Return to player
96.27%
Min bet size
0.10
Game type
Video Slots
Variance
High
Reels
6
Progressive Jackpot
No
Popularity
Max bet size
100
Game provider
Hacksaw Gaming
Bonus Features
Yes
Paylines
35
Theme
Post Apocalyptic
Decay online slot game
Hacksaw sets the player into an abandoned amusement park. The rides are silent, and the visitors did not go home. They just roam around, but not in the way they used to. Decay feels bleak in a way that most horror slots do not bother with.
Decay Slot Overview
| Detail | Info |
|---|---|
| Provider | Hacksaw Gaming |
| RTP | 96.27% |
| Volatility | High |
| Max Win | 10,000x the stake |
| Grid | 6x5 |
| Win Mechanic | 35 fixed paylines |
| Min Bet | €0.10 |
| Max Bet | €100 |
| Buy Feature | Yes |
| Mobile | Yes |
- The casinos can adjust RTP percentages. Check this before you commit.
Theme and First Impressions

Hacksaw Gaming has created a dead carnival and left the player in it. The reels rest against peeling walls and a grey sky, while zombies wander in the background from the ferris wheel to the closed cafe. The symbol artwork is disturbing, particularly the clown premium one.
Decay seems more restrained to the point of feeling bleak when compared to Chaos Crew 3, which throws neon and glitches at you until your eyes water. Decay has nothing of that kind. Hell Butcher takes the horror in a much more cartoonish way, using lava and hanging bodies, playing horror for spectacle. Decay only shows you an empty place where the rides used to run.
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How Decay Plays – Base Game
This slot uses 6 reels, 5 rows, and 35 fixed paylines. The low-paying symbols include card royals, paying 2.50x to 7.50x the bet for a combination of six. The high-paying zombies pay from 15x up to 40x for the clown. Land six wilds and get a 50x payout. The value of this slot is not in the base game. Our testing session produced frequent wins, although almost all of them landed at 0.10x to 0.80x.
With a 1 EUR bet, the paytable looks like this:
| Symbol | 6 Matches | 5 Matches | 4 Matches | 3 Matches |
|---|---|---|---|---|
![]() | 50.00x | - | - | - |
![]() | 40.00x | 20.00x | 10.00x | 5.00x |
![]() | 25.00x | 12.50x | 5.00x | 2.00x |
![]() | 20.00x | 10.00x | 4.00x | 1.50x |
![]() | 15.00x | 7.50x | 2.50x | 1.00x |
![]() | 15.00x | 7.50x | 2.50x | 1.00x |
![]() | 7.50x | 3.00x | 1.00x | 0.30x |
![]() | 5.00x | 2.00x | 0.60x | 0.20x |
![]() | 5.00x | 2.00x | 0.60x | 0.20x |
![]() | 2.50x | 1.00x | 0.30x | 0.10x |
![]() | 2.50x | 1.00x | 0.30x | 0.10x |
Bonus Features and Free Spins
SwitchSpins

This feature is Decay’s driving force. If the Switch scatter lands on the reels, it triggers a set of 1-10 respins with selected icons being replaced by either the wilds or the high-paying symbols. If another Switch symbol lands during the feature, more symbols are added to the replacement pool, plus extra respins. After the respins are set, the replacements reset.
Mad Scientist

Three Mad Scientist scatters landing during the base game provide 10 free spins with enhanced Switch odds. If 3 Total Takeover scatters land during the Mad Scientist feature, the better bonus starts at the end of that spin, and the counter resets to 10.
Total Takeover

Three Total Takeover scatters, from the base game or out of Mad Scientist, trigger 10 free spins. Switch odds climb again, and replaced symbols save progressively, carrying across sets instead of resetting. Thus, the grid keeps filling with high-paying symbols and wilds as the round runs. Three more scatters add 4 spins.
Bonus Buy

Decay offers four bonus buy options:
- BonusHunt FeatureSpins – 3x the stake per spin, 5x higher chances of triggering a bonus
- Switch Feature Spins – 20x the stake per spin, guarantees a Switch symbol every spin
- Mad Scientist – 110x, guaranteed feature access
- Total Takeover – 250x the stake, guaranteed feature access
What to Expect When Playing Decay Slot

The base game is busy yet not rewarding, so Decay asks you to fund a long wait for the feature that matters.
Win Potential and Volatility
The max win is 10,000x the bet, and it’s reachable in the base game, Mad Scientist, or Total Takeover. At the time of writing this slot review, we couldn’t find official information from Hacksaw on the max win probability or trigger frequency for either bonus.
Bet Range and Who It Suits
The bet range runs €0.10-€100, and feature buys can exceed that ceiling. This slot may become a good choice for players looking for a fast, busy base game who are honest with themselves that the constant activity is not rewarding enough. It’s also suitable for bonus hunters with different options, some of which aren’t costly at all. If you want a base game that holds a balance, skip Decay.
Mobile Performance
We tested Decay on an iPhone 16 via Safari in portrait. The slot performed flawlessly during our session, without stalling between spins, and the grid scaled perfectly to the screen size. Controls responded cleanly to touch. We didn’t test landscape, so we cannot comment on how it handles rotation.
How Decay Compares - Other Popular Slot Titles
| Slot | Decay | Chaos Crew 3 | Hell Butcher |
|---|---|---|---|
| Provider | Hacksaw Gaming | Hacksaw Gaming | Pragmatic Play |
| RTP | 96.27% | 96.18% | 96.55% |
| Volatility | High | High (5/5) | Medium |
| Max Win | 10,000x | 30,000x | 20,000x |
| Buy Feature | Yes, 3x-250x | Yes, 5x-200x | Yes, 100x-750x |
| Min Bet | €0.10 | €0.10 | €0.20 |
| Key Feature | SwitchSpins symbol replacement | Reel Multipliers + Epic Drop | Wild multiplier trail |
Decay is the game with the lowest max win amount, yet also the one with the cheapest bonus buy option. If you’re looking for the highest ceiling, consider playing Chaos Crew 3 with the Reel Multiplier collection built exactly for bringing higher wins. If you’re not into grinding base games, try Hell Butcher with its medium variance and cluster tumbles that provide more frequent payouts. Choose Decay if you want the cheap bonus access.
Verdict – Is Decay Slot Worth Playing?
During our session, we confirmed that the Total Takeover bonus is the main reason to play Decay. Progressive symbol collection gives a real feeling of progression, and watching the reels fill with wilds as the counter drops feels earned – something that few free spin rounds manage. The weak points are the low base game payouts and a pretty modest ceiling.
Our testing shows that Decay suits bonus hunters who will use the cheap buy feature, as well as players who prefer a fast, atmospheric grind. Skip this slot if you expect the base game to keep you afloat – it won’t do this.
James is a casino games expert on the Playcasino.com editorial team. With many years of professional experience at a leading casino game development company and a passion for playing casino games, James has become a true expert in slots, blackjack, roulette, baccarat, and other games.
James uses this expertise to provide reliable, insider advice through his reviews and guides, breaking down the game rules and offering tips to help you win more often. Rely on James's extensive experience for expert advice on your casino play.










