highly trained super soldier. The protagonist’s identity as an Engineer with only basic combat training fundamentally shapes the gameplay experience, emphasizing survival and resourcefulness over raw firepower.

Weapons, Tools, and Survival Mechanics

The arsenal available to players includes a variety of firearms and specialized tools befitting an Engineer trapped in a nightmare scenario. The trailer showcases the pistol, SMG, and shotgun, with Rebellion promising additional weapons to be revealed before launch. A particularly intriguing feature is the blueprint and upgrade system, which allows players to discover weapon modification plans during exploration. These upgrades, including optics, stocks, barrels, and magazines, can be 3D printed and attached to weapons, providing meaningful progression and customization options. This system encourages thorough exploration of the game’s environments while offering tangible rewards for players willing to venture into dangerous territory.

Beyond conventional firearms, the Engineer’s trusty hammer serves a dual purpose as both a repair tool and a melee weapon for close encounters. This practical approach to equipment design reinforces the game’s survival themes and the protagonist’s blue-collar identity. Additional survival tools include a Geiger Scanner for detecting nearby threats, grenades, flares, and health injectors, creating a comprehensive toolkit that players must manage carefully to survive. Rebellion’s extensive experience with shooter mechanics, refined over years of developing the Sniper Elite and Zombie Army franchises, appears to have been channeled into creating gunplay that feels both bombastic and genuinely fun, even within the horror context.

Release Window and Platform Availability

Rebellion has confirmed that Alien Deathstorm will launch in Spring 2027 on Xbox Series X|S and Xbox on PC, with day-one availability on Game Pass. This partnership with Microsoft positions the game as a significant exclusive offering for the Xbox ecosystem, potentially serving as a system-selling title for players seeking fresh horror experiences. The decision to include Alien Deathstorm in Game Pass from launch day demonstrates Microsoft’s continued commitment to providing value for subscribers while giving Rebellion access to a massive potential player base. The game is currently available to wishlist, and the development team has expressed enthusiasm about revealing more details in the run-up to the release date. As the gaming industry continues to evolve, Alien Deathstorm represents Rebellion’s boldest step yet into original IP development, combining the studio’s technical expertise with a fresh creative vision that promises to deliver memorable scares and intense action when it finally reaches players in 2027.