How to play Alien Worlds?

Could you elaborate on the steps involved in playing Alien Worlds? As a newcomer to the crypto gaming world, I'm curious about the game mechanics and how one can get started. Is it a free-to-play model or do players need to invest upfront? What are the key resources and currencies within the game? How do players earn rewards, and are there specific strategies to progress efficiently? Lastly, is there a community aspect where players can collaborate or compete? I'd appreciate a concise yet comprehensive overview to get me started in this intriguing crypto gaming universe.