1. Launch the game "Impostor Assassin" on your mobile device.

2. Tap the screen to move your character through the spaceship.

3. Your objective is to eliminate all crewmates without being seen.

4. Approach a crewmate silently and tap to execute them using your knife.

5. Avoid being detected by other crewmates while you carry out your mission.

6. Use walls and obstacles to hide and plan your attacks strategically.

7. After eliminating a crewmate, quickly move away to avoid raising suspicion.

8. Collect coins scattered around the spaceship or dropped by crewmates.

9. Use collected coins to upgrade your knife, speed, and stealth abilities.

10. As you progress, levels become more challenging with more vigilant crewmates.

11. Plan your moves carefully to take out isolated crewmates first.

12. Use upgraded skills to become faster and more efficient in your kills.

13. Complete each level by eliminating all crewmates without being caught.

14. Continue advancing through levels to unlock new areas and tougher missions.

15. Keep improving your assassin skills to dominate the spaceship undetected.