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Trevor Hunter Slot Review
Written by: Filip Gromovic Reviewed by: Nashon Khamala
Updated: Aug 2026
Trevor Hunter slot is a cascading video slot from Zerplaay Games, published through Hacksaw Gaming’s OpenRGS platform on August 5, 2026. It runs on a 3×3 grid that expands to 3×5 across three Progressive Levels, with up to 125 ways to win at full size. RTP is 96.3% and volatility is medium-high. The max win is 15,000× the bet, accessible inside the Bloody Gems Free Spins bonus where the Global Multiplier carries over across all spins.
The protagonist is Trevor, a Shar Pei dog on a grave-robbing treasure hunt beneath a graveyard. The three-level structure — Base Game, Crypt Level, and Bloody Gems — drives all bonus activity. There are no traditional free spins triggered by scatters; every feature is locked behind level progression or a Bonus Buy at 3× or 100× the stake.
Below is a complete breakdown of how the mechanics work at each level, what the symbols pay, and what determines whether a session reaches the top payout.
Trevor Hunter Key Facts
Here is a quick-reference table of the core specs before diving into the mechanics:
| Feature | Details |
| Provider | Zerplaay Games (via Hacksaw OpenRGS) |
| Release Date | August 5, 2026 |
| Grid | 3×3 (base) → 3×5 (expanded) |
| Ways to Win | Up to 125 |
| RTP | 96.3% |
| Volatility | Medium-High |
| Bet Range | €0.10 – €50.00 |
| Max Win | 15,000× stake |
| Bonus Buy | 3× / 100× stake |
| Progressive Jackpot | None |
| Free Spins | Yes (via level progression) |
How to Play Trevor Hunter
Trevor Hunter runs on a ways-to-win engine rather than fixed paylines. Matching symbols on adjacent reels from left to right form wins, and the number of available paths increases as the grid expands from 3×3 to 3×5 across Progressive Levels. Here is how a standard session runs:
- Set your bet using the + or – controls (€0.10 minimum, €50.00 maximum).
- Press the Paw button to spin the 3×3 grid.
- Winning symbols are removed and new ones drop in from above (cascade). Each cascade adds +1 to the Global Multiplier for that spin.
- Watch for Book Wild symbols — only the first one each spin acts as a Wild; additional Books light candles above their reels without substituting.
- Light all three candles across the three reels to advance to the Crypt Level (Level 2) and receive 10 free spins.
- In the Crypt Level, land Silver Key Wilds to unlock row 4 and Gold Key Wilds to unlock row 5. Clear all locks within 10 spins to advance to Bloody Gems (Level 3).
- In Bloody Gems Free Spins, the Global Multiplier is persistent — it grows every cascade and does not reset between spins.
- Use the Autoplay button for a set number of automatic spins, or access Turbo / Super Turbo via the three-bar menu.
- Use Bonus Buy to skip to Level 2 entry odds (3× stake) or directly enter Bloody Gems with 10 spins (100× stake).
Bonus Features & Mechanics
All of Trevor Hunter’s bonus value sits inside its three-level progressive structure and the cascade multiplier. There are no random features, no scatter-triggered free spins in the traditional sense, and no gamble feature. The mechanics described below are the complete bonus set.
Cascades & Global Multiplier
Every winning combination causes winning symbols to disappear, and new symbols fall from above to replace them — a cascade. Each cascade within a single spin raises the Global Multiplier by +1. The multiplier applies to the next winning cascade in the same spin sequence.
In the Base Level and the Crypt Level, the Global Multiplier resets to 1 at the start of every spin. The critical difference in Bloody Gems Free Spins (Level 3) is that the multiplier does not reset between spins — it carries over and continues to grow across the entire 10-spin bonus. A session that reaches Bloody Gems with several cascades already built up can push the multiplier into territory that produces the slot’s highest payouts.
