Silhouette 2 is the second edition of the topdown flash game where you have to infiltrate a building. Also in this game you have to infiltrate an even more secured building. Luckily there is a big weapon shop available where you can buy upgrades and new weapons after completing every mission. W, S, A, D / Arrow Keys - Move. Mouse - Aim / Shoot. Spacebar / E / Shift - Knock out Opponents. CTRL - Run.