These are what we call the 'YMMV items.' Things that some people find in this work. We call them 'your mileage might vary' because not everyone sees these things in the same way. This starts discussions in the trope lists, a thing we don't want. Please use the discussion page if you'd like to discuss any of these items.
YMMV: The Sims 2
Genius Bonus: When Sims play chess, they move the chess pieces appropriately.
Mondegreen: Sometimes, the simlish actually sounds like they're saying something. Such as how some people having a pillow fight or playing with each other may sound like they're saying "Stop! Fuck you!" and "Fuck YOU!"
No Backwards Compatibility In The Future: Inverted - The Mac version will absolutely not run modern day Intel Macs that have been upgraded past Snow Leopard, due to being a PowerPC RISC binary and Apple dropping Rosetta from Lion onwards. Even with Rosetta the performance is questionable since it's not a native Intel x86 binary and thus requires a translation layer.
Scrappy Mechanic: Likely added to the "Ultimate edition"... but Mr. Humble will give you a new computer. Always nice - but he does this for every family you create.
"It's raining!" "It's hailing!" "It's snowing!" Yes, we knew that it was raining and hailing... how many times do I have to get the "It's raining!" off of your task queue?
Put a computer in the house and the sims will always try and play it unless you have free will off. This gets very annoying when you try to make your sims stand out so they don't miss the school bus or the carpool... and they decide to go play the computer.
Put a stereo in, and you better get used to the music - because it's not turning off.