Free Spins Explained — What They Are and How They Work

What Are Free Spins?

Free spins let you spin a slot's reels without using your own real-money balance for that spin. The outcome — win or lose — plays out exactly like a paid spin, but the cost of the spin itself is covered either by the game's bonus feature or by a promotional offer from the casino.

They are one of the most common features in online pokies, and almost every modern slot includes some form of free spin mechanic either as an in-game bonus or as part of casino promotions.

In-Game Free Spins vs Bonus Free Spins

Understanding the difference is important because it affects whether your winnings are immediately cashable.

In-game free spins are the cleaner deal. When three scatter symbols land and the game awards 10 free spins, any winnings from those spins are added straight to your real balance — no hoops to jump through. Promotional free spins come with strings attached, which we cover in the wagering section below.

How In-Game Free Spins Are Triggered

The most common trigger is landing a set number of scatter symbols — special symbols that pay regardless of their position on the reels. Most slots require three or more scatters to appear simultaneously on a single spin.

Other trigger methods include:

• Bonus symbols — dedicated bonus icons that unlock a separate feature round
• Meter fills — some slots accumulate a progress meter across spins; when it fills, free spins activate
• Buy feature — available on select slots, this lets you pay a fixed multiple of your stake to enter the free spins round directly (not available in all regions)
• Random triggers — a small number of slots can award free spins randomly on any base game spin

During free spins, most slots apply enhanced mechanics — expanded wilds, multipliers, locked reels or extra scatter opportunities — making the free spins round the highest-value part of the game.

Wagering Requirements on Promotional Free Spins

When a casino offers free spins as part of a promotion, the winnings you generate are almost always subject to a wagering requirement (also called a playthrough requirement). This means you must bet the winnings a set number of times before they can be withdrawn.

For example: if you win $10 from free spins and the wagering requirement is 30x, you need to wager $300 total before that $10 becomes withdrawable cash.

Other conditions commonly attached to promotional free spins:

• Game restrictions — spins may only be valid on specific slots
• Spin value cap — the value per free spin is fixed (e.g. $0.10 per spin regardless of your usual stake)
• Win cap — maximum amount you can withdraw from free spin winnings
• Expiry — spins and winnings must be used within a set timeframe

How Much Are Free Spins Actually Worth?

The raw value of a free spin depends on two things: the spin value (how much each spin is worth) and the RTP of the slot it's played on.

If a casino offers 50 free spins at $0.10 per spin on a slot with 96% RTP, the expected return is:

That's the statistical expectation — actual results will vary because variance (volatility) affects individual sessions. High-volatility slots can produce much higher wins from free spins, but they can also return nothing at all.

After applying a 30x wagering requirement to $4.80, you'd need to wager $144 before withdrawing — which means the real-world value is lower still once you account for the house edge during the playthrough.

Getting the Most From Free Spins

• Check the spin value — promotional free spins often have a fixed low value per spin. Know what you're getting before you claim.
• Read the wagering terms — a high wagering requirement can make a generous-sounding offer less valuable in practice.
• Note the expiry — unused spins or unwagered winnings that expire are lost. Use them within the timeframe.
• Play the right game — if spins are locked to one title, check its RTP and volatility first. A low-RTP slot makes the offer less favourable.
• Track your progress — most casino dashboards show your wagering progress. Keep an eye on it so winnings don't expire before you complete the requirement.

Free Spins FAQ