Crystal Gems, released in December 2013, is a gemstone mining-themed video slot made by 2 BY 2 Gaming but distributed by Microgaming. The Alchemist’s Gold (2018; 2 By 2 Gaming) is a relatable game. Rival games include Gem Rocks (February 2018) from Yggdrasil Gaming, Great Gems (December 2018) from Red Tiger Gaming, and Diamond Times (August 2018) from Concept Gaming.

The mine cart lacks regular payouts. The “Wild” gemstones require two, three, four, or five winning combinations. The other eleven symbols require three, four, or five winning combinations.

Crystal Gems Game Characteristics
Crystal Gems has a 5X3 grid, 25 fixed pay lines, up to 20 chips per line, up to 12 free spins, up to 25 automated games, a randomly awarded bonus round, four win multipliers, and thirteen symbols. The regular payouts are between X5 and X2000. The two special symbols: an orange mine cart, loaded with gemstones, that offers the free spins; and a selection of five differently colored “wild” gemstones that act as the substitute for the ordinary symbols.

The eleven ordinary symbols: a white diamond; an emerald jade; a pear ruby; a blue gem; a beryl gem; a red A; a blue K; a yellow Q; a green J; a purple 10; and a pink 9.

The chip sizes are: $0.01, $0.02, $0.05, and $0.10. The minimum bet size is $0.25 and the maximum bet is $50.00. The chips per line options care between 1 and 20. The following is a comprehensive list of the total bets. One chip per line: $0.25, $0.50, $1.25, and $2.50. Two chips per line: $0.50, $1.00, $2.50, and $5.00. Three chips per line: $0.75, $1.50, $3.75, and $7.50. Four chips per line: $1.00, $2.00, $5.00, and $10.00.

Five chips per line: $1.25, $2.50, $6.25, and $12.50. Six chips per line: $1.50, $3.00, $7.50, and $15.00. Seven chips per line: $1.75, $3.50, $8.75, and $17.50. Eight chips per line: $2.00, $4.00, $10.00, and $20.00. Nine chips per line: $2.25, $4.50, $11.25, and $22.50. Ten chips per line: $2.50, $5.00, $12.50, and $25.00.

Eleven chips per line: $2.75, $5.50, $13.75, and $27.50. Twelve chips per line: $3.00, $6.00, $15.00, and $30.00. Thirteen chips per line: $3.25, $6.50, $16.25, and $32.50. Fourteen chips per line: $3.50, $7.00, $17.50, and $35.00. Fifteen chips per line: $3.75, $17.50, $18.75, and $37.50. Sixteen chips per line: $4.00, $8.00, $20.00, and $40.00. Seventeen chips per line: $4.25, $8.50, $21.25, and $42.50. Eighteen chips per line: $4.50, $9.00, $22.50, and $45.00. Nineteen chips per line: $4.75, $9.50, $23.75, and $47.50. Twenty chips per line: $5.00, $10.00, $25.00, and $50.00.

Two, three, four, and five “Wild” gems pays X5, X25, X90, and X2000. The following are the Crystal Gems payouts for three, four, and five winning combinations: the white diamond pays X20, X80, and X400; the jade pays X20, X75, and X300; either the ruby, or the blue gem, or the beryl pays X15, X40, and X200; the A, or K pays X10, X30, and X150; either the Q, or J pays X5, X30, and X100; and either 9, or 10 pays X5, X30, and X100.

Three mine carts offer eight free games, four mine carts offer ten free games, and five mine carts offer twelve free games. Any winning that includes the “Wild” gems are multiplied by 2, 3, or 4; and X5 whenever gems appear on the grid after any round. The options for the automated rounds are 5, 10, 15, 20, and 25.

The Crystal Gems software is good, with differently colored main buttons lined along the right margin. The animated 3D graphics are colorful. The sounds are magical.

Luck in Crystal Gems
The RTP rate of Crystal Gems, a game of chance, is 95.00% and the house edge is 5.00%.