GameMaker | How To Make Platformer Movement in 5 Minutes @GameMakerEngine | Uploaded June 2023 | Updated October 2024, 3 hours ago.
This is the fastest way to make basic platformer movement in GameMaker (yes, it supports slopes!). ⚠️ Read pinned comment if your player isn't moving

Get the assets:
yoyo-www-cms.s3.amazonaws.com/sites/5d75794b3c84c70006700381/assets/6479c714e630cb0017035136/easy_platformer_sprites_drag_into_gamemaker_window.yymps

Read more about it: gamemaker.io/en/tutorials/easy-platformer

Download GameMaker today: gamemaker.io/en/download