# Apply visual effects [Back to Use gameplay actions](https://rustic-game-engine.pages.dev/markdown/guides/gameplay-actions.md). `Effects.fade` animates Opacity, `flash` animates Color and returns it, and `shake` applies a deterministic decaying position offset and restores the start. Camera shake uses the same action. `Effects.pulse(object, scale, duration, easing?)` scales out and returns.