"Fadin's Vacation in the Parallel Kingdom" draws inspiration from 90s classics such as Contra III, Super Mario, Shockman Zero, Excitebike, and Super Metroid. Its aesthetics and difficulty are influenced by games like Celeste. However, make no mistake, "Fadin's Vacation in the Parallel Kingdom" was created to be a new and unique 2D platformer, featuring original characters, vibrant colors, and vastly different stages with each step of the game's progression. Nevertheless, it includes features designed to teach beginner players how to develop and evolve within the game.

You control the game using the directional pad and five buttons: action, action2, jump, switch, and dash. In each stage, you'll control new characters: Fadin, Lizyanda, Cowrumble, Pudim, and Mousse, each with their own mechanics and challenges. The game will feature a story mode, a stage selection mode to practice stages, and a challenge mode unlocked through the story mode.