100 Doors is an infuriating game of logic and deduction which will have you scratching your brain for hours.
As the name suggests, there are 100 different levels in 100 Doors, and in each one you must try to work out how to open the door. It's quite easy to start with and the first few levels involve just pulling levers and finding objects to help you open the door.
100 Doors quickly becomes very difficult and you'll find yourself having to think laterally in order to solve the puzzles. There are some doors that will only open with a certain sequence of button presses, others that require you to tilt the phone in some way, and others that are just plain obscure.
We guarantee that you won't be able to get through 100 Doors without consulting a reference guide online or downloading the companion answers app.
In terms of its presentation, 100 Doors isn't much to look at. However, the intensely tough puzzles will keep you occupied for a long time!