From the Steam page:
Help Madeline survive her inner demons on her journey to the top of Celeste Mountain, in this super-tight, hand-crafted platformer from the creators of multiplayer classic TowerFall.
A narrative-driven, single-player adventure like mom used to make, with a charming cast of characters and a touching story of self-discovery
A massive mountain teeming with 700+ screens of hardcore platforming challenges and devious secrets
Brutal B-side chapters to unlock, built for only the bravest mountaineers
IGF “Excellence in Audio” finalist, with over 2 hours of original music led by dazzling live piano and catchy synth beats
Pie
The controls are simple and accessible - simply jump, air-dash, and climb - but with layers of expressive depth to master, where every death is a lesson. Lightning-fast >respawns keep you climbing as you uncover the mysteries of the mountain and brave its many perils.This is it, Madeline. Just breathe. You can do this.
Thanks! 85K overwhelmingly positive reviews is solid. Her other game is 75% off.
Tower Ascension