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that's a red block not square (atleast according to Google image search)

To further derail this, the definition of a square:

square
skwɛː/Submit
noun
1.
a plane figure with four equal straight sides and four right angles.
"a grid of ruled squares"

So while that is a red block, it also fits the definition of a red square, thus the request have been sort of fulfilled. It only needs to be put into the game.