Horror Hotel: Slot Overview

Horror Hotel is a creepy-cute online slot from software provider Relax Gaming that made us wonder why some people can’t get enough of horror movies while others avoid them. A quick dive online brings up all sorts of reasons, from psychology to the search for a thrill. Naturally, “scary” comes in many shades, and the fright factor in Horror Hotel sits around the same level as the Hotel Transylvania film franchise—meaning there’s barely any real horror. That’s probably for the best, since this is an online slot rather than an arthouse slasher. So settle in, keep the lights on if you prefer, and prepare to check into the hotel.

Horror films are known for saving the twist for the finale, so we’ll flip things around and start with one. The key reveal is that Horror Hotel takes inspiration from the 2021 Relax Gaming release Santa’s Stack, which means the two titles share plenty of similarities. Where they differ is the theme and backdrop. Swap the cosy, snowy Christmas setting for a nighttime graveyard under a glowing full moon, with twisted trees and a castle/hotel looming on a hill. Visually and in vibe, it’s a bit like Fat Drac. There are skulls everywhere, and the music adds a touch of mystery, but the overall mood leans more toward playful than panic-inducing. Trigger free spins and the action shifts into the hotel lobby, where anyone hoping for a restless night might just find a room.

Adding to the late-night bumps is a highly volatile math model, delivering a return to player of 96.17% or 96.5% when buying the bonus round. In both modes, players choose a base bet of 10 p/c to $/€50 per spin, and the game runs smoothly on desktop, tablets, or mobile devices. The playfield is made up of 6 reels with 6 symbols on each, and a win lands when at least five matching symbols connect next to one another horizontally or vertically.

Horror Hotel’s pay symbols pack strong values at the top end and feature three potion bottles as the three low pays, followed by a mummy, a werewolf, Frankenstein’s monster, and a vampire as the four high pays. A 5-symbol winning cluster returns 0.1 to 1 times the stake, while a 35+ sized winning cluster awards 500 to 5,000x the bet. To round things off, wilds can appear anywhere and substitute for all symbols except the scatter symbol when calculating wins.

Horror Hotel: Slot Features

Across every stage of gameplay, the Mystery symbol feature can trigger. Here’s the process: when a winning cluster lands, every symbol involved in that win, including wilds, is converted to mystery symbols, and a respin is granted. Before the respin happens, all non-winning symbols are removed from the grid, and the mystery symbols fall to the lowest possible positions. Once fresh symbols drop in, all mystery symbols transform into the same pay symbol type. If the win increases or another cluster win is formed, the feature activates again.

Free Spins

Free spins are triggered by collecting at least 3 scatter symbols in a single spin; 3 scatter symbols award 5 free spins, plus 1 extra free spin for each additional triggering scatter symbol. While free spins are running, any scatter symbol that lands awards +1 free spin. Throughout the feature, an increasing number of wild symbols appear: 1 wild appears on the first spin, then an additional wild symbol is awarded for each following free spin. On top of that, a win multiplier applies during the bonus. This multiplier increases by +1 following each cluster win and only resets once the round is over.

Lastly, where available, players can buy free spins. To do so, click the Buy button and pay 100x the bet to guarantee at least 3 triggering scatter symbols.

Horror Hotel: Slot Verdict

Switching from Christmas cheer to spooky vibes isn’t an everyday move, yet Horror Hotel makes the change effortlessly. Then again, last-minute Christmas Eve shopping in a sea of stressed-out crowds could easily qualify as horror for some. But back to the slot. Santa’s Stack was an enjoyable game with a playful retro look; it didn’t rely on a huge feature list, but it could combine what it had in a really satisfying way. Horror Hotel matches that strength, blending its mechanics into a single, entertaining package.

One clear step forward in Horror Hotel is that every winning cluster activates the mystery symbol feature. In the earlier game, this kind of action only occurred when the win included a wild symbol. The approach echoed Beast Mode‘s mystery symbols bonus round, and using it here speeds things up while giving every win a shot at turning into something bigger via the respin. Naturally, not every win upgrades, but the possibility that it could adds to the replay value. In that sense, Horror Hotel also brings to mind Relax Gaming’s Alice in Wonderland-themed slot Plunderland. You can spot the upside if the right symbols land in the right way—stacking up mystery symbols, for example, and hoping they flip into the vampire. It’s not simple, but you can see a route to it. The very largest cluster wins may be slightly reduced compared to Santa’s Stack, yet they remain a tempting target, and Horror Hotel keeps the same max win as Santa’s Stack at 20,000x the bet.

Horror Hotel smartly reuses several familiar Relax Gaming concepts, then adds its own twists to deliver an experience that still feels distinctive. Anyone who enjoys the studio’s catalogue should find plenty to like here, as it’s another polished Relax Gaming slot with all the right elements for a spookily fun session.