beat the game and if you did beat the game go into the cave and you will find mew and mewtwo but you can only go into the cave when you have all pokemon What cave? Where is it???
you do need cheats
yes they are many just look up on google. what to type on google or any other search staition Pokemon Diamond Cheats With No AR
You can't without cheats.
tradefrompearl
its impossible without cheats
transfer from emerald
You can't. it's true. you can't sorry.
Sorry, you cannot obtain Jirachi in Diamond Version without the use of cheats. You can obtain it via Pokemon Colosseum pre-order disc though.
see 450 Pokemon in the pokedex
you can not get a totadile on firered. You can only get it on diamond with cheats i think.
there are 1 : 1 000 000 chances of getting shiny Pokemon's without using cheats, but it is possible, remember, if you find a shiny Pokemon's, you only have on chance
Darkrai.