Here are my overall top favorite games ever. They may shift over time, but here they are now.

#1 The Sims 2 (With All Expansions)

#2 Pokemon Pearl/Diamond

#3 Pokemon Sapphire/Ruby

#4 Animal Crossing Wild World

#5 Animal Crossing (Gamecube)

#6 Rollercoaster Tycoon 3 (With Expansions)

#7 Pokemon FireRed/LeafGreen

#8 The Sims (Original; With Expansions)

More to come...