Ultimate Assassin 3 Level Pack
Ultimate Assassin 3: Level Pack features 20 new level designs and 65 new missions.
Be an ultimate assassin in this stealth game. In every level, your mission is to kill the target and leave the place without getting killed by the guards. You have 2 special abilities: speed and invisibility. You have to think fast and use the environment to succeed.
There is a in-game tutorial.