Raging Rex

Raging Rex Slot Review

Raging Rex is a dinosaur-themed slot from Play'n GO released in January 2019. Built on a 6x4 grid with 4,096 ways to win, it sits in the high-volatility bracket with an RTP of 96.34% and a maximum win of 5,000x your stake. The prehistoric setting drives more than the visuals - the T-Rex at the heart of the game powers both the base game respin mechanic and two distinct free spins modes, giving it a mechanical identity that goes well beyond the usual scatter trigger and collect structure.

This review covers how the game plays, what each feature does, which free spins mode suits which player, and how it sits among other Play'n GO high-volatility titles.

Raging Rex at a Glance

• Provider: Play'n GO
• Release date: January 2019
• Reels / Rows: 6 x 4
• Ways to win: 4,096
• RTP: 96.34%
• Volatility: High (8/10)
• Max win: 5,000x stake
• Bet range: £0.20 - £100 per spin
• Bonus features: Rampage Respins, Wild Hunt Free Spins, Primal Rage Free Spins

Theme and Symbols

The game is set in a dense prehistoric jungle at dusk. The reels sit against a backdrop of ferns, volcanic rock and a sky that shifts between amber and deep blue as features activate. Play'n GO have put more visual effort in than most prehistoric-themed slots - the T-Rex wild animations are detailed, with the animal roaring and stomping as it walks across the grid during respins.

Symbol values follow the standard structure for a ways-to-win slot. Lower-value icons are playing card suits rendered in a prehistoric bone aesthetic. Higher-value symbols are dinosaurs: pterodactyls, raptors, and a stegosaurus-style creature sit above them, with the T-Rex appearing as the wild. The meteor is the scatter, and landing three or more triggers the bonus round. All symbols pay left to right from reel 1 on adjacent reels.

Rampage Respins - The Base Game Feature

The standout aspect of Raging Rex is a meaningful base game feature beyond the scatter trigger. When the T-Rex wild lands fully stacked on any of reels 2 through 6, it locks in place and becomes sticky. It then walks one reel to the left with each respin, continuing until it exits off reel 1. Starting on reel 6 gives five respins; starting on reel 5 gives four; and so on. During each respin the rest of the reels spin normally with the locked T-Rex wild in position.

This mechanic means you can hit a Rampage Respin without triggering the main bonus, delivering wins more frequently than a scatter-only structure would. Even a single stacked instance on reel 2 gives one respin with a guaranteed wild covering the entire reel - the minimum trigger is still meaningful.

Free Spins - Choosing Between Wild Hunt and Primal Rage

Three or more meteor scatters trigger the bonus round and bring up a mode selection screen. The spin count scales with scatters: three meteors gives 8 spins, four gives 15, five gives 20, and six gives 30. Scatters landing during free spins add 5 more each, with no cap on retriggers.

Before spins begin, you choose between two modes. This is not cosmetic - Wild Hunt and Primal Rage play differently and suit different risk preferences.

Wild Hunt

In Wild Hunt mode, individual T-Rex wilds appear on the reels carrying a random multiplier of x2 or x3. When multiple wilds land on the same spin, their multipliers combine multiplicatively rather than additively - two x3 wilds on the same win become x9, and the theoretical maximum from stacking them reaches x243. This is the higher-variance of the two modes. Wins can be large when multipliers align, but dry spins are more common because individual wilds are smaller targets on a 6x4 grid than stacked ones.

Primal Rage

Primal Rage keeps the stacked T-Rex wild mechanic from the base game's Rampage Respins. A full wild stack appears and walks left across the grid with each spin, staying sticky as it moves. There are no multipliers - the value comes from the guaranteed wild column passing through different grid positions over multiple spins. Wins are more regular but the ceiling is lower than Wild Hunt at its peak.

For most players the choice comes down to how much additional variance they want on top of an already high-volatility base game. Wild Hunt extends the variance; Primal Rage contains it.

How to Play

Raging Rex plays on a 6x4 grid with 4,096 ways to win - no fixed paylines. Wins form when matching symbols appear on adjacent reels starting from reel 1. The bet range runs from £0.20 to £100 per spin, and all ways are always active.

Rampage Respins trigger automatically when a stacked T-Rex lands on reels 2 through 6 - nothing to select or activate. The free spins trigger from scatter lands, with the mode choice screen appearing before spins begin. Autoplay is available with standard Play'n GO options including loss limits and single-win caps.

Mobile Performance

Play'n GO build all their slots in HTML5 with mobile as a primary target, and Raging Rex is no exception. The 6x4 grid scales cleanly to portrait orientation on a phone without losing symbol readability. The Rampage Respins walking wild animation plays smoothly at mobile frame rates on both iOS and Android. There is no quality difference from desktop and no download required.

Volatility and Who This Slot Suits

At 8/10 on Play'n GO's own volatility scale, Raging Rex is explicitly positioned as a high-variance game. The base game Rampage Respins provide more activity than a scatter-only structure, but significant wins still concentrate in the free spins feature. Sessions can go quiet between feature triggers.

The 96.34% RTP is solid for a high-volatility slot, and the 5,000x maximum is achievable without requiring an improbable sequence of events - Wild Hunt mode with strong multiplier alignment during a retrigger is a realistic path to large wins, not just a theoretical ceiling. The game rewards patience: short sessions on a tight budget are likely to end before a free spins trigger lands.

Players who enjoy Rampage Respins in the base game but want more of it at higher stakes will find Primal Rage the natural extension. Those chasing multiplier potential and willing to absorb more variance should lean toward Wild Hunt.

Similar Games Worth Trying

If Raging Rex suits your style, several other Play'n GO titles are worth looking at. Rich Wilde and the Book of Dead is the benchmark high-volatility title in the Play'n GO catalogue - expanding wilds in free spins and a 96.21% RTP. Legacy of Dead is the closest structural relative: stacked wilds, high volatility, and an expanding wild free spins mechanic that rewards patience in a similar way. Reactoonz takes a different approach with a cluster-pays grid and cascading mechanic for players who prefer continuous action. Fire Joker is a simpler 3-reel option for those who want a Play'n GO game with less feature complexity. For the best casinos where you can play Raging Rex, see our reviewed and rated options.

Verdict

Raging Rex holds up well against the prehistoric-themed slots that followed it. Rampage Respins is the standout design choice - it adds a meaningful base game feature without requiring a full scatter trigger and keeps sessions more active. The dual free spins modes give a genuine structural choice rather than a cosmetic one, and Wild Hunt mode in particular has a clear ceiling worth targeting for players who can absorb the variance.

The 6x4 grid with 4,096 ways suits the walking wild concept well, and Play'n GO's visual production is above average for the theme. Raging Rex is not for players who prefer steady returns or short, low-stake sessions, but for those targeting bonus rounds with a high-volatility tolerance, it is one of the better-built examples of the genre.

Where to Play Raging Rex

We're currently updating our casino list for Raging Rex. In the meantime, browse our full casino reviews or check out current free spins offers.

Raging Rex RTP and Variance

Raging Rex has an RTP of 96.00%, which is above average. See our highest RTP slots for the best returning games. High volatility means wins come less often but tend to be significantly larger. Explore our high volatility slots guide.

At the minimum bet of £0.20 per spin, a £10 deposit gives you 50 spins with a statistical expected return of £9.60. Read our slot betting strategy guide for tips on managing your bankroll.