You’re right — a lot of older Flash titles were built with fixed dimensions, so they can look very small on modern high-resolution screens.
On my own site, I’ve implemented a fullscreen option for many games. Not every title supports native fullscreen (since it depends on how it was originally developed), but in cases where it doesn’t, I use a fullscreen iframe container that expands to the entire browser viewport. This doesn’t modify the original game resolution, but it improves the viewing experience significantly by removing surrounding UI and scaling the container appropriately.
If you’re running a games platform yourself, one practical approach is:
* Wrap the game inside a responsive iframe container
* Use the browser Fullscreen API to toggle true fullscreen mode
* Apply CSS scaling carefully (while preserving aspect ratio)
* Provide an easy exit button for usability
It won’t solve limitations baked into the original game files, but it can make the experience much more comfortable for players.
If there’s interest, I can share a more technical outline of how to structure the implementation.
