my first game that got me hooked was a PS1 game call "Heart of Darkness" at the time it was a fun adventure of a kid trying to find his dog, but as i play it now, it has more child deaths that puts mw3 to shame (seriously like snapping his spine, incinerated in a fiery explosion, completely crushed, etc) has a character take a giant huff of pot before blowing it all infront of the kids face, and showing part of his porn collection.
but what made me say, im going to be a gamer for life was Pokemon red, holy shit the hours i poured into that game, the wins, the loses, the hard grind to beat the league, that the gyms where difficult beyond reason. ahh the memories.