{
  "game": "roulette",
  "displayName": "Roulette",
  "rtpPercent": 99.0,
  "rtpE8": 99000000,
  "engine": "uint32",
  "biasClass": "modulo",
  "params": [
    {
      "name": "bets",
      "desc": "chips: {bet,number?,stake_minor}"
    },
    {
      "name": "bet",
      "desc": "single bet (alt)"
    },
    {
      "name": "number",
      "desc": "straight number (alt)"
    }
  ],
  "pockets": 37,
  "reds": [
    1,
    3,
    5,
    7,
    9,
    12,
    14,
    16,
    18,
    19,
    21,
    23,
    25,
    27,
    30,
    32,
    34,
    36
  ],
  "winningSets": {
    "straight": null,
    "red": [
      1,
      3,
      5,
      7,
      9,
      12,
      14,
      16,
      18,
      19,
      21,
      23,
      25,
      27,
      30,
      32,
      34,
      36
    ],
    "black": [
      2,
      4,
      6,
      8,
      10,
      11,
      13,
      15,
      17,
      20,
      22,
      24,
      26,
      28,
      29,
      31,
      33,
      35
    ],
    "odd": [
      1,
      3,
      5,
      7,
      9,
      11,
      13,
      15,
      17,
      19,
      21,
      23,
      25,
      27,
      29,
      31,
      33,
      35
    ],
    "even": [
      2,
      4,
      6,
      8,
      10,
      12,
      14,
      16,
      18,
      20,
      22,
      24,
      26,
      28,
      30,
      32,
      34,
      36
    ],
    "low": [
      1,
      2,
      3,
      4,
      5,
      6,
      7,
      8,
      9,
      10,
      11,
      12,
      13,
      14,
      15,
      16,
      17,
      18
    ],
    "high": [
      19,
      20,
      21,
      22,
      23,
      24,
      25,
      26,
      27,
      28,
      29,
      30,
      31,
      32,
      33,
      34,
      35,
      36
    ],
    "dozen1": [
      1,
      2,
      3,
      4,
      5,
      6,
      7,
      8,
      9,
      10,
      11,
      12
    ],
    "dozen2": [
      13,
      14,
      15,
      16,
      17,
      18,
      19,
      20,
      21,
      22,
      23,
      24
    ],
    "dozen3": [
      25,
      26,
      27,
      28,
      29,
      30,
      31,
      32,
      33,
      34,
      35,
      36
    ],
    "col1": [
      1,
      4,
      7,
      10,
      13,
      16,
      19,
      22,
      25,
      28,
      31,
      34
    ],
    "col2": [
      2,
      5,
      8,
      11,
      14,
      17,
      20,
      23,
      26,
      29,
      32,
      35
    ],
    "col3": [
      3,
      6,
      9,
      12,
      15,
      18,
      21,
      24,
      27,
      30,
      33,
      36
    ]
  },
  "note": "pocket = u mod 37. Each bet's multiplier = floor(37·rtp / |winning pockets|); straight = {number}. Felt bets settle per stake_minor against the one pocket."
}