If I digitally download the sims 2 pets from gamestop will i still need the sims 2 base game?

Digital download means it downloads right to your computer. If I buy the sims 2 fun with pets collection will i still need the sims 2 base game?If I digitally download the sims 2 pets from gamestop will i still need the sims 2 base game?Yes you do, because Sims 2 Pets is an expansion. All expansion packs and item packs will not run unless you have the base game!