The Dungeon of Lulu Farea is a puzzle dungeon spanning 60 underground levels. It's an indie role-playing game developed by Galaxy Wars and published by DLsite in 2019. You are an adventurer who has come to take on the dungeon. Enemies, money, and items are all limited, so use your brain to find a way through!
The system requirements are lightweight; almost any new laptop will work for playing The Dungeon of Lulu Farea.
The RAM requirement of 4gb is easily met.