gameinfo.txt is not a valid format.

[Lightning Laser]

so what do I do?

 

[onefourth]

Are you trying to install the game on a Windows OS on the same drive Steam is on?

 

[Lightning Laser]

I was able to get it to work the background didn't work then everything become corrupt.

 

[callmecotton]

I have the same problem if anyone knows a solution