Andromeda Invaders Unblocked
Steer the cannon, let it fire, and keep the boulders and the sinking fleet off your head.
Tip: rotate your phone to landscape for a larger view.
What is Andromeda Invaders?
Andromeda Invaders is an old-school arcade shooter where you steer a ground cannon beneath a fleet of orange alien craft. It shoots without any button, so your only job is placement, lining up under ships and under the rocks they let fall. Each cleared fleet starts a faster level, and the run ends if you take three hits or a ship reaches the ground.
- Category
- Arcade Games
- Players
- 1 player
- Plays on
- Best on desktop, playable on touch
- Input
- Keyboard, Mouse, Touch
- Made by
- Susam Pal
- Checked
Andromeda Invaders is a small, sharp arcade shooter written by Susam Pal, and it plays differently from most games of its kind because you never press fire. Your green laser cannon shoots by itself, one pulse at a time, so the whole skill is in where you stand. Overhead, a fleet of orange ships drifts lower and lower while raining boulders down. All of the graphics are built from chunky pixel blocks, and the soundtrack is a loop of generated chords that quickens as you climb. You can play it unblocked in any desktop browser.
The Fleet, the Boulders and Your Cannon
You slide along the bottom of the screen. Only one laser pulse is ever in the air; the next one launches the instant the last one hits a target or flies off the top. A missed shot therefore leaves you briefly defenseless.
Ships. It takes three hits to destroy a ship, and its shade darkens from bright orange toward deep red as it weakens. The first hit scores 10, the second 20 and the killing shot 30. A damaged ship recovers one step after it has dropped ten more boulders.
Boulders. Shooting one earns a single point. Getting hit by one costs a step of health.
Levels. The opening wave is three ships, the second is six, and from the third onward each fleet numbers ten. Everything speeds up over time. The formation also creeps downward, and the descent quickens as its numbers dwindle. If the lowest ship touches the ground, it charges at you and the run is over instantly.
Andromeda Invaders controls
| To do this | Keyboard | Mouse | Touch |
|---|---|---|---|
| Slide the cannon | Left and Right arrows, or A and D | Hold the arrow buttons under the screen | Hold the arrow buttons under the screen |
| Begin, pause or continue | Space or P | Click the play/pause button | Tap the play/pause button |
| Stop the run and show the info screen (press again to restart) | Enter or E | Click the return-arrow button | Tap the return-arrow button |
| Toggle sound | M | Click the note button | Tap the note button |
| Go full screen | F | — | — |
Surviving Longer
- Track the lowest ship, always. It is the real clock on your run. When a fleet thins out and starts dropping faster, take that ship down before anything else.
- Finish damaged ships quickly. They heal over time, and the last hit is the most valuable one.
- Clear your own column. A rock falling straight at you is both a threat and a cheap point. Shooting it also frees your next pulse sooner.
- Avoid firing into empty sky. Standing under nothing wastes your single pulse. Move under a target before it is needed.
- Play carefully after a hit. Going 100 points without damage repairs one health step, so a cautious stretch can bring you back to full green.
Why It’s Worth a Few Runs
The automatic fire turns a familiar formula into a positioning puzzle, and the color-coded health on both your cannon and the ships keeps the screen easy to read at speed. It is a great fit for short sessions, and the in-game timer gives you a simple target to beat. Leave it alone for five seconds and a demo plays, which is a quick way to see how the computer handles the fleet.
If you enjoy retro shooters, Rock Blaster and Planet Protector are good next picks, or browse the full arcade games collection.
Andromeda Invaders: questions players ask
Is there a fire button in Andromeda Invaders?
No. Shots go up automatically, and only one can exist at once; the next follows the moment the previous one strikes a target or disappears off the top. All you control is the cannon's position.
Why is the game playing itself?
That is the demo mode. Leave the controls untouched for five seconds after the page opens or a restart, and an autopilot starts playing. Hit Enter two times to reset, then steer at once to keep control.
How can I tell how much health my cannon has left?
By its color. Bright green means full health, dark green means one hit taken, and dull yellow means two. One more boulder after that and it is game over. Every 100 points earned without a hit restores one step.
How many levels does Andromeda Invaders have?
It keeps going. Difficulty climbs until level 20, and after level 1000 the counter starts again at 1, though your score carries on. A timer in the top-right corner shows how long the run has lasted.
Can I play Andromeda Invaders on a phone?
Yes, through five big on-screen buttons under the game. Keep a finger on an arrow to keep rolling. Touch control is usable, but a real keyboard on a laptop or Chromebook makes steering much smoother.
Credits and license
Andromeda Invaders was created by Susam Pal and released as open source. FreezeNova hosts a lightly adapted copy on its own server, together with the original license file.
- Source code: github.com/susam (original project)
- Code license: MIT
- Art & audio: MIT (all graphics drawn on canvas, music and effects generated with Web Audio, no asset files)
- Our changes: The link to the source code on the in-game info screen now opens in a new tab rather than replacing the game. Nothing about the gameplay was changed.
