Grandpa Love Letter

This is a point and click escape game that is based on a wonderful love story. There is an old man who has been left by his wife who chose career over him. He used to be a poor person but now he is a rich man. He still loves his wife as he always used to. He wants to go and find his wife who had moved to another country. He had once received a letter from his wife and the letter had her address on it. However, he cannot find the letter now. Help him search his house thoroughly to find the letter.