Demotruk on 19 January 2010
There's already a list of games that have it:
http://www.giantbomb.com/wilhelm-scream/92-56/
Edit: And I was right about my hunch about it being in Metal Slug
A game I'm developing with some friends:
www.xnagg.com/zombieasteroids/publish.htm
It is largely a technical exercise but feedback is appreciated.
