Commune with the old ones

A lovecraftian inspired rogue-lite procedural puzzler. An otherworldly entity visits you each night, disrupting your dreams to enforce its teachings upon you. Fail its test and you are woken up without any sleep, setting you back at the start of its trial. As you complete its tests you gain "essence" which you can use to unlock "artefacts" that help you in the trial, while at the same time the tests increase in complexity as new mechanics are introduced. Will you complete its trial and finally get a restful nights sleep, or lose your mind to its madness? Gameplay: Swap symbols and try to deduc...