I made a few 2d game animations for the Unity team on their 2d GameKit project. Check em out!
You can also download and play the game right now:
https://assetstore.unity.com/packages/essentials/tutorial-projects/2d-game-kit-beta-107098
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It was definitely a fun learning experience. I think if I were to make them again right now I'd do a few things differently. I wish I'd had more time to mess with the rough animations in a prototype phase, but budget and time constraints are a thing.