- https://www.looneylabs.com/rules/martian-chess
- [x] Movement
    - [x] Pawn movement
    - [x] Drone movement
    - [x] Queen movement
- [x] No move reversal
- [ ] Scoring
    - Queen: 3
    - Drone: 2
    - Pawn: 1
- [ ] Merging
    - Pawn + Pawn = Drone (if no drones)
    - Drone + Drone = Queen (if no queens)
- [ ] Game over
    - When one half is empty
- [ ] Tie breaker
    - Last player to move wins