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Engine Luna Vault

New on Engine Oct 17

REEF RIOT

by Luna Vault

Artwork: Luna Vault

96.40%Published RTP (r01)
20x betMax win (r01)
18Game modes
v2Version
Engine’s version number for this game’s published math. A new version can change the numbers.

Game modes · v2

Each mode has its own published math.

  • Mode
    Each game defines its own modes, such as base play, ante or a bonus buy. The same name can work differently in another game.
    Published RTP
    The theoretical long-run return for this mode, as a share of what one round costs. It does not predict a single session.
    Mode cost
    The price of one round in this mode, in base bets. 100x bet means 100 times your base bet.
    Max win
    The biggest payout in this mode’s published math, in base bets. It is not a multiple of the mode cost.
    Max win chance
    How often the max win comes up per round in this mode, from the published math. Recent results don’t change it.
    Published outcomes
    How many outcomes this mode’s published math lists. Some have zero chance. This is not a count of player spins.
  • r01 base Published RTP96.40% Mode cost1x bet Max win20x bet Max win chance1 in 37.7 Published outcomes100,000
  • r02 Published RTP96.40% Mode cost1x bet Max win30x bet Max win chance1 in 63.1 Published outcomes100,000
  • r03 Published RTP96.40% Mode cost1x bet Max win45x bet Max win chance1 in 91.5 Published outcomes100,000
  • r04 Published RTP96.40% Mode cost1x bet Max win70x bet Max win chance1 in 141 Published outcomes100,000
  • r05 Published RTP96.40% Mode cost1x bet Max win100x bet Max win chance1 in 229 Published outcomes200,000
  • r06 Published RTP96.40% Mode cost1x bet Max win150x bet Max win chance1 in 397 Published outcomes100,000
  • r07 Published RTP96.40% Mode cost1x bet Max win220x bet Max win chance1 in 671 Published outcomes100,000
  • r08 Published RTP96.40% Mode cost1x bet Max win400x bet Max win chance1 in 1,754 Published outcomes100,000
  • r09 Published RTP96.40% Mode costNot checked yet Max winNot checked yet Max win chanceNot checked yet Published outcomes100,000
  • r10 Published RTP96.40% Mode costNot checked yet Max winNot checked yet Max win chanceNot checked yet Published outcomes100,000
  • r11 Published RTP96.40% Mode costNot checked yet Max winNot checked yet Max win chanceNot checked yet Published outcomes100,000
  • r12 Published RTP96.40% Mode costNot checked yet Max winNot checked yet Max win chanceNot checked yet Published outcomes100,000
  • r13 Published RTP96.40% Mode costNot checked yet Max winNot checked yet Max win chanceNot checked yet Published outcomes100,000
  • r14 Published RTP96.40% Mode costNot checked yet Max winNot checked yet Max win chanceNot checked yet Published outcomes100,000
  • r15 Published RTP96.40% Mode costNot checked yet Max winNot checked yet Max win chanceNot checked yet Published outcomes100,000
  • free_spins Published RTP96.40% Mode costNot checked yet Max winNot checked yet Max win chanceNot checked yet Published outcomes100,000
  • hold_respin Published RTP96.40% Mode costNot checked yet Max winNot checked yet Max win chanceNot checked yet Published outcomes100,000
  • sticky_spins Published RTP96.40% Mode costNot checked yet Max winNot checked yet Max win chanceNot checked yet Published outcomes100,000

Not checked yet: we fetch mode costs and max wins from Engine for selected modes, not every mode of every game.

Versions

  • v2 Current First seen Oct 17, 2026

Changes
What changed between versions since BigWinMaxxing started tracking this game. Nothing earlier is filled in.

  • Oct 17, 2026 First seen on Engine

Engine data

Official data from Engine’s public game catalogue and fairness API, checked daily. BigWinMaxxing only formats it, for example 1 in 89,000,000. New and Updated mean first seen by BigWinMaxxing.
First seen by BigWinMaxxing Oct 17, 2026. Math source ↗

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