KBH Games features large collection of online Mystery Games. We have over 64 online Mystery games in our collection. The best part is all you can play all games online free. We have fun games Mystery Games for the entire family. All games are either Flash, Shockwave, Unity 3D, WebGL, or HTML5. Browse through our collection and see what amazing online games you'll discover. If you like a game, give it a thumb's up and add it to your favorites. New Mystery Games are added regularity. We provide PC gaming right on your web browser. We strive to bring you the best online gaming experience. Here are a few Mystery online games we recommend Ben 10 – Alien Device, Fright Night – Gravity Falls, Gravity Falls: Vortex of Doom, and The Terrible Old Man.