I bought the expansion the sims 3 into the future from CD Keys around 30 May 2020 and registered it in origin. Then I found out that the system has added the best game for me. At first I felt strange, but had already played the game. Until yesterday I suspected it might be an origin system bug. So report it, you check if it's a bug or not.
@lostman4 Are you saying Origin also added the Sims 3 base game, despite your not registering it? You wouldn't be able to play with any packs unless you also owned the base game, so you had to have it this whole time. If you don't remember buying it, perhaps your CD Keys product code was for a bundle (base game plus Into the Future). Or, if you have an EA Play subscription, you could have added the base game for free.
Anyway, if you're not missing content, you don't need to worry about it.
@lostman4 It's not normal at all to have the base game added, and it's not supposed to happen. But again, you might have bought a product that did include the base game even if it was advertised as including only Into the Future.
If you're curious, open your Origin game library, right-click on the Sims 3 icon, and select Game Properties. You should see a CD key for the base game, which is not the CD key for any packs you own. If that key is the same as the one you registered, you received a bundle. If the key is different or you don't see a key at all, then maybe it's a glitch in the system.
