Bonus Buy Slots

Jammin' Jars Review and Guide

by Push Gaming

RTP
96.83%
Risk level
High
Max cash prize
19,998x
Reel grid
8x8
Winning ways
Cluster pays
Launch date
18/09/2018
Jammin' Jars

The bonus buy sells the trigger, not a better return

The bonus buy costs 84x the base bet. Its printed RTP is 96.49%, under the 96.83% base game. That gap is the trade. The buy sells the trigger, not a better return. The 19998 max win still caps the feature. The price brings six Free Spins on the same 8x8 Cluster pays board. The smiling rainbow jar is not mere Neon lights decoration. Each jar is Wild and Scatter. After it helps a cluster, it walks, sticks and carries a rising multiplier. That multiplier starts at 1x and can reach 49x. Held through cascades, jars can stack the Wild Multiplier across the six spins. High volatility remains.

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Jammin' Jars prices the wait before the jars compound

The buy prices time, not a stronger reel

The only priced way in costs 84x the base bet. At a 0.40 fun stake, the dialog shows 33.60 fun. No ante bet is present. The listed max win is 19998, far above the 84x fee. The purchase opens six Free Spins. Three Jam Jar symbols can also trigger them in ordinary play. The listed RTP is 96.83% outside the buy. The Bonus Buy lists 96.49%. The consequence is direct. The player pays to skip the wait, then accepts a lower listed return.

Six spins decide whether the fee compounds

After purchase, the intro screen awards six Free Spins. During the feature, the counter runs from 1/6 to 6/6. Jam Jar wilds persist, and each jar keeps its own multiplier. The captured free-spins frames show multipliers from x2 to x6. The rules state a single jar can reach 49x. Volatility is High, so the carry can still end below the fee. Early landings matter because later spins inherit the jars.

What changes after the purchase

StateDocumented conditionNot guaranteed
Bonus Buy dialog84x base bet; RTP 96.49%Any multiplier, cluster, or win
Free Spins introSix Free Spins awardedA paying first board
Free Spins playCounter shows n / 6; jars persistRainbow Feature
End screenTotal won during Free Spins is shownRecovery of the 84x fee

The missing rainbow sharpens the bought window

The Rainbow Feature is random in the base game only. It triggers after a non-winning Collapse or Cascade. It is not available during the Free Games Feature. Giant Symbols convert covered positions. Jam Jar Symbols cannot be converted. That removes one base-game rescue path from the paid window. The bought spins therefore lean harder on early jar landings.

The sequel record tightens the trade

Jammin' Jars 2 lists a lower published return. It accepts 0.10 as its lowest bet. It has no bonus buy. Against that shared series record, this build still charges for immediate entry. That does not make the purchase cheap. It makes the fork plain. Wait for three Jam Jar symbols in base play. Or pay 84x to start the six-spin carry at 96.49%.

See the game in action

What each symbol pays

x5 / x6 / x7 / x8 / x9 / x10 / x12 / x15 / x20 / x25

  • Strawberry

    High 1.00 / 1.50 / 2.00 / 2.50 / 3.00 / 5.00 / 10.00 / 20.00 / 40.00 / 100.00
  • Orange

    High 0.50 / 0.75 / 1.25 / 2.00 / 2.50 / 3.00 / 6.25 / 10.00 / 25.00 / 62.50
  • Raspberry / Mulberry

    High 0.25 / 0.50 / 0.75 / 1.00 / 1.25 / 2.00 / 4.00 / 7.50 / 15.00 / 37.50
  • Green Apple

    Low 0.15 / 0.20 / 0.40 / 0.60 / 0.80 / 1.00 / 3.00 / 5.00 / 10.00 / 25.00
  • Plum

    Low 0.15 / 0.20 / 0.40 / 0.60 / 0.80 / 1.00 / 3.00 / 5.00 / 10.00 / 25.00
  • Blueberry

    Low 0.10 / 0.15 / 0.20 / 0.30 / 0.60 / 0.80 / 1.00 / 3.00 / 4.00 / 10.00
  • Jam Jar Symbol

    Wild — / — / — / — / — / — / — / — / — / —

Which devices does it work on

Autoplay mode
Yes

Features

  • Cluster Pays
  • Free Spins
  • Giant Symbol
  • Progressive Multiplier
  • Scatter
  • Sticky Wild
  • Symbol Transform
  • Tumble
  • Walking Wild
  • Wild
  • Wild Multiplier

How much can you bet

Starting bet
0.20
Maximum bet
100.00

Setting and visual style

Fruits
Neon lights
Festive celebration

Bonus offers

Buy bonus option
Yes

Choose a bonus buy option

  • Free Games FeatureCost 84.00x

Editor's rating

Key advantages

  • The 84x buy enters a feature where sticky walking jars build multipliers up to 49x across all six spins.
  • A 19,998.45x max win gives the bought round a ceiling far above its 84x price.
  • The buy's 96.49% RTP sits just below the 96.83% base game, so entry costs little in return.

Where it falls short

  • No ante bet exists in this build, leaving the 84x purchase as the only shortcut into free spins.
  • Six fixed free spins exclude the rainbow feature, so one quiet stretch can waste the entire buy.

Published 15/09/2026

Jammin' Jars Real-money play