flixel.system.scaleModes

..
BaseScaleMode

FillScaleMode

FixedScaleAdjustSizeScaleMode

FixedScaleMode

PixelPerfectScaleMode

A scale mode which scales up the game to the highest integer factor it can, maintains the aspect ratio, and windowboxes the game if necessary.

RatioScaleMode

RelativeScaleMode

StageSizeScaleMode