Online games? Sure.
Games that come on a disc / CD-Rom? No.
Due to regional laws, media purchased in one continent will usually not work on devices in another continent. For example, An American DVD will not work in a British DVD player.
In a word, No
Yes. The Sony PlayStation 3 computer entertainment system does not have region lockout for PlayStation 3 games, therefore European games can be played on a Region 1 PS3 and vice versa. However, the same does not apply for Blu-ray movies, DVDs, and PlayStation 2 games.
It shouldn't be a problem except that the game will be in a foreign language.
I've purchased American PC games and played them on my computer in the UK and they worked well.
Yes, European Wii games are able to be played on a English wii console as England is European. but American and Japan wii games will not work on a European wii or English.
No. The Wii is region locked so it will not play European games.
Games can be played on a Macintosh computer.
no
yes.
Sadly you can not, 3DS games and DS enhanced games(DSi) are region locked. This means that games made for Europe can only be played on a Euro 3DS. Same with the American, Japanese, and Australia units.
It can play European DS games, but not European 3DS games. 3DS games are region locked, but you can still play regular DS games on any 3DS console (tested with European 3DS and US DS games).
You operated your computer and played games.