Rayman Redemption is a reimagination of the original Rayman game from 1995. It features a lot of new content, including new worlds, levels, minigames and other stuff to collect and complete.
The original Rayman game was notoriously hard, but Redemption attempts to fix all of the issues by QoL updates, level design adjustments, more accessibility options etc.
How to download?
Due to the size of the package, you have to visit the Gamejolt page and click the first download link on the page (picture below). No Gamejolt account is required.
Link to the Gamejolt page