Sonic 1 (the 8-Bit Master System version) on the Commodore 64! This game took about 2-3 weeks to make. Also, this game is released in the same day as Sonic's 30 years aniversary! (23.06.2021)
Left and right arrow keys to move left and right.
Down arrow key to crouch.
Up arrow to Jump
When 300 hits in the timer, you lose.