Slot file
Starburst Slot Review: Wilds, Respins and Free Spins Offers
A ten-line NetEnt classic with one trick, the expanding wild respin, and a second life as the game most free spins offers are tied to. Read the offer terms before the reels.
By Conor FurlongChecked 18+
18+ only. Gambling can become a problem. Set a limit before you start. Help and support

The Starburst slot is a NetEnt game of five reels, three rows and ten paylines, and its only feature is an expanding wild that holds and triggers a respin. There is no free spins round inside the game and no bonus buy, which is precisely why casinos like to attach free spins offers to it.
It is an old design by online standards, and a plain one. Most searches for it are really about free spins offers, so those get their own section below.
How the Starburst slot game plays
Paylines pay both ways: three or more matching symbols count from the left-hand reel or from the right-hand reel, so a line can be won in two directions. The symbols are coloured gems plus a bar and a lucky seven, which sit at the top of the paytable.
The Starburst wild appears only on reels two, three and four. When one lands it expands to cover its whole reel, stays put and earns a free respin. Another wild on the respin does the same, and the sequence can run to three respins if all three middle reels end up covered. That is the entire feature set. No multipliers, no pick-a-box, no progressive ladder.
What that means at the table
Without a bonus round, nothing in the game turns a quiet session around in one go. The biggest returns come from wilds lining up with the high-paying symbols. Anyone who finds a slot machine dull without a feature trigger to chase will find Starburst dull; anyone who wants a slot they can understand in thirty seconds will not.
Starburst RTP and the info panel
We do not print an RTP figure for this game. Return to player is set by the provider, some titles are supplied in more than one RTP setting, and the number that applies is the one in the info or help panel of the casino you are actually using. Open that panel first. It shows the RTP, the stake range and the paytable for that copy of the game.
An RTP is a long-run average across an enormous number of spins. It tells you nothing about tonight: 100 spins at 20c cost EUR 20 in stakes, and the return on those 100 spins can be anything from nothing to a multiple of it.
Starburst free spins and no deposit offers
Offers of 25, 50 or 100 free spins on Starburst, sometimes with no deposit, come and go. Three lines of the terms decide what they are worth:
- Value per spin. Fifty spins at 10c each are 5 euro of play, not fifty chances at a big win.
- Wagering on winnings. Spin winnings are often paid as bonus money that must be staked a set number of times before it can be withdrawn.
- Cash-out cap. No-deposit offers usually limit what can be taken out. A low cap makes the offer a trial run, nothing more.
Our free spins guide takes the terms apart in more detail, and the no-deposit free spins page deals with caps and verification. One more point for Irish readers: the Gambling Regulation Act 2024 provides for restrictions on inducements such as bonuses, but those sections were not yet in force in October 2026. Expect offers to change when they are.
Starburst demo and free play
A demo version runs on play credits, either on the provider's site or in a casino's free play mode. It is worth a few minutes to see the respin work. The credits are not money, cannot be withdrawn, and a lucky run in demo mode says nothing about the next session with a real balance.
Finding Starburst slot sites in Ireland
No online casino serving Ireland holds an Irish gaming licence, because none has been issued: the Gambling Regulatory Authority of Ireland expects to begin licensing gaming in early 2027. Casinos offering the Starburst slot to Irish players run under foreign licences, usually Malta, Great Britain or Gibraltar, and that foreign regulator is where a complaint ends up. The casino rankings list only sites whose foreign licence we could identify, and how we rate explains the form figures.
Strictly 18+. Decide on a deposit limit before the first spin rather than after the tenth; tools and support contacts are on the safer gambling page.
Readers' questions
- Does Starburst have a bonus buy?
- No. Starburst has no buy feature and no free spins round. The expanding wild with up to three respins is the only feature in the game.
- Where do I find the Starburst RTP?
- In the info or help panel of the casino running the game. The provider sets the figure and a casino may run a particular version, so check there rather than relying on a number quoted elsewhere.
- Can Starburst free spins win real money?
- Yes, but winnings from free spins usually carry wagering requirements and, on no-deposit offers, a cap on what can be withdrawn. Read both before accepting.
