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Engine JP

New on Engine Nov 3

Grim Bargain

by JP

Artwork: JP

96.70%Published RTP (base)
66,666x betMax win (base)
19Game modes
v1Version
Engine’s version number for this game’s published math. A new version can change the numbers.

Game modes · v1

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_low Published RTP96.70% Mode costNot checked yet Max winNot checked yet Max win chanceNot checked yet Published outcomes368,044
  • base base Published RTP96.70% Mode cost1x bet Max win66,666x bet Max win chance1 in 142,294,470 Published outcomes368,044
  • base_high Published RTP96.70% Mode costNot checked yet Max winNot checked yet Max win chanceNot checked yet Published outcomes368,044
  • ante_low Published RTP96.70% Mode cost3x bet Max win66,666x bet Max win chance1 in 109,891,801 Published outcomes199,033
  • ante Published RTP96.70% Mode cost3x bet Max win66,666x bet Max win chance1 in 47,988,785 Published outcomes199,033
  • ante_high Published RTP96.70% Mode cost3x bet Max win66,666x bet Max win chance1 in 27,762,163 Published outcomes199,033
  • super_ante_low Published RTP96.70% Mode costNot checked yet Max winNot checked yet Max win chanceNot checked yet Published outcomes159,055
  • super_ante Published RTP96.70% Mode cost6x bet Max win66,666x bet Max win chance1 in 7,117,272 Published outcomes159,055
  • super_ante_high Published RTP96.70% Mode costNot checked yet Max winNot checked yet Max win chanceNot checked yet Published outcomes159,055
  • epic_ante_low Published RTP96.70% Mode cost20x bet Max win66,666x bet Max win chance1 in 1,121,640 Published outcomes120,033
  • epic_ante Published RTP96.70% Mode costNot checked yet Max winNot checked yet Max win chanceNot checked yet Published outcomes120,033
  • epic_ante_high Published RTP96.70% Mode costNot checked yet Max winNot checked yet Max win chanceNot checked yet Published outcomes120,033
  • super_low Published RTP96.70% Mode cost300x bet Max win66,666x bet Max win chance1 in 166,667 Published outcomes50,033
  • super Published RTP96.70% Mode cost300x bet Max win66,666x bet Max win chance1 in 100,000 Published outcomes50,033
  • super_high Published RTP96.70% Mode costNot checked yet Max winNot checked yet Max win chanceNot checked yet Published outcomes50,033
  • mystery_low Published RTP96.70% Mode costNot checked yet Max winNot checked yet Max win chanceNot checked yet Published outcomes60,055
  • mystery Published RTP96.70% Mode costNot checked yet Max winNot checked yet Max win chanceNot checked yet Published outcomes60,055
  • mystery_high Published RTP96.70% Mode costNot checked yet Max winNot checked yet Max win chanceNot checked yet Published outcomes60,055
  • door Published RTP96.70% Mode costNot checked yet Max winNot checked yet Max win chanceNot checked yet Published outcomes150,044

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

Versions

  • v1 Current First seen Nov 3, 2026

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

  • Nov 3, 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 Nov 3, 2026. Math source ↗

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