About OpenTTD.

Well first game i will talk about will be OpenTTD, it is a pretty good and addictive transport simulation game, easy learning curve and with a good AI it is a really good challenge.
Runs smoothly and has 0 glitches (except for some player-made maps).

License: GNU General Public License version 2.0
Playability: 10/10
FUN factor: 9/10 (Serious Business)
Ambientation: 9/10

Average Score: 9.5

Website: OpenTTD
Sauce Available: YES

Some screenshots: