A browser-based tower defense game built with Phaser 3. Defend your space base by building turrets to stop waves of alien invaders!
Play it now: https://Liamsworld.dev
- Place turrets by clicking a weapon button, then clicking on the map
- Earn credits by destroying enemies
- Upgrade turrets by clicking on placed turrets
- Survive as many waves as you can — each wave gets harder!
Your base has 3 HP. If 3 enemies reach the base, it's game over.
| Turret | Cost | Description |
|---|---|---|
| Laser | 50cr | Fast-firing beam, long range |
| M.Gun | 75cr | Rapid fire, short range |
| Missile | 200cr | Slow homing missiles with splash damage |
| Force Field | 75cr | Slows enemies in range (no damage) |
| Bomb | 100cr | Placed on the path, explodes on contact |
| Plasma | 125cr | Fires green plasma that leaves a burning pool |
| Railgun | 300cr | Piercing beam that hits all enemies in a line + burn trail |
| Plane | 150cr | Air strike that flies across the map |
| Hamster | 1000cr | A very special surprise... |
- Baby Ships — fast, low HP, fire at nearby turrets
- Mothership — slow, high HP, fires at any turret on the map (spawns after baby ships are cleared)
- Splitters — split into mini ships on death (wave 2+)
- Shield Bearers — absorb hits with shields (wave 3+)
- Carriers — release baby ships at half HP (wave 4+)
- EMP Frigates — stun turrets temporarily (wave 5+)
- Boss — massive mothership every 10th wave
After each game, enter your name to submit your score to the global leaderboard. Scores are ranked by wave reached, with faster times breaking ties. View the leaderboard from the title screen.
Cheat mode games are excluded from the leaderboard.
Password-protected admin mode for managing leaderboard entries. Access it from the "Admin" button on the title screen. Allows deleting individual entries.
The leaderboard and admin features require the following environment variables (set in your Vercel project settings or in a local .env.local file):
| Variable | Required | Description |
|---|---|---|
REDIS_URL |
Yes | Redis connection string (e.g. redis://... or rediss://... for TLS) |
ADMIN_PASSWORD |
Yes | Password for the admin panel to manage leaderboard entries |
When setting these on Vercel, make sure the Preview checkbox is enabled if you want them available on preview/branch deployments.
Requires a local HTTP server (ES modules don't work over file://):
cd space-tower-defense
python3 -m http.server 8080Then open http://localhost:8080 in your browser.
To run with the leaderboard API locally, use vercel dev instead (requires the Vercel CLI and a .env.local file with the variables above).
- Phaser 3.60.0 via CDN
- ES Modules — no bundler, pure browser native modules
- All graphics are procedural (no sprite assets needed)
- Scales to fit any screen size (desktop + mobile)
- Liam Roberts — Game design and development
- Claude (Anthropic) — Co-developer