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Feature · Free spins

Slots with free spins: how the bonus round works

This page is about the free spins round inside a slot, the bonus that scatters trigger. For free spins that a casino gives you as a promotion, see the free spins bonus page.

Free spins bonus offers
By Aaron Mitchell Updated 6 Oct 2026

Short answer

How do free spins on a slot work?

Three or more scatter symbols usually award a set of spins at your current stake. Something improves during them, such as a multiplier, sticky wilds or an expanding symbol, which is why a large share of a slot's biggest wins land in free spins.

The slots we list Computed from the slots we list

Free spins slots in figures

Slots listed
263
All slots: 2,090
Median RTP
96.03%
All slots: 96.01%
Middle half of RTPs
95.76%–96.47%
All slots: 95.50%–96.50%
With a published RTP
261 (99%)
All slots: 42%

Slots per RTP band

Under 94% 4%
94–95.99% 26%
96–96.49% 46%
96.5% and up 23%

All slots

Volatility mix (243 rated slots)

Low 9%
Medium 48%
High 40%
Very high 4%
Extreme 0%

Most common features: Free Spins (263) · Wild Symbols (219) · Scatter Symbols (204) · Multipliers (178) · Cascading Reels (1) · Hold and Win (1)

Free spins is one of the most common feature tags on this site. Many slots that have the round are not tagged yet, so treat the count as a floor.

Computed from the slots we list. RTP is each slot's listed figure for its standard version; volatility counts only ratings on a five-step scale from studios whose ratings vary.

Slots

Slots with a free spins round

All 263 slots, A–Z

How it works

The parts of a free spins round

Trigger

Usually three or more scatters anywhere on the reels. The paytable gives the exact number.

Retrigger

Landing scatters again during the round adds more spins on many slots.

Enhancement

Multipliers, extra wilds, expanding symbols or collect features make spins in the round worth more than base spins.

What it means: The rarer the trigger, the bigger the round has to pay, and the higher the volatility.

Cost Computed from the slots we list

What these slots cost per spin

Expected cost = bet × spins × (1 − RTP), at the median RTP of these slots, 96.03%.

Bet per spin 100 spins 1,000 spins 1 hour (600 spins) vs median 96.01%
KSh 10 KSh 40 KSh 397 KSh 238 −KSh 2
KSh 20 KSh 79 KSh 794 KSh 476 −KSh 4
KSh 50 KSh 198 KSh 1,985 KSh 1,191 −KSh 10
KSh 100 KSh 397 KSh 3,970 KSh 2,382 −KSh 20

Picks

Free spins rounds worth learning

Multipliers

Gates of Olympus

Random multipliers add up across each tumble chain in free spins.

Gates of Olympus →

Collect

Big Bass Bonanza

Fisherman wilds collect the cash values on fish; collected wilds retrigger and raise a multiplier.

Big Bass Bonanza →

Expanding symbol

Book of Dead

Ten free spins with one symbol that expands over whole reels.

Book of Dead →

Slot sites Live ranking

Slot sites for Kenyan players

Live ranking for Kenyan players. The ticks show whether a casino lists M-Pesa and Airtel Money today. None of the casinos we rank lists a Kenyan GRA licence, so check the operator's licence and terms before you deposit.

  1. 1
    BC.GAME KSh 3,000,000 + 1 free spin
    M-Pesa
    –
    Airtel Money
    –
    Cards
    ✓
    18+ · T&Cs Apply · Play Responsibly
  2. 2
    1xBet KSh 190,000 + 150 free spins
    M-Pesa
    ✓
    Airtel Money
    ✓
    Cards
    –
    1xBet review 18+ · T&Cs Apply · Play Responsibly
  3. 3
    GoldPari KSh 70,000 + 150 free spins
    M-Pesa
    –
    Airtel Money
    –
    Cards
    ✓
    18+ · T&Cs Apply · Play Responsibly
  4. 4
    22BET KSh 40,000
    M-Pesa
    ✓
    Airtel Money
    ✓
    Cards
    –
    22BET review 18+ · T&Cs Apply · Play Responsibly
  5. 5
    Captainsbet 30 free spins
    M-Pesa
    ✓
    Airtel Money
    ✓
    Cards
    ✓
    Captainsbet review 18+ · T&Cs Apply · Play Responsibly
  6. 6
    Betum KSh 25,000
    M-Pesa
    ✓
    Airtel Money
    –
    Cards
    ✓
    Betum review 18+ · T&Cs Apply · Play Responsibly
  7. 7
    Betwinner KSh 200,000 + 150 free spins
    M-Pesa
    ✓
    Airtel Money
    ✓
    Cards
    –
    Betwinner review 18+ · T&Cs Apply · Play Responsibly
  8. 8
    AvaBet KSh 190,000 + 300 free spins
    M-Pesa
    ✓
    Airtel Money
    –
    Cards
    ✓
    AvaBet review 18+ · T&Cs Apply · Play Responsibly
  9. 9
    888STARZ KSh 213,000 + 150 free spins
    M-Pesa
    ✓
    Airtel Money
    ✓
    Cards
    –
    888STARZ review 18+ · T&Cs Apply · Play Responsibly
  10. 10
    Melbet KSh 200,000 + 180 free spins
    M-Pesa
    –
    Airtel Money
    –
    Cards
    –
    Melbet review 18+ · T&Cs Apply · Play Responsibly

Payment ticks come from each casino's live payment list; a dash means it is not listed, not that it is missing.

FAQ

Do free spins from the slot cost anything?

No. Spins in the round play at the stake that triggered it, at no extra cost. Buying the round with a bonus buy is the exception.

How often do free spins trigger?

It differs by slot, and few studios publish the figure. High-volatility slots trigger the round less often and pay more when it comes.

Are these the same as casino free spins?

No. Casino free spins are a promotion with wagering rules. See free spins bonuses for how to value them.

18+

Responsible gambling

Play only with money you can afford to lose

Slots are for adults aged 18 and over. Decide your budget in shillings before you open a game, keep sessions short and never top up to win back a loss. Every cost on this page is an average over many spins: a single session can end well above or well below it.

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