Grandad and the Quest for the Holey Vest

Grandad and The Quest for The Holey Vest is an adventure game written in STOS adventure creator. Grandad, who is rather old, has a habit of placing things in strange places and then forget where he has put them. One morning he wakes up and discovers that there is a bit of a nip in the air. He decides that he'll need to put on his string vest but he can't remember where it is. You have to help grandad find it. Guide grandad around his house, gather items, solve puzzles and unlock doors.