This is a bossfight from Kirby that uses a Hermite curve for the path of the boss (Krako)! You can move with the arrow keys and jump with the space bar or up arrow. You can fast fall by hitting the down arrow key at the apex of your jump as well! To attack, hit the "Z" key in the air to try to hit Krako without getting too close to his eye! You can take 5 hits before you go down, Good luck!
The spikes don't do damage, just the eye.