Hit Juice

Freev1.0.0

Make every hit feel heavy in 2D web games: trauma screen shake, hit-stop, flash, squash and stretch, knockback, sparks, damage numbers and phone vibration.

What's inside

Trauma-based screen shake
Hit-stop and white flash
Damage numbers and sparks
Works with Canvas, DOM, Phaser and PixiJS

Live demo

Open demo in a new tab

Install

Paste into your agent

Read https://gameskill.dev/skills-pro/hit-juice/install.md and follow the instructions

Or use the CLI (coming soon)

npx gameskill install hit-juice --agent claude-code

Or download the ZIP and unzip it into your skills folder

Download ZIP

License: MIT. Use it anywhere, including commercial games.