The concept of a virtual VR horror ride/experience is so appealing to me that I probably would have enjoyed this without any gameplay at all.
Luckily, it is also a very solid rail shooter that ups the ante perfectly with each successive level in terms of creativity (both horror & gameplay). Don't let the carnival/clown concept on the surface fool you, new scenarios are introduced each time. The stages are just long enough, the action is paced accordingly, and there is no shortage of things to shoot at. On top of all that, the main dude in this game (who is also the writer of Until Dawn) clearly based his delivery on the Heath Ledger Joker. It's so weird! In a good way!