Here is an overview of the game, via its Steam page:

About

GOODBYE WORLD is a narrative adventure game where you follow a linear storyline of 13 chapters about two game creators while playing an in-game puzzle platformer.

Story

Relationships change.

Programmer / game designer Kanii, and graphic designer / scenario writer Kumade are two indie game creators.

The two are working on a new project, funding it with their earnings from their last game, but Kanii has been going through a creator’s slump and they haven’t been able to create anything for the past two years.

Time is running out, and so is their money.

In desperation, they reach out to a game publisher, but…

Key Features

• A non-combat adventure with a conversation-based storyline.
• The mini-games playable during the game consist of 12 stages and are developed by the two characters in the game, Kanii and Kumade.
• As you progress through the adventure part, the development level of the “game” will advance and the next stage will become playable. What is the ending that comes when you clear all the stages?

GOODBYE WORLD is due out for PC via Steam in 2022. A demo is due out on June 14.

Watch the trailer below.