This game takes inspiration from the Super Mario games released in the 1980s. In this game, you play as a boy who tries to rescue a princess who is trapped in the castle.  You can kill enemies, collect coins etc. to boost your score.  This game is completely free to download and play. This game is available to download for Windows, MacOS and Linux.

Itch.io link: https://aashiq-ahmed.itch.io/rescue-the-princess

Trailer of the game:

Some screenshots from the game: