[xoranth]

Do you have any example of particle systems without fluid sim? (e.g. videos on youtube from old games, or names of old games that used them?)

[wlesieutre]

Engine rather than a game, this video about UE4's particle system shows a lot https://www.youtube.com/watch?v=OXK2Xbd7D9w

[aqfamnzc]

The first thing that came to my mind was Portal 2, the "you can't portal here" shower of sparks when you're spamming the gun in the elevators. :)