Move your mouse to move the shield. Block spears with your shield to gain points. Don't let the spears hit the duck or it's game over! Try to get the highest score! Note: something that happens is that you only gain points if the spear dissapears. otherwise, it just stops the spear.
Credit to @MCL66 for the original project. I just added the game over mechanics, music, thumbnail and scores. about 50% code by me, 50% by @MCL66 Credit to Toby Fox for Undertale - Go play it :) also music by Undertale