An example of using nested APL elements (Containers, Pagers) to achieve over 200 items in a relatively small payload. Use sparingly, this starts to have impact on performance of rendering.

data.json

{
  "grid": {
    "values": [
      [ 2, 2, 3, 4, 5, 6, 7, 8, 9, 10 ],
      [ 1, 2, 4, 4, 5, 6, 7, 8, 9, 10 ],
      [ 1, 1, 3, 4, 5, 6, 7, 8, 9, 10 ],
      [ 2, 2, 3, 4, 5, 6, 7, 8, 9, 10 ],
      [ 1, 2, 4, 4, 5, 6, 7, 8, 9, 10 ],
      [ 1, 1, 3, 4, 5, 6, 7, 8, 9, 10 ],
      [ 2, 2, 3, 4, 5, 6, 7, 8, 9, 10 ],
      [ 1, 2, 4, 4, 5, 6, 7, 8, 9, 10 ],
      [ 1, 1, 3, 4, 5, 6, 7, 8, 9, 10 ],
      [ 1, 1, 3, 5, 5, 6, 7, 8, 9, 10 ]
    ]
  },
  "tiles": {
    "height": "10vh",
    "width": "10vh"

  },
  "game": {
    "colors": [
      "#0000ff",
      "#ff0000",
      "#00ff00",
      "#f0000f",
      "#0f0f00"
    ]
  }

}

layout_game.json

{
  "type": "APL",
  "version": "1.0",
  "theme": "dark",
  "import": [
    {
      "name": "alexa-viewport-profiles",
      "version": "1.0.0"
    },
    {
      "name": "alexa-layouts",
      "version": "1.0.0"
    }
  ],
  "layouts": {
    "Tile": {
      "parameters": [
        {
          "name": "name",
          "type": "string"
        }
      ],


      "items": [
        {
          "type": "Frame",
          "style": "gridBackground",
          "bind": [
            {
              "name": "parentIndex",
              "value": "${index}"
            }
          ],
          "items": [
            {
              "type": "Pager",
              "width": "${payload.tiles.width}",
              "height": "${payload.tiles.height}",
              "id": "${name}",
              "data": "${payload.game.colors}",
              "items": [
                {
                  "type": "Frame",
                  "width": "${payload.tiles.width}",
                  "height": "${payload.tiles.height}",
                  "backgroundColor": "${data}",
                  "style": "tileBase",
                  "position": "absolute"
                }

              ]
            }
          ]
        }
      ]
    }
  },
  "resources": [],
  "styles": {

  },
  "mainTemplate": {
    "parameters": [
      "payload"
    ],
    "items": [
      {
        "type": "Container",
        "alignItems": "start",
        "direction": "column",
        "style": "gridBase",
        "width": "100vw",
        "height": "100vh",

        "items": [
          {
            "type": "Container",
            "width": "100vw",
            "height": "100vh",
            "data": "${payload.grid.values}",

            "items": [
              {
                "type": "Container",

                "direction": "row",
                "width": "100vw",
                "height": "${payload.tiles.height}",
                "data": "${data}",
                "bind": [
                  {
                    "name": "parentIndex",
                    "value": "${index}"
                  }
                ],
                "items": [


                  {
                    "type": "Tile",
                    "name": "${parentIndex+'.'+index}"
                  }
                ]
              }
            ]
          }

        ]
      }
    ]
  }
}