The Knightling Lets Is a Platformer That Lets You Use Your Shield as a Surfboard

The Knightling is an upcoming fantasy action-adventure focused on fast-paced combat and creative platforming in which you can surf around the game world on your shield.

https://www.ign.com/articles/the-knightling-lets-is-a-platformer-that-lets-you-use-your-shield-as-a-surfboard