You need to purchase the expansion pack called Open for Business. Then in the game, purchase the robotics workbench thing. When you reach a gold badge in that, you will be able to make a robot known as the servo. (The robot that can be played as a sim)
Chat with our AI personalities
Yes you do you need Sims 2 Open For Business and then it will allow you to make robots and buy the robot workshop or type in boolprop testingcheatsenabled true and that can make a robot.
The Servo robot's can have babies.
On The Sims 2 for PC, you don't buy him, you make him. I'm not sure about The Sims 1, since I only ever had the PS2 version.
There are 2 ways to get a robot. 1 when you get 40,000 life time happiness poins there is an option called my best friend if you get that you get a robot that is your best friend. 2 when you are a level 10 inventor you will get a call for a robot you there a few supplies you need.
To have robots invade, you need to turn the DS internal clock backwards, then play The Sims 2. However, when you kill one of the robots, it just respawns.