Can I play GUNDAM EVOLUTION for free? GUNDAM EVOLUTION is a free-to-download and free-to-play experience. *Contains some purchasable content. Related articles Every time I try to launch the game, an "Error Code: 23" screen pops up. Is the game cross-compatible? What is Steam? What kind of computer do I need to play? Can I post media of the game on YouTube, Twitter, etc.?