Progressive Levels: Base, Crypt & Bloody Gems
Trevor Hunter has three distinct levels, each with its own rules. Progression is sequential and can fail at Level 2, which no competitor review explains clearly.
Level 1 — Base Game: Played on a 3×3 grid. The Book Wild symbol lights a candle on its respective reel when it lands; only the first Book per spin substitutes as a Wild. Light all three candles (one per reel) to advance to Level 2. Candle progress appears to persist across base-game spins.
Level 2 — The Crypt: Awards 10 free spins on a 3×3 grid with two locked rows (row 4 behind silver locks, row 5 behind gold locks). Silver Key Wild symbols unlock row 4; Gold Key Wild symbols unlock row 5. Each Key Wild is destroyed after unlocking one lock in its column. A maximum of two Key Wilds appear simultaneously. If you clear all locks within the 10 spins, you advance to Level 3. If you do not clear all locks before the 10 spins end, play returns to the Base Game — you do not reach Bloody Gems.
Level 3 — Bloody Gems Free Spins: The fully expanded 3×5 grid with 125 ways to win. Starts with 10 free spins and a persistent Global Multiplier at ×1. Each Bloody Gem Scatter that lands is removed from the grid, triggers a cascade, and grants +1 free spin. Every third Bloody Gem Scatter collected doubles the Global Multiplier. This doubling can occur multiple times. The 15,000× max win is achievable inside this level when the persistent multiplier compounds with cascades and doubling events.
Wild Symbols by Level
Trevor Hunter uses three distinct Wild types, each appearing only in its designated level:
| Wild Symbol | Level | Function |
| Book Wild | Base Game | Substitutes for all paying symbols (first per spin only). Additional Books light candles but do not substitute. |
| Silver Key Wild | Crypt (Level 2) | Substitutes for all symbols. Unlocks one silver lock in its column, then is destroyed. |
| Gold Key Wild | Crypt (Level 2) | Substitutes for all symbols. Appears only after all silver locks are removed. Unlocks one gold lock in its column, then is destroyed. |
There are no Wilds in Bloody Gems Free Spins; the Bloody Gem Scatter symbol is the only special symbol at Level 3.
Bonus Buy
Two Bonus Buy options are available at any point during play:
| Option | Cost | What You Get |
| BonusHunt FeatureSpins | 3× stake | Each spin during this mode has a 5× higher chance of triggering a bonus advancement. |
| Bloody Gems Free Spins | 100× stake | Direct entry into Level 3 with 10 free spins and persistent multiplier starting at ×1. |
The 100× direct buy is the higher-risk option. At €5 per spin, that is a €500 outlay for one Bloody Gems session. The Crypt failure-state risk is eliminated entirely with this buy, but the cost demands a session bankroll large enough to absorb variance within Level 3 itself.
Symbols & Payouts
The paytable in the Base Game uses eight regular symbols split into two tiers. All wins require three matching symbols on adjacent reels. Payouts are expressed as a multiplier of the total bet:
| Symbol | Tier | 3-of-a-Kind Payout |
| Skull | High | 1× bet |
| Crown | High | 0.5× bet (approx.) |
| Raven | High | 0.4× bet (approx.) |
| Chalice | High | 0.3× bet |
| Hat | Low | 0.1× bet |
| Lantern | Low | 0.1× bet |
| Shovel | Low | 0.1× bet |
| Tombstone | Low | 0.1× bet |
Base-game payouts are modest by design — the paytable is built to funnel most win weight into the cascade multiplier and the Bloody Gems bonus. The Skull is the top regular symbol at 1× for three, which on a €5 spin returns €5. Real payout potential scales with the persistent multiplier in Level 3, where even low-symbol wins at a high multiplier produce substantial returns.
