Abandonware Puzzle games
Puzzle solving games have an emphasis on solving problems in themselves rather than using them as a means to progress a narrative. This genre is ideal if you’re looking purely for tests of logic, sequence solving, pattern recognition and more.
Typically puzzle games will consist of such tests as word completion puzzles, trivia, physics games, locating hidden objects as well as more traditional puzzles. They also crossover into other genres, the most common form being the action-puzzler games which rose to prominence with games like Lode Runner and Pipe Mania and continued with the Lemmings series.
Other popular brainteasers are the likes of the legendary falling block game Tetris and its many clones, such as Klax. If you are seeking a more scientific challenge, then the Incredible Machine games, which offer a series of physics puzzles to create machines to carry out simple tasks,will be ideal for you.