Error_Boy.exe

"Error_Boy.exe" is a 2D bullet-hell roguelike game where the administrator of errors, "Error_Boy" resolves a situation where various games have been mixed due to an error.

You must defeat enemies using items and weapons from each game and approach the origin of the error."

One cyber world...
There was a boy who managed errors in video games...
His name is Error_Boy...!
But he has never fixed an error before...
Because there's never been any error so far...
He used to be full of enthusiasm.
But as time went by...
He finally burnt out and boring days went on.
---until today...