Oof Games 2/Happy Oofday!

Happy Oofday! is a single-player horror game created by Oof Games 2. The game revolves around the player attempting to survive a mysterious murderer at a birthday party.
==Backstory==
The unknown red figure has defeated Superior Oof at his first attempt to murder you, but that wasn't the end of him… Someone or something mysterious has revived Oof's spirit for it's second attempt to murder you. Your friends have invited you over to an abandoned yellow house to celebrate your oofday party. Can you make it out of this one alive? Can you destroy Oof's evil soul? It's up to you how it will end…
==Trivia==
*An oof remake of the song Mad World plays upon joining the game.
*An oof remake of the happy birthday song plays when the murderer kills you.
*Although cartoonish, the game recommends users under the age of 13 not to play due to jumpscares, loud sounds, and blood.
*The game's like-to-dislike ratio is 7K–1K, giving it an 85% rating.
*The game has been favorited over 26K times.
*Each game server holds one player.
*The game currently has over 5 more sequels and a reboot. however the reboot is closed down