The Long Gate — is a challenging and beautiful single player puzzle game. You will explore ancient caves filled with mysterious mechanisms and passing through relaxing oases of nature, and learn to solve the three main types of circles that pass through them digital, analog and even quantum. There are many hidden secrets for you to find. Most of the puzzles can be completed in any order, and some have more than one solution that you can find. And mastering the schema type will provide clues to new areas.