Minecraft acting weird

[Rainbow Dash]

When i played my minecraft 1.3_1 i loaded a map off 1.0.0

And this happened









note my skin in these images are my mortecai skin i made you can have one

 

[WildStyleZx89]

Yea older maps get ruined due to the fact that newer versions of Minecraft have different world generator systems/software. Nothing you or we could do about it..

 

[Rainbow Dash]

Hey but inst it weird

Its funny becuase i found 100 diamonds near A sheep and it crashed lol my for realz 1.3 and other 1.3 worlds still load perfictly