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Engine ReelAway Studios

New on Engine Oct 23

Grimwick Manor

by ReelAway Studios

Artwork: ReelAway Studios

96.70%Published RTP (base)
25,000x betMax win (base)
9Game modes
v3Version
Engine’s version number for this game’s published math. A new version can change the numbers.

Game modes · v3

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.
  • base base Published RTP96.70% Mode cost1x bet Max win25,000x bet Max win chance1 in 2,682,620 Published outcomes1,000,000
  • normal Published RTP96.70% Mode cost100x bet Max win25,000x bet Max win chance1 in 145,429 Published outcomes1,000,000
  • super Published RTP96.70% Mode cost200x bet Max win25,000x bet Max win chance1 in 60,211 Published outcomes1,000,000
  • mythic Published RTP96.70% Mode cost500x bet Max win25,000x bet Max win chance1 in 7,076 Published outcomes1,000,000
  • mystery_mode Published RTP96.70% Mode cost350x bet Max win25,000x bet Max win chance1 in 8,559 Published outcomes1,000,000
  • extra_chance Published RTP96.70% Mode cost3x bet Max win25,000x bet Max win chance1 in 981,050 Published outcomes1,000,000
  • mystery_spin Published RTP96.70% Mode cost50x bet Max win25,000x bet Max win chance1 in 55,504 Published outcomes1,000,000
  • double_ew Published RTP96.70% Mode cost100x bet Max win25,000x bet Max win chance1 in 995,405 Published outcomes1,000,000
  • triple_ew Published RTP96.70% Mode costNot checked yet Max winNot checked yet Max win chanceNot checked yet Published outcomes1,000,000

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

Versions

  • v3 Current First seen Oct 23, 2026

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

  • Oct 23, 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 23, 2026. Math source ↗

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