Wild Sky - First Tower Defense to Coop with Friends. https://play.google.com/store/apps/details?id=com.wildsky.td Features: Collect towers, heroes, and spells Defend your airship in unique game modes A world of 6 different elemental affinities Join guild and defeat powerful bosses with your friends Excel in global tournament and dominate the leaderboard Live events every 2 weeks with unique game mechanics
FYI, we just made a reddit post that went viral about the tools behind making this game. Check this out https://www.reddit.com/r/gamedev/comments/f7fa7i/were_making_a_game_engine_for_warcraft_3_modders/