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Space Defender
by Nebulark Studio · Action · v1.1.0
Pilot an arrowhead starfighter at the edge of a violet nebula and shatter waves of crystalline alien drones, with a boss crystal every 5th wave.
How to play
- Pick Classic or Nova and press Play.
- Dodge the glowing orbs and diving drones: only the bright dot at the centre of your ship can be hit. A drone's core glows just before it fires.
- Steer with the arrow keys or WASD, or move the mouse over the field. On a phone, drag anywhere: the ship flies just above your finger.
- Your ship fires automatically. Press F to toggle auto-fire; hold Space to fire manually.
- Your shield bubble absorbs one hit and recharges after 10 seconds. Without it, a hit costs one of your 3 lives.
- Every 5 kills in a row raise the score multiplier (up to x8); the pips under it show progress, and an unshielded hit resets it.
- Collect power-up shards (Spread, Rapid, Magnet) and crystal gems. Every 5th wave is a boss. P or Esc pauses, ? opens help; your run is saved and Continue picks it up after a GET READY moment.
Controls
Keyboard
- Arrows / WASD — move
- Mouse — the ship follows the cursor
- Auto-fire — F toggles, hold Space to fire
- P / Esc — pause
- ? — how to play
- M — mute
Touch
- Drag anywhere — steer (the ship stays above your finger)
- Auto-fire is always on
- Pause button — pause
- ? button — how to play
About Space Defender
Space Defender is a vertical wave shooter. Your starfighter, the Lance, fires twin lasers by itself while you weave through the bottom of the field. Faceted crystal drones in amethyst, emerald and topaz sweep in along curved paths, settle into loose drifting formations, peel off to dive at you and fire slow glowing orbs that visibly charge before they launch. Every 5th wave the Prism Warden arrives: a huge spinning crystal with a health bar, aimed orb fans and, once wounded, spinning orb rings and escorts. A shimmering shield bubble absorbs one hit and recharges; power-up shards give you Spread, Rapid fire or a Magnet for crystal gems. Chain kills to climb a multiplier up to x8 — a hit without your shield resets it. Three lives. Classic mode builds steadily; Nova mode is fiercer from the first wave.
Features
- ✓ Crystalline alien drones with curved entry paths, loose drifting formations and dives
- ✓ Telegraphed enemy orbs and a visible hit core, so every hit is readable and avoidable
- ✓ Prism Warden boss every 5th wave with a health bar and a two-phase pattern
- ✓ Recharging shield bubble, Spread / Rapid / Magnet power-ups and a x8 kill-streak multiplier with a streak meter
- ✓ Wave meter, incoming-drone warnings and a GET READY lead-in after every pause
- ✓ Save and Continue: an interrupted run resumes exactly where it stopped
- ✓ Fixed-timestep deterministic simulation with a server-verified leaderboard
- ✓ Illustrated starfighter, crystal drones and boss, lit from one light with drop shadows, over a lit procedural nebula, ringed gas giant, parallax stars and crystal shatter effects
- ✓ Keyboard, mouse and touch-drag controls; saved personal best per mode
- Category
- Action
- Devices
- desktop, tablet, mobile
- Developer
- Nebulark Studio
- Last updated
- Nov 10, 2026
