Nokia 3310 Game Jam Entry by Aaron Winter (Bitron) and Serge Bernhardt (Regression).

Bitron: Code, design, art
Regression: Art, design, sound

Controls:
A/D or Left/Right to WALK
W or Up to JUMP
S or Down to ATTACK
Enter to advance in Menu

Note: The game's known for glitching sometimes upon opening it, so it's advised that you refresh the page, download the game below, or try it out in a different browser.