Keep the Change Slot Demo by Hollow Coin Studios
Written by Secod on 21-10-2026
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Keep the Change by Hollow Coin Studios Slot Overview
Keep the Change by Hollow Coin Studios turns a back-room mint into a colourful cartoon workshop, framed in purple and gold. Its anywhere wins and tumbles share ground with Candy Blitz, but here stamps fill empty coins with cash values or multipliers.
Hollow Coins gain a temporary Wild role when stamped, while further stamps double their gold values. During free spins, coins lock in place and stamps drive bonus upgrades, adding depth to this high-volatility slot. Explore the mechanics with the free demo on BonusTiime, without an account or deposit.

Keep the Change Slot Specifications
Keep the Change uses a 5×4 grid with no paylines: 6 or more matching symbols anywhere on the board pay. The house edge sits at 3.50%, which keeps the maths clear for online slot gameplay.
RTP (Return to Player)
96.50% RTP gives Keep the Change a solid return profile. The house edge sits at 3.50%.
Volatility
High volatility means bigger swings and longer gaps between notable hits, so bankroll control matters.
Max Win
20,000x the bet is the max win in every mode.
Keep the Change Slot Features

Keep the Change bundles wins anywhere, stamps, Hollow Coins, Wild Coins, and the round multiplier into a compact system where symbols collect, coins fill, and every spin can change the board.
How the Mint Works
Keep the Change uses a 5×4 board where 6 or more of the same symbol anywhere create a win. Winning symbols collect, the board tumbles, and new symbols drop in, so one spin can keep building extra results.
Stamps fill every Hollow Coin on the board. The first stamp fills a coin, while a second stamp in the same spin doubles its gold value. A stamped coin also becomes a Wild once per spin, which adds another layer to the board state.
Coin Fills
Coin Fills explains how Hollow Coins turn into part of the win calculation. Gold Coins pay from 0.2 to 1,000 times your bet, while Blue Coins use x2, x3, x5, and x10 values that multiply the gold total after they add together.
A coin’s first stamp opens its Wild chance for that spin. The coin counts as a Wild at the next win check, joining only symbols with at least 3 of their own on the board; used or not, that chance ends there. Tumbles do not reopen the tab, and next spin starts fresh.
The Night Shift
The Night Shift covers the bonus ladder and free-spin progression. 3 Scatters start Night Run, 4 Scatters start Full Press, and 5 Scatters start Inside Job. Coins lock for the round, and stamps raise the multiplier for the next spin.
Night Run starts at x1 with 8 free spins and 0 locked coins. Full Press starts at x2 with 12 free spins and 4 locked coins. Inside Job starts at x3 with 15 free spins and 5 locked coins, while stamped spins add extra multiplier steps.
Press Charge
Press Charge is the built-in safety net for Inside Job. After 3 spins in a row without any stamp, the next spin’s first board has at least one stamp. Any stamp resets the gauge, so the system keeps pressure on the streak.
The charge stays locked in Night Run and Full Press, then unlocks when Inside Job begins. If the round has no spins left, no stamp is owed. A resumed Inside Job restores its existing charge, which keeps the feature consistent.
Bonus Buy
This feature lets players buy bonus access or boost activation chances.
- Boost: x2 the bet per spin, until switched off; free spins trigger about 3.3 times as often.
- Night Run: x100 the bet; starts 8 free spins immediately.
- Full Press: x400 the bet; starts 12 free spins immediately.

Where to Play Keep the Change by Hollow Coin Studios
Keep the Change is a Stake exclusive and can only be played on Stake.com through the Stake Engine: Stake is currently the only casino offering Hollow Coin Studios content for this title.
Only on StakeStake: play Keep the Change with €30 free for a €20 deposit
8.9/10 BonusTiime score
- BonusTiime exclusive€30 free for a €20 deposit
- Wageringx1 on the €30
- Min deposit€20
- AvailabilityStake only
- Game studios672
Keep the Change Slot Review
Keep the Change uses a purple and gold heist workshop look that gives the slot a clear identity from the first spin. The coin mint setting, stamped Hollow Coins, and cartoon industrial panels all support the theme instead of sitting on top of it. The style is busy, but it stays readable.
The real hook is the anywhere wins system, where 6 or more matching symbols collect and tumble, then stamped coins add value on top. That creates more texture than a standard cluster slot, especially with Wild Coins and the round multiplier in play. The high volatility fits the 20,000x ceiling.
Keep the Change suits players who want a rule set with clear progression rather than a simple base game loop. The bonus ladder from Night Run to Inside Job gives it a proper structure, and the 96.50% RTP helps the package. The best fit is for players who enjoy layered mechanics and are comfortable with swings.
Keep the Change Slot FAQ
How Does The Bonus Trigger In Keep the Change?
Keep the Change starts its bonuses with Scatters. 3 Scatters trigger Night Run, 4 Scatters trigger Full Press, and 5 Scatters trigger Inside Job. The game also lets you buy Night Run or Full Press from the buy menu, while Inside Job stays locked behind play only.
What Do The Buy Options Cost And Give?
The buy menu gives three options. Boost costs 2x the bet and raises free spin frequency. Night Run costs 100x the bet and starts 8 free spins. Full Press costs 400x the bet and starts 12 free spins with 4 coins locked and a multiplier starting at x2.
What Is The Max Win In Keep the Change?
The max win is 20,000x the bet. That cap applies in every mode, including the base game and free spins. The rules state it clearly on the game guide, so the ceiling stays the same no matter how you enter the bonus flow.
Is There A Free Demo For Keep the Change?
Yes, BonusTiime offers a free demo of Keep the Change on this page. You can play it without a deposit or account, which makes it easy to test the online slot gameplay and the bonus structure before you move to real money play elsewhere.
How Does The Signature Coin Mechanic Work?
Keep the Change uses Hollow Coins, stamps, gold values, and blue multipliers as its signature mechanic. Each stamp fills every coin on the board, and a second stamp in the same spin doubles gold. A stamped coin also becomes a Wild once per spin, adding extra win potential.

Before specialising in SEO and editorial strategy, Secod spent thousands of hours streaming and testing slot games extensively. This high-volume gameplay experience allows him to analyse volatility patterns, bonus frequency, feature depth and provider mechanics with accuracy. Every slot review he produces reflects genuine testing experience rather than theoretical summaries.
Quick Infos
- RTP96.5%
- VolatilityHigh
- Max Win20,000x
- ProviderHollow Coin Studios
- Min / Max Bet€0.10 – €1,000
- Grid5×4
- PaylinesCluster Pays
- House Edge3.5%
- Release Date21-10-2026
- Free SpinsYes
- AutoplayYes
- Gamble FeatureNo
- Available on MobileYes
- Bonus BuyYes
- FeaturesCascading Reels, Scatter Symbol, Wild Symbol, Multiplier, Symbol Collection, Bonus Buy, High Volatility
- ThemesCrime, Money
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