Vainly

The Blue Protagonist is imprisoned in a small cell by three villainous characters:

The Real Pain, the prison's boss who is red and has mustache.
The Biggest Vain, a giant and mysterious knight who prevents prisoners from escaping.
And, The Smallest Stain, a psychopath who enjoys killing escaped prisoners with a shotgun.

But suddenly, the door opens and now the only thing he wants is vengeance.

Help him exit his cell and jump over the obstacles on his way to find and kill those who made him suffer.

Key Features:
Influenced by the ideas of Albert Camus, specifically his essay The Myth of Sisyphus.
A short story-driven game that can be classified in the absurdist fiction genre.
Storytelling using gameplay, with a few short cutscenes and no dialogue.
Minimalistic graphics
5 levels
3 engaging boss fights
Patrol enemies named Purple Goons who sometimes choose jumping off the platform over patrolling.
Minimalist soundtracks that empower the story and the gameplay.
Hidden areas and collectables that add replayability to the game.
Everything from code to music is created by one person.