A 2D simulation game where you program rocket boosters to land.
The game currently ships with 11 levels (0–10), each introducing a new mechanic:
| # | Name | Focus |
|---|---|---|
| 0 | Tutorial | Fly with your keyboard |
| 1 | Hello, Moon | Basic descent control |
| 2 | Tilted | Correcting starting angle |
| 3 | Steady the Ship | PD control for angle + descent |
| 4 | Lateral Drift | Cancelling horizontal velocity |
| 5 | Bullseye | Landing on a target pad |
| 6 | On a Budget | Limited fuel |
| 7 | Minimum Power | Bang-bang thrust (no throttle) |
| 8 | Precision Burn | Single, non-reignitable engine burn |
| 9 | The Long Fall | Precision burn from higher altitude |
| 10 | Hoverslam | Single-burn landing with upright touchdown constraint |
See app/src/levels.ts for the full level configs, starter code, and reference solutions.
No install required — play instantly at lander.kurpuis.com.
Install globally and run:
npm install -g @k5s/lander
landerThis starts a local server on http://localhost:3000 and opens your browser automatically. Set a custom port with PORT=8080 lander.
npx @k5s/landergit clone https://github.com/imaustink/lander.git
cd lander
npm install
npm run devThen navigate to http://localhost:3000.
docker build -t lander .
docker run -p 3000:3000 landerdocker compose upThe app will be available at http://localhost:3000.