The three middle reels are the relevant positions
In the checked rules, Starburst Wilds can appear on reels two, three and four. They substitute for the regular paying symbols. When one appears, it expands over its reel and remains there while the other reels re-spin at the same stake settings as the triggering round.
The outside reels therefore retain an important job. A held Wild in the centre helps connect ordinary symbols, but it is not a guarantee that the symbols at either edge will produce a qualifying line. A visually impressive full Wild reel can still be followed by a modest result.
A new Wild can extend the sequence
If a new Wild appears during a re-spin, it expands and holds alongside the already expanded Wilds. The published rules describe up to two further Wild arrivals and a maximum of three re-spins in the sequence. If no new Wild arrives on the relevant re-spin, the feature ends.
This is an extension rule, not an indefinitely growing free-spin counter. A player who calls every held-reel result a new bonus trigger can overstate how many separate features occurred. The paytable guide explains how to keep substitutions and additional rounds distinct.
Count line awards in the correct units
The checked rules express a paytable value in coins, multiplied by the selected bet level and then converted using the coin value. Total spin cost also depends on the number of active lines. The large figure beside a symbol is therefore not automatically a multiple of the complete spin stake.
For an illustrative ten-line setting at €1 total, each equally staked line costs €0.10. A hypothetical line award of 50 times that line stake is €5. If two different active lines qualify for €5 each, the combined award is €10. This calculation explains the unit conversion; it is not a claim that a particular Starburst symbol pays 50× in every configuration.
Re-spins and casino free spins are different
The original's feature gives additional reel resolutions after a Wild event. It does not have a separate Scatter-triggered batch of free spins. An operator can separately offer promotional spins on the game, but that promotion is not an additional mathematical feature of the original Starburst card.
Likewise, the current provider listing does not include a feature purchase for the original. A purchase advertised in a similarly named title should not be copied here. The sequel-analysis article shows why a familiar logo can accompany a different rule set.
Read the final round rather than the busiest moment
The held Wild remains visible while other reels change, which can make several resolutions look like several fresh stakes. They belong to the feature attached to the original paid round. Add the eligible awards, then compare the complete result with that round's cost.
The session journal guide is useful when comparing a short ordinary spin with a longer re-spin sequence. The number of animations is not a measure of either turnover or net profit.