'Ruby : Cannot load such file --ruby2d (LoadError)

I'm new to Ruby,Writing some code to make a game,so using ruby2d library.

Got an error while writing some basic code.

Help me out Folks.

require 'ruby2d'
set background: "Navy"
show

Solution 1:^[1]

After searching for the above problem on various sites,Finally my problem got resolved.

So,All the folks who would come across the same problem. Here's the Solution

{ Do as it is as written in the article for the Linux users }

2)gem install ruby2d

Yippe, Everything works well! After this.

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Solution	Source
Solution 1	apoorv gupta