Oscar Zeta Gundam
Ricardo JuchemYou may not know, but GOG has a page with more than 40 FREE games.
A lot of good stuff like Elder Scrolls, Ultima, Postal, Beneath a Steel Sky among others.
Clovis 
@RicardoJuchem thanks for the discovery ! Indeed a lot of free classics and some free demos, it's pretty cool ! 
Steveplays@RicardoJuchem I just found a game I remember seeing a few years ago but couldn't remember the name of it. Thanks!
mmby@RicardoJuchem OpenTTD my beloved