levels.json

[
    {
        "start": "Pet",
        "end": "Animal",
        "minStep": 1
    },
    {
        "start": "Game_jam",
        "end": "Ludum_Dare",
        "minStep": 1
    },
    {
        "start": "River",
        "end": "Pacific_Ocean",
        "minStep": 2
    },
    {
        "start": "Film_series",
        "end": "Harry_Potter",
        "minStep": 2
    },
    {
        "start": "Bread",
        "end": "Fluid",
        "minStep": 2
    },
    {
        "start": "Computer",
        "end": "Execution_(computing)",
        "minStep": 2
    },
    {
        "start": "Wikipedia",
        "end": "Promotion_(marketing)",
        "minStep": 2
    },
    {
        "start": "Profession",
        "end": "Skill",
        "minStep": 2
    },
    {
        "start": "Psychology",
        "end": "Action_(philosophy)",
        "minStep": 2
    },
    {
        "start": "Power_(physics)",
        "end": "Work_(thermodynamics)",
        "minStep": 2
    },
    {
        "start": "Drawing",
        "end": "Tree",
        "minStep": 3
    },
    {
        "start": "Tea",
        "end": "Greek_language",
        "minStep": 3
    },
    {
        "start": "Audience",
        "end": "Language",
        "minStep": 3
    },
    {
        "start": "Currency",
        "end": "Europe",
        "minStep": 3
    },
    {
        "start": "Ladder",
        "end": "Earth",
        "minStep": 3
    },
    {
        "start": "City",
        "end": "Natural_resource",
        "minStep": 3
    },
    {
        "start": "Championship",
        "end": "Exercise",
        "minStep": 3
    },
    {
        "start": "Freedom",
        "end": "Mind",
        "minStep": 3
    },
    {
        "start": "Storage",
        "end": "Protein",
        "minStep": 4
    },
    {
        "start": "Ear",
        "end": "Sound_intensity",
        "minStep": 4
    },
    {
        "start": "Event",
        "end": "Resource_allocation",
        "minStep": 4
    },
    {
        "start": "Web_browser",
        "end": "Development",
        "minStep": 4
    },
    {
        "start": "Disease",
        "end": "Computer_program",
        "minStep": 4
    }
]