A pandemic is all over the world meaning the whole world is affected not just in one country A endemic is in a country or community rather then the entire world just in parts
The difference is a endemic is smaller it could turn in to a pandemic though
But a pandemic is the whole of it the entire earth.
Explanation: amnesia is a condition that gets better over time so it's normal that his game gets better the more he plays. He will gradually get his memory back
