If you are an FPS-genere person then you might side with me on this:

Let's say you throw a grenade and it blows up, but instead of an amazing sprite/special effect, you get a cheezy explosion that looks like an explosion-coloured mushroom..

example:

[img]http://www.denken.com/dzone/screenshots/q2shot020s.jpg[/img]

or

[img]http://images.3dgamers.com/screenimages/games/fear/wtf_explosion.jpg[/img]