Open-world blockbusters, giant live service titles, massive installs that eat half a hard drive. Modern gaming is full of heavy hitters that demand time, focus, and storage space. Yet quietly, in the background, another kind of experience continues to thrive: the humble browser RPG.

For players who grew up grinding monsters between classes or sneaking in battles on shared family PCs, that style of game never really went away. It just evolved. A modern free browser pokemon game, Pokemon...