Here is an overview of the game, via Nintendo.com:
A platformer about climbing a mountain, from the creators of TowerFall. Unravel the secrets of the mountain and overcome your limitations to reach the summit.
- Expressive, tight controls with layers of depth to master.
- 600+ levels across a sprawling mountain, with plenty of secrets to discover.
- Meet a peculiar cast of climbers and traverse a personal character-driven story.
If you missed it, catch the latest trailer here.