Favourite game of all time?

[IzzehO]

So what is it? I've been trying to decide on mine for ages and I must say I'm finding it harder than I thought...

 

[mucus]

The broad category of Pokey-mans.

 

[Hardkaare]

Console: Halo 2

PC: Runescape

Handheld: Jump ultimate stars

 

[CannonFoddr]

PC: Halflife (Not 2, or 2:ep1 or 2:ep2) or even 'Doom' (NOT 'Doom3')
Handheld: Any Zelda game (even the phantom Hourglass)
Gamecube: 'Shadow The Hedgehog'
Wii: Super Smash Brawl