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About Space Defender - 3D Watch Game

Your planet is under attack — and you're its last line of defense. Space Defender is a fast, one-hand arcade game built for Apple Watch. Rotate the Digital Crown to fly your ship around your planet and smash the asteroids and comets streaking in from deep space. Simple to pick up, hard to put down — every run gets faster, denser, and more dangerous the longer you survive. HOW TO PLAY • Turn the Digital Crown to orbit your ship around the planet • Ram asteroids head-on to destroy them before they hit home • Comets are faster and hit harder — but they're worth double points • Watch for the green heal cross: let it reach your planet to restore a heart, but be careful — your ship destroys it on contact! COMPETE WITH THE WORLD Every run is scored, and your best is sent straight to the global Game Center leaderboard. See your worldwide rank, chase the top 10, and defend your place on the board. UNLOCK NEW WORLDS Start on Earth and earn your way across the solar system. Venus, Mars, Jupiter, Neptune, and three mysterious deep-space worlds are waiting — each unlocked by hitting a new high score. MADE FOR APPLE WATCH • Full 3D graphics, right on your wrist • Digital Crown controls — no cramped touch targets • Haptic feedback for every hit you land and take • A watch face widget that keeps your best score in sight • Quick runs, perfect for a spare minute How long can you hold the line? Strap in and find out.

What’s new

Version 6 · Updated July 12, 2026

This is a big one, defenders! • GLOBAL LEADERBOARD — Compete with players around the world! See the global top 10, your own worldwide rank, and submit your best score automatically through Game Center. • HEAL PICKUPS — A green cross now drifts in among the asteroids. Let it reach your planet to restore a heart… but don't hit it, or it shatters like a rock! • SMARTER DIFFICULTY — The action now ramps up smoothly as your score grows instead of jumping in steps. Every run builds to a proper frenzy. • NEW HUD — Heart-based health display and an animated score counter. • FRESH MENUS — Redesigned home screen with your best and last scores, a proper game-over screen (with a "New Best" celebration!), and a cleaner planet selection screen. • COMETS PAY DOUBLE — Comets are now worth 2 points. • FEEL THE IMPACT — New haptic feedback for hits and kills. Also fixed in this update: • Locked planets no longer appear unlocked for new players • The widget now shows your latest score right after each game • Smoother performance during long runs • Many smaller fixes and polish See you at the top of the leaderboard!

Play today's Inkspill puzzle

Spread your ink until the whole board is one color, within the move limit. A free daily puzzle from Fiplay, same board for everyone. It plays right here, no download.

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App privacy

The developer, Nick Dubov, reported these privacy practices to Apple.

Data Not Collected

The developer does not collect any data from this app.

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