Thanks for all the input, guys!

Sounds cool! And I think I can grab it on GOG. I'll take a look.

If you are a creative person, Minecraft is a good game to have. But even if you just played Survival mode, it's a quite relaxing game except for the occassion creepers. Be careful, if you get this game though. Hours go by in a flash when you play minecraft if you are not careful.

From Dust is also worth trying. 

Zen Bound 2 http://store.steampowered.com/app/61600/
Osmos http://store.steampowered.com/app/29180/
Chime http://store.steampowered.com/app/62100
The Tiny Bang Story http://store.steampowered.com/app/96000/
^ I haven't played those 4 yet but they all look very relaxing to me (I think I will try at least the first two some day)

Faerie Solitaire http://store.steampowered.com/app/38600/
^ Seems to be a good Solitaire game

Audiosurf http://store.steampowered.com/app/12900/
Great game; relaxation level depends on the songs you play it with; I recommend slow songs (obviously) and classical music or orchestral soundtracks.

Civilization 5 http://store.steampowered.com/app/8930/
A very complex game at heart, but like all Civ games it's also extremely relaxing imo; on easier settings the AI opponents are not aggressive at all - even though some of them pretend - and you can just sit there, explore the world at your own pace, make new inventions and watch your civilization grow and flourish.

That is definitely not good for taking 15 minute breaks, whenever I sit down to play I end up playing for 3-4x the amount of time I mean to. Very little actually happens, but lots is nearly happening, so it is nice and relaxing but awfully addictive

@ Munkeh111: You are right, Civ is relaxing but also extremely addictive. I agree, it's not a good recommendation in this case.

Thanks, guys. I have got Civ V, that I bought on Steam, but have not installed yet. You see, first I tried Endless Space, but the tutorial is so text heavy that instead of relaxing me it got me more tired. The time spent reading would be better suited studying, and so it is. Also, I started Rome Total War and, amazing as it is, the level of attention required to everything that is happening during a Campaign is not good for relaxation at all. So, if Civ V has a long tutorial, I'll have to wait till I finish my PhD.

I have just grabed Audiosurf on Steam's daily offer. Getting to know my way around it, but seems to be a good choice. More on it when I get longer playing time.

Yahoo Pool

:p

lol wut?