RSD: Random Skill Defense is a free Android game developed by NADA DIGITAL. It falls under the category of strategy games and offers a unique gaming experience with its various random skills and powerful tower options.

With over 50 different types of skills, each with its own characteristic ability and effect, players can build their own skill set to enhance their tower and defeat endless enemies. The game also features 10+ types of towers with different stats, and players can achieve endless growth by enhancing artifacts.

RSD offers 300+ stage levels and an infinite mode for challenging gameplay, as well as a battle mode to compete with other players and climb the ranks. The rewards get better the faster you clear each level. Overall, RSD: Random Skill Defense is a fun and engaging strategy game with unique skills and tower options that will keep you entertained for hours.