Joker Gems

Published Feb 24, 2026 Updated Feb 24, 2026

Game Provider

ELK studios

Release date

2018-09-04

Type

Slots

RTP

96.3%

Volatility

Medium-high volatility

Max Win

120000

Min Bet

0.2

Max Bet

100.0

Reels

Bonus features

RTP range, Cluster payouts, Respins, Random bonus symbols, Betting strategy

Joker Gems Slot Review

Joker Gems is an ELK Studios 5×5 cluster-style slot with respins and random bonus symbols. It suits players who want a gem-and-joker theme, medium-high volatility, and a strategy-focused ELK format with cluster pays.

The game features bets up to €100 and a 4 September 2018 release date.

Joker Gems key information

Provider	ELK Studios
Release date	4 September 2018
RTP	96.3%
Volatility	Medium-High
Max win	120,000×
Reels / layout	5 columns / 5 rows grid
Paylines / ways	Not specified (cluster-pays format listed in source)
Min bet	€0.20
Max bet	€100
Theme	Jokers, gems, crystals, and bright cosmic-style visuals
Bonus buy	Not specified (check in-game menu)

Missing field note

Joker Gems is a 5×5 cluster-pays game. This review lists that field as Not specified and uses the cluster format as the main gameplay reference.

How Joker Gems works in regular play

Joker Gems appears to be a 5×5 cluster-pays ELK slot rather than a traditional payline game. That changes the session feel: cluster formation, respins, and random bonus symbols matter more than line-by-line symbol alignment.

Spin the 5×5 grid and form winning clusters (cluster pays listed in source data).
Respins can extend action after qualifying outcomes.
Random bonus symbols can add volatility spikes and feature momentum.
The listed bet-strategy element suggests version-specific stake/feature behavior, so check the paytable menu.

Main features that define Joker Gems

Cluster Pays: core payout system instead of fixed paylines.
Respins: extends action after favorable results.
Random bonus symbols: feature injections that can change the payout rhythm.
Bet strategy note: source lists a strategy/bet-related feature element, likely version-specific wording.

Who will enjoy Joker Gems most

Players who prefer cluster-based gameplay over classic paylines.
Fans of bright gem/joker visuals with a fast ELK-style session pace.
Players looking for medium-high volatility and random feature injections.
Less suitable for players who want a transparent fixed-payline structure in every session.

Bonus structure and payout profile

Joker Gems looks more format-driven than theme-driven: cluster pays, respins, and random bonus symbols are the core identity. The max win is 120,000×.

With medium-high volatility, sessions can still swing sharply if random bonus symbols do not chain into stronger respin sequences.

Bankroll warning

Cluster slots can feel faster than line slots, which may lead to quicker bankroll spend. Set a session limit before starting and avoid chasing random bonus-symbol sequences.

Similar slots worth comparing

Joker Gems is a useful comparison for players choosing between ELK cluster-style formats and older line-based ELK releases. You can browse more ELK titles on ELK Studios and check New Games for newer alternatives.

Slot	Why compare it	Best for
Cluster Kingdom	Another ELK cluster-oriented release with a newer feature stack and upgrade mechanics.	Players comparing older vs newer ELK cluster experiences.
SQUEEZE	Modern ELK feature-heavy slot with stacked symbols and upgrades, useful for pacing/volatility comparison even with a different exact payout structure.	Players deciding between older cluster-style and newer ELK feature pacing.

How we reviewed Joker Gems

We compared feature clarity, volatility fit, and session usability in a practical test-first way, then added Responsible Gambling guidance so the review stays useful rather than promotional.