Single player world missing from list

[Renegade0878]

Hello,

 

I had a power outage while playing Blightfall in single player. after a restart my world is no longer available in the list. How can I recover it?

[AetherPirate]

http://minecraft.gamepedia.com/Tutorials/Recover_corrupted_saved_world_data

try this procedure

[Renegade0878]

When I do this I do not see my old game. I see the NEI, world2.01, world2.0.1A, and world2.0.2. None of these are named as my old world. Also none of the world folders have a level.dat file in them.