Every JRPG in "old style", like Final Fantasy 1-6, or any game on RPG-Maker looks like you described it.
For example, here is FF2 world map:
Or random Steam RPG-Maker game, battle screen:
They are all the same. And unfortunately, only blue blob I can remember is famous Nintendo's Slime from the Dragon Quest series.
So... maybe my replies will help you, but I am not sure.