Early access Android · Free

Build a floating citadel. Raid the sky.

Prismfall is a neon sci-fi strategy game. Raise a glowing fortress on your own sky island, beam raiders onto rival citadels in real time, and watch attacks on your base unfold live.

Download APK Coming soon toGoogle Play

Free early-access build for Android. Your phone may ask you to allow installs from your browser.

Pilots online now

Features

Your island. Your rules. Their loot.

Everything a sky warlord needs — a citadel to perfect, rivals to raid, a squad at your back, and battles that are fair by design.

Base building

Build your citadel

Raise a fortress on your own floating island. Fifteen structure types — from Flux Extractors and Aether Condensers to Tesla Spires and Rail Lances — each upgrading through as many as six levels. Tap anything to open its radial action ring.

  • Rearrange your layout any time — moving is free and instant
  • Constructor Pods run upgrades side by side
  • Energy barriers link up into glowing walls

Real-time raids

Raid in real time

Scout a rival citadel, then teleport your units in on columns of light wherever their defenses leave a gap. Three minutes, three stars, no second chances.

Spectate

Watch live

Get an alert the moment someone raids your base — then spectate the battle as it happens. Squad mates can tune in too, and every raid is saved as a replay.

Social

Squads & chat

Found or join a squad of up to 30 pilots. Chat in real time, see who's online, and run friendly challenges on each other's bases — no loot, no trophies, just practice.

Fair play

Server-checked battles

Every raid runs on a deterministic simulation. The server checks each deployment against the drop zone and your army, caps the damage at what those troops could really deal in the time the raid lasted, and settles stars, loot and trophies itself.

No pay-to-win

Prisms are earned, never sold.

There's no store in Prismfall — no loot boxes, no ads, no shortcuts for cash. The premium currency comes from playing, so the strongest citadels are built, not bought.

  • Flux

    Drilled by Extractors and won in raids. Builds defenses, barriers and the Nexus Core.

  • Aether

    Condensed from the upper sky and won in raids. Powers your economy and trains your army.

  • Prisms

    +20 every day and +1 for every raid star. Speeds up builds and training.

    Never sold

How a raid works

Scout. Beam in. Take the loot.

Every raid is a three-minute sprint against a rival citadel — another pilot's, or an AI practice base — and its defenses fight back on their own.

  1. Scout

    Spend a little Flux to scan the sky for a rival near your trophy count. Study their layout and the loot on offer before you commit.

  2. Beam in

    Tap anywhere outside their defenses to teleport units in. Strikers rush, Breachers crack barriers, Wraiths glide over everything.

  3. Loot & climb

    The server checks the battle, then pays out Flux, Aether, trophies and a Prism for every star you earned.

  • 50% destroyed
  • Nexus Core down
  • 100% wipeout
  • 3:00 on the clock

Arsenal

Know your arsenal

Six raiders to unlock at the Unit Forge, six defenses to guard your skies. Mix them well.

Raiders

Trained at the Unit Forge · housed in Drop Hangars · deployed by teleport

  • Striker

    Melee brawler

    Cheap melee brawler. Attacks whatever is nearest.

    Health
    Damage
    Speed
    • Ground
    • Housing 1
    • Forge Lv 1
  • Ranger

    Marksman

    Fragile marksman that fires over barriers.

    Health
    Damage
    Speed
    • Ground · Ranged
    • Housing 1
    • Forge Lv 1
  • Juggernaut

    Defense hunter

    Armored walker that only targets defenses. Soaks up fire.

    Health
    Damage
    Speed
    • Ground · Tank
    • Housing 5
    • Forge Lv 2
  • Breacher

    Wall breaker

    Kamikaze drone that blasts barriers open. Huge damage to walls.

    Health
    Damage
    Speed
    • ×40 vs barriers
    • Housing 2
    • Forge Lv 3
  • Wraith

    Air phantom

    Flying phantom. Glides over barriers. Only anti-air can hit it hard.

