Defeat all invading enemies and guard the last tower! Win a wonderful future for the world! Game features:  The characters in the game are rich and varied: There are more than 20 characters in the game, such as Skeleton, Orc, Death, Death Envoy, Sword of Life, etc. Each character has its own positioning. For example, Goblin is a robber, and the DeathEnvoy is a big magician, Death is the necromancer, etc., the occupation is different, the effect is different. Keep growing your team, get more mercenaries!  Various game modes: Here you can find Survival mode, Endless mode, Trial Tower mode, etc. There are base, research institutes, props and other systems. The rich gameplayandultimate experience will let you enjoy different tower defense games. Use all resources to live in the end and destroy all invading enemies!  Here, you can upgrade your base, strengthen defenses, expand bases, increase the number of your mercenary groups, upgrade your mercenaries, learn more skills, and make them stronger!  In the Institute, research and improve some core technologies, strengthen your overall strength, and live to the end.  The game screen is simple and it’s suitable for all players to enjoy!  Suitable for all Android 4.0 and above models  The progress is auto-saved for easy play!