Pretty much on par with what you expect from slasher films. May need a sip through 1 Mai Tai as the movie sets up the main event but once it gets going, it gets good. Of course, the experience is enhanced with a full theatre.

Now I have a certain piano riff stuck in my head...

Updated 2018 ranking of movies I saw so far:

Black Panther (0 Mai Tais)
A Quiet Place (0 Mai Tais)
Microhabitat [소공녀] (0 Mai Tais)
Ready Player One (0 Mai Tais)
Deadpool 2 (0 Mai Tais)
Mission: Impossible - Fallout (1 Mai Tai)
Halloween [2018] (1 Mai Tai)
Avengers: Infinity War (1 Mai Tai)
Keys to the Heart [그것만이 내 세상] (2 Mai Tais)
Believer [독전] (2 Mai Tais)
Ant-Man and the Wasp (2 Mai Tais)
Solo: A Star Wars Story (2 Mai Tais)