Defender II is a free-to-play game for mobile devices in which the player must defend his castle against waves of attacking monsters.
The player controls a crossbow at the top of the castle to shoot arrows at incoming monsters. Besides the crossbow, the player can also use three magical abilities of type fire, lightning and ice against the attackers.
Between each stage, the player can use obtained coins and crystals to upgrade or unlock skills, magic powers, defense of the castle and buy different crossbows. Defender II also has a multiplayer mode in which two players both defend against attacking monsters and the player who survives longer wins.
Defender II is free-to-play and has in-game advertisements. Players can buy coins and crystals with money to upgrade powers faster to make the game easier.
The following ranking of games like Defender 2 will show you some good alternatives to Defender 2. Check it out.