The Dungeon of Lulu Farea is a puzzle dungeon spanning 60 underground levels. It's an indie role-playing game produced 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 light; almost any new laptops will work for playing TDoLF.
The RAM requirement of 4gb is easily covered.
Take account that at least 2gb of disk space is necessary.