[
    {
        "name": "Quick",
        "modifier": 0.67,
        "productionCostModifier": 0.67,
        "goldCostModifier": 0.67,
        "scienceCostModifier": 0.67,
        "cultureCostModifier": 0.67,
        "faithCostModifier": 0.67,
        "improvementBuildLengthModifier": 0.67,
        "barbarianModifier": 0.67,
        "goldGiftModifier": 1.25,
        "cityStateTributeScalingInterval": 5.0,
        "goldenAgeLengthModifier": 0.80,
        "religiousPressureAdjacentCity": 9,
        "peaceDealDuration": 10,
        "dealDuration": 25,
        "startYear": -4000,
        "turns": [
            {"yearsPerTurn": 60, "untilTurn":  50},
            {"yearsPerTurn": 40, "untilTurn":  80},
            {"yearsPerTurn": 30, "untilTurn": 100},
            {"yearsPerTurn": 20, "untilTurn": 130},
            {"yearsPerTurn": 10, "untilTurn": 155},
            {"yearsPerTurn":  5, "untilTurn": 195},
            {"yearsPerTurn":  2, "untilTurn": 260},
            {"yearsPerTurn":  1, "untilTurn": 330}
        ]
    },
    {
        "name": "Standard",
        "modifier": 1.0,
        "productionCostModifier": 1.0,
        "goldCostModifier": 1.0,
        "scienceCostModifier": 1.0,
        "cultureCostModifier": 1.0,
        "faithCostModifier": 1.0,
        "improvementBuildLengthModifier": 1.0,
        "barbarianModifier": 1.0,
        "goldGiftModifier": 1.0,
        "cityStateTributeScalingInterval": 6.5,
        "goldenAgeLengthModifier": 1.0,
        "religiousPressureAdjacentCity": 6,
        "peaceDealDuration": 10,
        "dealDuration": 30,
        "startYear": -4000,
        "turns": [
            {"yearsPerTurn":  40, "untilTurn": 75},
            {"yearsPerTurn":  25, "untilTurn": 135},
            {"yearsPerTurn":  20, "untilTurn": 160},
            {"yearsPerTurn":  10, "untilTurn": 210},
            {"yearsPerTurn":   5, "untilTurn": 270},
            {"yearsPerTurn":   2, "untilTurn": 320},
            {"yearsPerTurn":   1, "untilTurn": 440},
            {"yearsPerTurn": 0.5, "untilTurn": 500}
        ]
    },
    {
        "name": "Epic",
        "modifier": 1.5,
        "productionCostModifier": 1.5,
        "goldCostModifier": 1.5,
        "scienceCostModifier": 1.5,
        "cultureCostModifier": 1.5,
        "faithCostModifier": 1.5,
        "improvementBuildLengthModifier": 1.5,
        "barbarianModifier": 1.5,
        "goldGiftModifier": 0.75,
        "cityStateTributeScalingInterval": 14.0,
        "goldenAgeLengthModifier": 1.25,
        "religiousPressureAdjacentCity": 4,
        "peaceDealDuration": 15,
        "dealDuration": 45,
        "startYear": -4000,
        "turns": [
            {"yearsPerTurn":  25, "untilTurn": 140},
            {"yearsPerTurn":  15, "untilTurn": 230},
            {"yearsPerTurn":  10, "untilTurn": 270},
            {"yearsPerTurn":   5, "untilTurn": 360},
            {"yearsPerTurn":   2, "untilTurn": 430},
            {"yearsPerTurn":   1, "untilTurn": 530},
            {"yearsPerTurn": 0.5, "untilTurn": 750}
        ]
    },
    {
        "name": "Marathon",
        "modifier": 3.0,
        "productionCostModifier": 3.0,
        "goldCostModifier": 3.0,
        "scienceCostModifier": 3.0,
        "cultureCostModifier": 3.0,
        "faithCostModifier": 3.0,
        "improvementBuildLengthModifier": 3.0,
        "barbarianModifier": 4.0,
        "goldGiftModifier": 0.67,
        "cityStateTributeScalingInterval": 32.0,
        "goldenAgeLengthModifier": 2.0,
        "religiousPressureAdjacentCity": 2,
        "peaceDealDuration": 30,
        "dealDuration": 90,
        "startYear": -4000,
        "turns": [
            {"yearsPerTurn":   15,     "untilTurn":  100},
            {"yearsPerTurn":   10,     "untilTurn":  400},
            {"yearsPerTurn":    5,     "untilTurn":  570},
            {"yearsPerTurn":    2,     "untilTurn":  771},
            {"yearsPerTurn":    1,     "untilTurn":  900},
            {"yearsPerTurn":  0.5,     "untilTurn": 1080},
            {"yearsPerTurn": 0.25,     "untilTurn": 1344},
            {"yearsPerTurn": 0.083333, "untilTurn": 1500}
        ]
    }
]