   `lat` float NOT NULL,
   `lng` float NOT NULL,
   `image_path` varchar(255) COLLATE utf8_unicode_ci DEFAULT NULL,
-  `description` text COLLATE utf8_unicode_ci
+  `description` text COLLATE utf8_unicode_ci,
+  `is_start` bit(1) NOT NULL DEFAULT b'0',
+  `is_end` bit(1) NOT NULL DEFAULT b'0'
 ) ENGINE=InnoDB DEFAULT CHARSET=utf8 COLLATE=utf8_unicode_ci;
 
 -- --------------------------------------------------------

--

CREATE TABLE `assigned_riddles` (
  `game_id` int(10) UNSIGNED NOT NULL,
  `riddle_id` int(10) UNSIGNED NOT NULL,
  `group_id` int(10) UNSIGNED NOT NULL,
  `assigned_on` datetime NOT NULL,

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