Can I see another player's map without challenging them? Agente 1 November 18, 2019 15:56 Updated Follow Of course! Spy on them and observe how they have built their colonies. Related articles Is there any limit to the number of challenges that I can do? How do I know that I have been challenged and confront one? How can I challenge a player? What's antimatter and what's it for? How do you get more of it? Are there any tips or tricks to be more competitive in MARS? Comments 0 comments Please sign in to leave a comment.