RTP & Volatility of Trevor Hunter
The theoretical RTP is 96.3%, confirmed by both iGamingToday and AboutSlots. This sits above the online slot industry average of roughly 96%, meaning Trevor Hunter returns more per €100 wagered in theory than most of its peers. No operator-configurable RTP range is documented for this title. Confirm the active RTP in the game’s Info panel at your specific casino.
| Metric | Value |
| RTP | 96.3% |
| Volatility | Medium-High |
| Max Win | 15,000× stake |
| Bet Range | €0.10 – €50.00 |
Medium-high volatility means win frequency is moderate compared to a max-volatility slot, but payouts concentrate in the bonus level. Base-game wins are small — the highest regular symbol pays 1× bet for three matching — so session swings are driven by how often and how deeply the Progressive Levels are reached. Players who reach Bloody Gems regularly will see concentrated returns; sessions that stall in the Base Game or exit the Crypt without clearing all locks will produce long flat periods.
Pros & Cons
| Pros | Cons |
| 96.3% RTP — above industry average | Crypt Level failure state returns you to base game with no progression reward |
| Persistent multiplier in Bloody Gems creates compounding win potential | Base-game paytable pays a maximum of 1× bet for three Skulls — very low without multiplier |
| Grid expands from 3×3 to 3×5, growing ways from a starting minimum to 125 | Only one Book Wild per spin substitutes; additional Books are dead symbols |
| Two Bonus Buy options at different price points (3× and 100×) | 100× Bonus Buy is expensive relative to the bet range ceiling of €50 |
| Multiplier doubles every three Bloody Gem Scatters — can trigger multiple times | No carry-forward of Crypt progress after a failed Level 2 exit |
Theme & Design
Trevor Hunter is set in a graveyard that descends underground across its three levels. The Base Game takes place at ground level, with tombstone-shaped reels and skeleton dogs prowling the background. The Crypt Level moves the action below ground, with locked rows visually represented as sealed chambers. Bloody Gems Free Spins opens into the final underground resting place of Purrumpi, lit by glowing gemstones against dark earth tones.
The protagonist — Trevor the Shar Pei — wears a headlamp and drives the narrative visually. Symbol artwork spans skulls, ravens, crowns, chalices, hats, lanterns, shovels, and tombstones, all consistent with the grave-robbing adventure theme. The colour palette stays dark throughout, with Bloody Gems providing the primary colour contrast in Level 3.
Play Trevor Hunter for Free
A free demo of Trevor Hunter is available at select casino sites and slot databases. The demo version mirrors the full game’s mechanics, including all three Progressive Levels, the cascade multiplier, and the Bonus Buy options. It is an HTML5 title, so it runs in any modern browser on desktop, tablet, or mobile without any download required.
The demo is the most reliable way to understand the Level 2 failure state before committing real money. Run a session through to the Crypt Level and observe how often Silver and Gold Key Wilds appear within the 10-spin window. That frequency determines how often a natural session reaches Bloody Gems and how your bankroll planning should account for stretches that return to the Base Game without bonus payouts.
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The RTP is 96.3%, confirmed by the provider and cross-referenced across multiple databases. This is above the online slot industry average of roughly 96%. No operator-configurable RTP range is documented; confirm the active rate in the game's Info panel at your casino.
The maximum win is 15,000× the bet. It is reachable inside the Bloody Gems Free Spins (Level 3), where the persistent Global Multiplier grows with each cascade and can be doubled each time three Bloody Gem Scatters are collected.
You must complete two steps in sequence. First, light all three candles in the Base Game by landing Book Wild symbols on each of the three reels. This triggers the Crypt Level with 10 free spins. Second, unlock all silver locks (row 4) using Silver Key Wilds and all gold locks (row 5) using Gold Key Wilds within those 10 spins. If all locks are cleared, the game advances to Bloody Gems. If the 10 spins expire with locks remaining, you return to the Base Game without reaching the bonus.
No. In Bloody Gems Free Spins, the Global Multiplier is persistent — it does not reset between spins. It starts at ×1 and increases by +1 with each cascade. In the Base Game and Crypt Level, the multiplier does reset to 1 at the start of every spin.
