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Scavenge Supplies, Build Rooftop Bases: Post-Apocalyptic Survival Sandbox "Project Phoenix" Steam Demo Launches Today

搜刮物资、在屋顶建据点:末日生存沙盒《涅槃计划》Steam Demo今日上线

On November 10, 2026, the top-down post-apocalyptic survival sandbox game "Project Phoenix," developed by the indie studio FloorCat, launched its free demo on Steam. Players can now head to the store page to download the Demo and add the game to their wishlist.

After the catastrophe, a building might be where you scavenge for supplies today, or it could become your stronghold for life ahead. In "Project Phoenix," you can move objects inside buildings to make space for safe zones, or cultivate farmland on rooftops. Whether to trace the source of the outbreak, where to go next for supplies, and whether to fight or bypass the infected are all decisions left to the player.

搜刮物资、在屋顶建据点:末日生存沙盒《涅槃计划》Steam Demo今日上线

From the fallen "Core" to the N-Plague

In March 2028, an unidentified object crashed into the center of Phoenix City. The biotech giant Celen Group and the military recovered the "Core" from it and discovered an unknown virus within the samples. While capable of repairing severe tissue damage, the virus also takes over the host's lower neural centers. This discovery led to the launch of a research initiative known as "Project Phoenix."

That April, an accident occurred at a suburban laboratory, causing the N-Plague—which spreads through air, blood, and water sources—to begin spreading. The first batch of infected individuals died within 48 hours, only to reanimate under the virus's drive, left with nothing but the instinct to consume biomass and repair themselves. Within a month, human society collapsed into paralysis.

搜刮物资、在屋顶建据点:末日生存沙盒《涅槃计划》Steam Demo今日上线

Players take on the role of one of the few "Adapteds" who possess natural immunity. Your blood can inhibit the spread of the virus, making you a target for survivors, Celen remnants, and scattered military forces. To survive in the ruins, you can investigate the origin of the plague while scavenging, or simply find a place to settle down first.

搜刮物资、在屋顶建据点:末日生存沙盒《涅槃计划》Steam Demo今日上线

Scavenge, farm, and build your stronghold—arrange your wasteland life your way

"Project Phoenix" has no mandatory main storyline quests. You can drive an SUV or truck out to find supplies, or focus your efforts on building up your stronghold. Indoors, rooftops, and outdoor areas can all be used to construct safe zones; most items in the environment can be picked up, moved, or interacted with. Scavenged buildings can be rearranged, and rooftops you once merely passed by can be turned into plots for farming.

搜刮物资、在屋顶建据点:末日生存沙盒《涅槃计划》Steam Demo今日上线

The game features non-linear storytelling. Objects, events, and clues encountered during exploration have no fixed order of discovery. You can follow the clues at hand to investigate the catastrophe, or first transport supplies back to your base and return to the scene once you are better prepared. Not every encounter requires combat; avoiding danger is also a valid survival choice.

搜刮物资、在屋顶建据点:末日生存沙盒《涅槃计划》Steam Demo今日上线

Survivors, cats, and robots can all lend a hand

Recruited NPC survivors can accompany you on combat missions and resource gathering, or stay at the safe house to produce materials and participate in construction. Keeping a cat allows you to pet it after a long day, or send it out to find supplies. Players can also craft work robots to burn zombie corpses and collect loot; equipped with defense modules, they can assist in combat as well.

搜刮物资、在屋顶建据点:末日生存沙盒《涅槃计划》Steam Demo今日上线

The full release plans to include online sandbox gameplay, allowing players to survive in the wasteland together with their Steam friends. The specific release date will be announced separately.

The "Project Phoenix" Steam Demo is now available. Welcome to visit the store page to download the demo & add it to your wishlist. You can also share your feedback in the official QQ group: 1077917103.