On Pokemon Blue, Yellow, Red, Crystal, Gold, Silver, FireRed, LeafGreenCan not get it without cheating
Perl, Diamond, Ruby and Sapphire
Yes if you trade from Emerald
Emerald
Mew is found on "World's Edge Island," and you need some sort of Old Sea Chart item to get there.
(Link to the FAQ off the person that wrote that is in the links section under Emerald)
Platinum
Available in My Pokemon Ranch by transferring 999 Pokemon and then trading a Egg for Mew. Also available in Pokemon Emerald as a special event Pokemon.
(Link to the FAQ off the person that wrote that is in the links section under Platinum)
As for all other Pokemon Games (I listed the main stream ones, I do not know however I've attached a link to a list of the games, press FAQs and use the find function on"mew" to find out.
Someone hacked the game and found Mew in the code, but it is currently not possible to get it (without hacking).
Without hacking, there isn't a way to catch a mew without a Nintendo Event.
You can never get Mew without hacking or getting it from a hacking friend. Besides, its Mew and Mew2 O_O
You can't get Mew without hacking. Mew can't be caught in fire red.
The only way to get Mew is to go to the Old Sea Chart event, or by hacking the game.
No, you cannot catch a mew in Pokemon Platinum without cheating.
You can't catch mew without a ticket. You can get it from gameshark or trade it from another game, but you can't catch it.
you can't catch it without the cheat.
I don't think you can catch MEW without a action replay. But you can catch MEW2 in Pokemon Fire Red or Leaf Green. You CAN'T cach mew without an action replay, but you can trade mew-two from the other games to the newer ones
It is an event where you can obtain MEW. MEW is a Pokemon that you can only obtain in an event, or hacking.
You would have to get a special event
There is no possible way without hacking or cheating. I heard they are bringing Mew back in Pokemon Heart Gold and Soul Silver.