An online role playing game.
Main point: the overall feeling, the community, the private fighting zone, no monthly fee, resetting competence point.
I recommend starting with "prophetie"
Age of empires 2
The reference in strategy game.
Main point: kingdom building, economy management, the wars, different civilizations (naval, defensive...), several kind of victory, a map generator, the multiplayer mode.
A team based FPS.
Main point: multiplayer (64), bots, team play.
It's fun for beginner and for experienced gamer.
Perfect for coop gaming.
Diablo / diablo 2
Role playing game in a dark atmosphere.
Main point: map generation, multiplayer, rare object gathering, crafting.
Diablo 1 has a stronger atmosphere.
Diablo 2 is prettier and has a better multi.
Diablo 2 is still played 10 years later.
A non-serious shooter
Main point : immediate fun, cooperation, shiny graphics.
Even better in coop.
Demo, Buy it
Europa Universalis IV
A grand strategy game, control every aspect of your nation (economy, diplomaty, religion, war...) for 400 years.
Nearly all of the coutry of the world are in...
Demo, buy it