Brilliant, loved this one to pieces. Genuinely downloaded it to play later :) Tho I found it really hard, but maybe I'm just bad, the screen moved really fast so I didn't have the chance to get some of the coins and hearts. I clipped into the walls a few times and got stuck. The side spikes also don't do damage but I might be wrong, I flew into them a few times and didn't die. 

Nice game! Audio was nice, the visuals were pretty appealing, camera movement was pretty nice, but a couple things that went wrong though were the gameplay. Here's a couple of problems I found:

• When the duck hits the spikes, the duck becomes immune to those spikes and doesn't take damage anymore. 
• For some reason, a button shows up on the bottom right of the screen that allows the menu screen to pop back up during gameplay. It only messed me up once when I tried clicking it, but nonetheless, it was a bug I noticed.
• When the bird flies all the way to the top, it ends up losing a heart, which I don't think is supposed to happen. Usually, the player should be able to come back down and continue the gameplay.
• The respawn system is kind of off. When the target that follows me hits me or the spikes hit me sometimes, I end up teleporting inside of the platform, which messed up my gameplay a bit. 

If this game polishes up a lot more, it would be a pretty amazing  survival game. Overall, great job!

It is a beautiful game, but I encoutered a bug many times that make my duck suddendly teleport in the wall and then I can't move it so I lose a life. it's also disturbing to get teleported when you lose a life, it would be more natural to have the duck stay at his position. Good job !