Based on the final boss of Kirby's Dreamland 3! Click the flag twice! Arrow keys or WASD to move, space to shoot. Call Gooey in by pressing 2. Updates: 8/22/18: Shared game. 8/23/18: Added Gooey. 8/24/18: Outlined all of Gooey's sprites. 8/28/18: Added stage intro. 2/2/19: Fixed a glitch where touching the edge of the screen prevents you from shooting hearts and basically soft-locks the game. 7/27/19: Edited Dark Matter phase and made the little dark matters slower. 9/15/19: Made a new attack for Dark Matter. Fires its orbs at Kirby like in Kirby's Dreamland 3. 6/4/20: Made a death animation for Kirby. 6/4/20: Made a flying particle trail for Kirby along with editing death animation sequence. 3/16/21: Edited Dark Matter's death animation. 3/17/21: Edited Zero's eye sprite. 3/17/21: Moved the Love-Love Stick in the intro cutscene. 3/17/21: Changed movements and repositioned characters in the ending. 3/18/21: Fixed death bug where the game crashed upon startup after dying. 11/14/21: Added WASD controls. 4/19/22: Changed Dark Matter Lightning sprites and fixed thumbnail. 7/26/23: Fixed music bug that continued the music of the first phase throughout the fight.
TSR, Tater Tot Tunes on Youtube, Google, and eekeekturtle for the Dark Matter sprites. Credit to technoboy1 for the explosion effect. Kirby Adventure and Kirby's Dreamland 3 owned by Nintendo.