If the 10 free spins in the Crypt Level end with any silver or gold locks still in place, play returns to the Base Game. There is no partial progression — you do not carry any advantage into the next base-game session, and you must light all three candles again to re-enter the Crypt.
There are two options. The BonusHunt FeatureSpins costs 3× your current bet and makes each spin 5× more likely to advance through the bonus trigger chain. The Bloody Gems direct entry costs 100× your bet and places you immediately in Level 3 with 10 free spins and a persistent multiplier starting at ×1.
Volatility is rated medium-high. Win frequency is moderate relative to high-volatility slots, but the majority of payout weight sits in the Bloody Gems bonus level. Base-game wins are small — the highest regular symbol pays 1× bet — so session variance is driven by how often and how successfully Level 3 is reached.
Bets range from €0.10 minimum to €50.00 maximum per spin. The 100× Bonus Buy at maximum bet costs €5,000 for one Bloody Gems session, so stake selection is material when using Bonus Buy.
The Book Wild symbol appears only in the Base Game. The first Book Wild to land on each spin substitutes for all paying symbols. Any additional Book symbols landing in the same spin are dead symbols — they do not substitute, do not participate in wins, but they do light the candle above their respective reel. All three candles must be lit to progress to the Crypt Level.
Yes. Trevor Hunter is an HTML5 title compatible with desktop, tablet, and mobile devices. No app download is required. The 3×3 starting grid scales well on smaller screens, and the game also includes Turbo and Super Turbo modes accessible via the settings menu.
Trevor Hunter was developed by Zerplaay Games and distributed via Hacksaw Gaming's OpenRGS platform. It is one of Zerplaay Games' first major slot releases. The studio previously released a crash game (Space Fart Jump) and an earlier slot (Jet Bark) before the Hacksaw partnership.
Conclusion: Who Suits Trevor Hunter
Trevor Hunter fits players who engage with cascade mechanics and multi-stage progression systems. The 96.3% RTP is a genuine advantage, and the 15,000× ceiling gives the slot meaningful upside. Medium-high volatility keeps win frequency at a level that avoids the extreme dryness of a 5/5 volatility title, while still concentrating most of the return inside the Bloody Gems bonus.
The slot is a poor fit for players who need frequent feature triggers or who prefer straightforward scatter-activated free spins. Reaching Bloody Gems requires two sequential progressions — candle lighting in the base game, then full lock clearing in the Crypt — and failing at either stage means starting over without bonus compensation. The base-game paytable pays a maximum of 1× bet for three Skulls, so sessions that stay at Level 1 are expensive relative to return. Players targeting the 100× Bonus Buy should have a bankroll that can sustain multiple Level 3 sessions, not just one, given that the persistent multiplier outcome varies significantly run to run.
Try the free demo to observe how often Silver and Gold Key Wilds appear in the Crypt Level within a 10-spin window. That frequency is the most important variable for evaluating whether natural progression to Bloody Gems fits your session expectations. When switching to real money, confirm the RTP in the in-game paytable — 96.3% is the documented figure and should be present at any compliant operator.
Filip Gromovic is a senior slots reviewer here at FreeSlots99 with over five years of experience evaluating the latest drops in the world of iGaming.
Being a slot fan himself, Filip approaches slot ratings just the way we like it – professionally, but also from a player’s standpoint.
That enables him to give his unbiased take on the slot’s features, gameplay and design, while only recommending top-tier releases to our readers.
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Having served FreeSlots99 for more than 5 years as a senior content editor and reviewer, Nashon Khamala has extensive knowledge in game slots and iGaming.
His membership in the Editorial Freelancers Association helps him deliver content that reaches both editorial excellence standards and an engaging information level.
By using his expertise in slots games combined with player-focused analysis, Nashon delivers a professional evaluation of slot features and player experiences in his reviews.
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