someone solve this puzzle/code

[meow░w░w▒w▒w▓w▓]

XRGFIOZGMFBNCCDIUHRUSSEEMCOXVXCWRP

if you have any idea lmk thx
the image under the text is from the music video Iron Maiden ー Speed of Light

 

[O F]

I'm drink out an iron maiden cup #sweg
im not bothering with this though omg.

 

[blast]

What game is this? Looks pretty fun.

 

[meow░w░w▒w▒w▓w▓]

What game is this? Looks pretty fun.

it's.not.a game
it's something i need to figure out