I wish there was more, I will say once you get a higher degree of rarity for the worm troops and getting certain upgrades, it becomes super easy without using any buffs, other than merging them for better troops. But man, I want more of this game.

Good music, very catchy.
Even with the tutorial telling me what to do, I still felt confused on the gameplay and in return makes things frustrating because I'm not sure what to do.

Music is amazing, the controls at first I didn't like (especially the land part), but after more than a few races, it's perfect.
Nothing really here to critique, I do want to say the RNG is a big problem because you want a great time, but it beats the purpose of upgrading your tools to beat the duck in the first place.
If this becomes a bigger game with more things to add; suggestions:
Leaderboard maybe / Timer
Customizations on the duck themselves
Finally achievements which can be challenging to implement but having more quicker ducks in the way (The Elite Ducks).

This is really good!