I made this teaser trailer by myself from scratch. It's for the game our game development group currently making.
4 Days of work total:
2 days composing the song in Noteworthy Composer (Song is called Chaotic World)
2 days from 3D animation in Blender
1-2 hours sound effects in Audacity
1 hour putting it all together in Windows Movie Maker
The game itself is a survival horror game with a lot of action + puzzle elements. It reflects upon the world which we all live in. I won't get into the details.
Hope you enjoy it.