Assets

FlatFX (Unity asset)
FlatFX
$5 on Asset Store
Online manual
ProtoShape 2D (Unity asset)
ProtoShape 2D
$15 on Asset Store
Online manual
Wavy Sprite (Unity asset)
WavySprite
Free on Asset Store and itch.io
Shaper 2D (Unity asset)
Shaper 2D
$5 on Asset Store, free on itch.io (older version)
Online manual
Light Rays 2D effect (Unity asset)
Light Rays 2D
Free on Asset Store and on itch.io
Pixelate post-effect (Unity asset)
Pixelate post-effect
Free on itch.io