    Health
    Damage
    Speed
    • Air
    • Housing 2
    • Forge Lv 4
  • Stormcaller

    Splash caster

    Channels splash lightning that melts clustered buildings.

    Health
    Damage
    Speed
    • Ground · Splash
    • Housing 4
    • Forge Lv 5

Defenses

Fight back automatically — even while you're offline

  • Pulse Cannon

    Ground turret

    Fires dense plasma pulses at ground units.

    Range
    Damage
    Fire rate
    • Targets ground
    • Range 9
    • Core Lv 1
  • Arc Tower

    Rapid fire

    Rapid-fire energy bolts. Hits both ground and air units.

    Range
    Damage
    Fire rate
    • Ground & air
    • Range 10
    • Core Lv 2
  • Plasma Mortar

    Artillery

    Lobs slow plasma shells that splash groups of ground units. Cannot hit units too close.

    Range
    Damage
    Fire rate
    • Ground · Splash
    • Range 4–11
    • Core Lv 3
  • Flak Battery

    Anti-air

    Anti-air missiles. Shreds flying units, ignores ground.

    Range
    Damage
    Fire rate
    • Air only
    • Range 10
    • Core Lv 3
  • Tesla Spire

    Chain lightning

    Lightning that chains between up to three nearby units.

    Range
    Damage
    Fire rate
    • Chains ×3
    • Range 7
    • Core Lv 4
  • Rail Lance

    Railgun

    Long-range railgun. Charges, then pierces a single target for massive damage.

    Range
    Damage
    Fire rate
    • Ground & air
    • Range 14
    • Core Lv 5
Prismfall app icon

Prismfall

Free · Android · Early access

Your island is waiting.

Grab the early-access build today. There's no sign-up — you'll be placing your first defenses within seconds.

Download APK Coming soon toGoogle Play

Direct download for Android phones. Only install APKs from this site.

  1. Download the APKTap the button on your Android phone.
  2. Open the fileIf Android asks, allow installs from your browser.
  3. Launch PrismfallName your pilot and claim your island.

FAQ

Questions from the hangar

Is Prismfall free to play?

Yes. Prismfall is free, and there's nothing to buy — no store, no loot boxes and no ads.

Is it pay-to-win?

No. Prisms, the premium currency that speeds up building and training, are earned only by playing: 20 for each day you log in and 1 for every star you win in a raid. They can't be bought, sold or traded.

Do I need to create an account?

No sign-up, no email, no password. On first launch Prismfall creates a guest account tied to your device. Heads-up: if you clear the app's data or uninstall it, that progress can't be recovered.

How does live spectating work?

When someone starts raiding you, you get an under-attack alert and can watch the battle unfold about a second behind real time. Squad mates on either side can tune in too, and finished raids are saved as replays in your battle log.

Can my base be raided while I'm offline?

Yes — that's the game. Your defenses fight automatically. If a raid destroys half or more of your base, you get a two-hour shield so you can regroup. Starting a raid of your own ends your shield early.

Are my opponents real players?

Not always. Matchmaking pairs you with other pilots near your trophy count and with AI-run practice citadels, which are most common at low trophies so new pilots always have someone to raid. AI bases carry a Bot tag on the scout screen, in the leaderboard and on their pilot card.

How do you stop cheaters?

Battles run on a deterministic simulation. Your phone plays the raid; the server then checks every deployment against the rules, rejects results the deployed army couldn't have achieved in the time the raid lasted, and works out the stars, loot and trophies on its own. Raids close to those limits are logged for review. Cheating, bots and exploits also break our Terms of Service.

When is the Google Play release?

Soon. Until then you can install the early-access build directly from this page. Android may ask you to allow installs from your browser the first time.

What data do you collect?

As little as we can. No name, email, contacts, location or advertising ID — just a hashed device identifier, your callsign and your gameplay. The details are in our Privacy Policy.

How do I delete my account?

In the app, open Profile → Delete account. Deletion is immediate and permanent. Can't open the app any more? Follow the steps on our account deletion page.