Moon Base Defender
A game by Gurney, made with Claude · free, runs in your browser
Retro space shoot em up
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How to play Moon Base Defender
Pilot your moon base's cannon through endless enemy waves, surviving to wave 10 and beyond to defeat the dreadnought and complete your mission.
Moon Base Defender is a retro arcade shoot-em-up. You control a cannon at the bottom of the screen and must destroy incoming alien waves before they destroy your base. You start with three lives, shown as green triangles in the top-left corner of the HUD.
Each wave is announced by a banner on screen. Survive a wave and the next begins, escalating in difficulty. At wave 8, a female flight controller named Commander Vega begins radio chatter, urging you to hold on until wave 10 — the arrival of the dreadnought boss and reinforcements.
Waves 11 and beyond introduce elite enemy squadrons, and wave 14 triggers a rescue cinematic finale. Every enemy you destroy adds to your score, so keep firing to rack up points while staying alive.
If an enemy gets through — or a nuclear threat isn't stopped in time — you lose a life. Lose all three and it's game over. Click or tap the intro screen to start, then use the keyboard controls to move and fire.
Controls
| A / ← | Move cannon left |
| D / → | Move cannon right |
| SPACE | Fire |
Moon Base Defender — FAQ
What is Moon Base Defender?
Moon Base Defender is a retro space shoot-em-up browser game made by Gurney where you defend a lunar base against escalating alien waves, culminating in a dreadnought boss fight at wave 10 and a cinematic finale at wave 14.
How do you play Moon Base Defender?
Move your cannon left and right with A/D or the arrow keys, and press Space to fire at incoming enemies. Survive each wave without losing all three lives to advance toward the final mission.
How many lives do you get?
You start with three lives, displayed as green triangles in the HUD. Lose all three and the game ends.
What happens at wave 10?
Wave 10 triggers the dreadnought boss fight — Commander Vega announces it over the radio and the whole base cheers you on. Reaching wave 10 is the main milestone of the mission.
Does the game end at wave 10?
No — elite enemy squadrons continue from wave 11 onward, and wave 14 triggers a special rescue cinematic that serves as the true mission finale.