In Sims 3, if they are in your household, then yes you can. If they're not, you still can with the help of a cheat. When 'testingcheatsenabled true' is on, you can shift click another Sim and select 'Add to Active Household' and they will be added to your household and you can act them. This cheat only works if your household is NOT full.
You can't be asked out by another sim you do not control.
no, there is no murdering in the Sims
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no
A Sim is a virtual person. It is also a game. The games are called .MySims .The Sims .The Sims 2 .The Sims 3 .The Sims Social There are more simulated games like that. Another sim is your sim card for your mobile phone. 'Sim' is also a surname.Hope this helps!
Sadly, no
A sim can be married to one sim, whilst dating another. But be careful you don't get caught, it can completely ruin a relationship.
you can control 3 sims in 3 diffrent games (a.k.a. 1 sim per game)
No, Sims can not kill each other only the player (you) can kill Sims.
no only you can proupse to them
if you mean a pregnant sim, then yes. on the sims 2 for the PC, if a sim gets pregnant, her belly will get bigger about 24 sim hours after your sims "try for baby" then her belly will grow again in about another 24 sim hours, and then after another 24 sim hours your sim will have her baby.
boolprop testingcheatsenabled true