Editorial note: this is an independent, general guide for information only. Game availability, features and RTP can vary between operators and game versions, so always check the in-game information panel before you spin. Slots are games of chance — nothing here is a prediction of results, and no strategy changes the odds.

Win both ways slots explained

Most slots read in one direction — winning combinations must start from the leftmost reel. A win-both-ways slot reads its lines twice, left-to-right and right-to-left, and the most famous game ever to do it is also one of the most famous games full stop: Starburst. The format’s scarcity is its own evidence: both-ways evaluation never became a standard despite Starburst’s colossal success, because the rebalanced maths suits only games built deliberately for gentleness — a reminder that in slot design, even popular ideas have natural habitats.

How both-ways evaluation works

On a both-ways game, every payline is checked from each end: three matching symbols running from reel five inward pay exactly as the same run from reel one. Starburst’s ten lines therefore behave as twenty evaluations per spin, and combinations ending at either edge of the board stay live — which is precisely why the format feels so relentlessly busy.

What the doubled directions change

The honest answer: texture, not generosity. The maths is rebalanced for the doubled evaluations — symbol values trimmed so the certified return lands where intended — meaning both-ways games pay more often and individually less, the classic low-volatility signature. Starburst’s eternal popularity is the proof of concept: constant motion, frequent connection, gentle swings — the format is a temperament as much as a rule.

What players should know

Both-ways is a reading direction, not a bonus — a 96% both-ways game returns exactly what a 96% left-to-right game returns, distributed differently. The paytable always states the evaluation rule alongside the line diagrams, and the practical takeaway is simply recognition: when a right-edge run pays on Starburst or its XXXtreme sequel, the game is working as written, not being kind.

Frequently asked questions

What does win both ways mean?

Paylines are evaluated from both ends — matching runs starting from the rightmost reel pay exactly as those from the left.

Is Starburst a win both ways slot?

Yes — it is the format’s most famous example, its ten lines effectively giving twenty evaluations per spin.

Do both-ways slots pay more?

No — the maths is rebalanced for the doubled evaluations: wins arrive more often and individually smaller at the same certified return.

How do I know if a slot pays both ways?

The paytable states the evaluation rule alongside its payline diagrams.

Related guides

Starburst slot review

Starburst XXXtreme slot review

Ways to win vs paylines


18+ only. Gambling should be fun, never a way to make money. Please play responsibly and only with money you can afford to lose. If gambling is affecting you or someone you know, free, confidential support is available 24/7 from the National Gambling Helpline on 0808 8020 133, run by GamCare. You can also visit BeGambleAware (begambleaware.org) or self-exclude from UK-licensed online operators through GAMSTOP (gamstop.co.uk).