Bloons Tower defense 6 (In my opinion) is the best tower defense game ever made to date, while the easier modes don't require too much thinking, so any casual player can enjoy the game, it also has multiple ways to play for hardcore players, Races, Ranked Boss Bloons, Elite Boss Bloons, Advanced Challenges, Odysseys, Chimps mode and much more, all of these modes provide challenges for every different type of BTD 6 player, whether you play as a player with insane micro, or a player that has vast knowledge of tower synergies, as a hardcore tower defense player, you will enjoy this game, I can assure you that. 9/10 Worth the small amount you pay for it and then some