Fibrillation is a first-person philosophical horror game. The game does not allow players to save, so you have to complete the game in one go. The game only takes players around 40 minutes to complete, and you must play as Ewan, someone that is being haunted by hallucinations. He must overcome his own fears, and pass through many obstacles so as to complete the game. The game is $1.99 for you to buy it. You can play a free demo at the link below.