Game is quite addictive but kindly take these with a grain of salt.
1. The monster does not growl to signify its presence and to raise tension and a bit of panic.
2. No collectibles/power-ups to defeat the monotony.
3. Countdown timer was a bit too loud.
4. The monster is revealed to only be a floating head which makes the monster less scary.
Overall, it's a great casual game!