A retro FPS with two survival modes: defend civilians from raining infected in Lockdown, or explore dark floors and choose when to extract in Infiltrate. Build your Defender, slow time and weigh more loot against dwindling ammunition.

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Planned Release Date: Q4 2026

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About This Game

THE DEAD ARE RAINING FROM THE SKY

Defend a neon cyberpunk district as infected rain from a breached corporate lab. Skyscraper Security: Zombie Rain is a fast first-person action roguelike where survival means more than keeping yourself alive.

Intercept falling threats, protect humans, and strengthen your defenses through 15 escalating waves, culminating in a confrontation with the Scraper.

BUILD YOUR DEFENDER

All four Defender classes are available from the start. Choose the weapon and fighting style that suit your approach:

  • Skyguard: Control the airspace with a stable, long-range rifle.

  • Breacher: Crush close-range ground threats with a powerful shotgun.

  • Deadeye: Line up precise hand cannon shots and pierce through infected.

  • Ronin: Wield a cyber-katana for close-range combat.

Start with normal attacks and Focus. Spend Upgrade Tokens between waves or floors to learn and rank up active skills, passives and masteries, or install stat-boosting augments. Mix skills within your class and select the active attack you want to use. Coins buy supplies, equipment and district systems. Skills lists your abilities, Inventory your gear, and Stats their combined effects.

Combine Level-Up cards and System Shop upgrades between waves to shape your build.

Rare Recovered Tech grants a free upgrade for the current run.

PROTECT THE RESCUE GRID

Your four rescue drones move the Rescue Grid automatically to catch falling humans. Collect the Coins earned from rescues and spend them in the System Shop on equipment, rescue drones, and district repairs.

Defeated infected drop Bio-Samples. Collect enough to fill your XP bar and level up. Each level-up earns one Upgrade Token to spend on Level-Up upgrades between waves. Later levels need more samples. Your level, currencies, and upgrades last for the current run.

NEW: TAKE THE FIGHT INSIDE

Infiltrate Explore dark floors inside the Scraper with limited ammunition. On regular floors, find the exit elevator and choose when to extract. Meet the minimum required eliminations to leave without district damage, even if infected remain. Extracting earlier puts the district at risk. Stay for Coins and Elowen's keepsakes, but random encounters can drain your remaining health and ammunition.

Between floors, spend Coins on supplies and Upgrade Tokens on upgrades. Elowen cures ailments in the service bay and rewards returned keepsakes with rare upgrades. On the final floor, destroy the shield reactors, expose the Scraper Core and defeat it to unlock the exit.

Explore six floors with all four Defender classes.

BEND TIME. RETURN FIRE

Activate Focus to slow time; choose Toggle or Hold in settings. After learning an active skill, attack during Focus to use your selected skill. Special attacks spend extra Focus in addition to its steady drain. Dash to reposition and parry hostile projectiles with your attacks.

SURVIVE THE SHIFT

Face increasingly dangerous infected, including later-wave Brutes and Jumpers. Prioritize targets and protect the grid: infected that land in it become Overcharged. Certain enemy projectiles can Overcharge them too.

MAKE YOUR CALLSIGN KNOWN

Compare your performance on global leaderboards and follow worldwide Defender statistics.

Enable optional Online Records to publish completed-run scores, achievement unlocks, and anonymous Defender death reports. Your local progression and in-game achievements remain available with online publishing turned off.

Unlockable Hard mode

AI Generated Content Disclosure

The developers describe how their game uses AI Generated Content like this:

The game does not generate AI content during play.

Generative AI tools assisted development and contributed to some pre-generated content used in the game or its marketing. All shipped content was selected, edited, reviewed, and integrated by the development team, and the final product reflects our own creative direction.

Mature Content Description

The developers describe the content like this:

Contains frequent stylized violence involving zombies and humans. Firearm impacts produce red blood, and deaths can produce exaggerated, blocky meat and tissue chunks. The gore is non-anatomical; the game contains no torture or realistic dismemberment.

System Requirements

Windows
SteamOS + Linux
    Minimum:
    • Requires a 64-bit processor and operating system
    • OS: Windows 10 64-bit
    • Processor: Intel Core i5-8400 or AMD Ryzen 5 2600
    • Memory: 8 GB RAM
    • Graphics: NVIDIA GeForce GTX 1060 6 GB or AMD Radeon RX 580 8 GB
    • DirectX: Version 12
    • Storage: 2 GB available space
    • Additional Notes: Requires a DirectX 12-compatible graphics card.
    Recommended:
    • Requires a 64-bit processor and operating system
    • OS: Windows 11 64-bit
    • Processor: Intel Core i5-10400 or AMD Ryzen 5 3600
    • Memory: 16 GB RAM
    • Graphics: NVIDIA GeForce GTX 1660 or AMD Radeon RX 5600 XT
    • DirectX: Version 12
    • Storage: 2 GB available space
    • Additional Notes: Requires a DirectX 12-compatible graphics card.
    Minimum:
    • OS: Ubuntu 22.04 LTS 64-bit or equivalent
    • Processor: Intel Core i5-8400 or AMD Ryzen 5 2600
    • Memory: 8 GB RAM
    • Graphics: NVIDIA GeForce GTX 1060 6 GB or AMD Radeon RX 580 8 GB
    • Storage: 2 GB available space
    • Additional Notes: Requires a Vulkan-compatible graphics card.
    Recommended:
    • OS: Ubuntu 24.04 LTS 64-bit or equivalent
    • Processor: Intel Core i5-10400 or AMD Ryzen 5 3600
    • Memory: 16 GB RAM
    • Graphics: NVIDIA GeForce GTX 1660 or AMD Radeon RX 5600 XT
    • Storage: 2 GB available space
    • Additional Notes: Requires a Vulkan-compatible graphics card.