I actually played some small pc games on an old computer first such as incoming and need for speed, but if i had to pick my 1st official console type game it would have to be nicktoons: attack of the toy bots
The first videogame I remember playing was the first installment of The Sims.
My sisters and I would play it all day. Not knowing much about the games mechanics back then, I would send them all to a pool where they would ultimately die and haunt the others that went in the pool thereafter.
The first game I played is a little fuzzy, It was either Super Mario Bros, Teenage Mutant Heroes (Ninja but I'm european) Turtles or Batman on NES. They all bring very vivid memories (as do others but later). I'm just unsure which was the first one of those I played.