Assassin Expert - Silent Killer is a free Android game developed by Smart_Tech. In this role-playing game, you take on the role of a Ninja Assassin tasked with destroying enemies who hold the base and carry heavy weapons. The game features easy controls and offers a nice chill experience for when you're bored or waiting. As you progress to higher levels, the game becomes more challenging and requires strategic thinking.

To play, you must move the assassin in the right direction and kill enemies from behind. It's important to run away from enemies with guns and maintain a safe distance. With each enemy you kill, you earn diamonds which can be used to upgrade your tools. The game offers different characters, heavy automatic weapons, and countless levels with different maps.

Overall, Assassin Expert - Silent Killer is an action-packed 3D online fighting game that provides an excellent gaming experience. Whether you're a fan of assassin games or simply looking for a fun and challenging game to play, this game is worth a try.