Need an All Star Tower Defense X tier list? If you're waiting on banner rotation cooldowns, let us help you pick between the X and Y summons. With around two dozen units at launch, the strongest ASTDX units are largely the rarest. But with teamups, traits, and trees, how you build the best ASTDX characters can make all the difference.Before you pull, make sure to use the latest ASTDX codes to score some bonus gems for pulls. You'll also snag upgrade materials, orbs, and trait rerolls to build up your best units. Deep in other Roblox tower defense titles? Grab more freebies with SpongeBob Tower Defense codes, Anime Last Stand codes, and Five Nights TD codes while they're active. Continue reading All Star Tower Defense X tier list - best units and traits at launchMORE FROM PCGAMESN: Best Roblox games, Roblox promo codes, Roblox music codes