Heart Horror

Heart Horror is a browser-based bullet hell shoot-em-up game.

The core of gameplay is to avoid bullets, partially by recognizing and remembering enemy boss attack patterns.

The avatar you control is a lot larger than your hitbox – enemy bullets may touch your ship and yet you will not take damage. Only if the bullet touches the very centre of your ship will you lose a life point.

The game is programmed in TypeScript.

The game was created at the age of 24, in 2017.


(walkthrough video by Kopa Leo, from an older version of the game)

Play online:


  • 6 bosses to defeat
  • 5 difficulty levels
  • Story doesn’t get in your way
  • Hours of frustrating fun when trying to perfect the stages

Source code:

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