Ideas for the game

The kingdom
An idea for the game is a world like a medieval world that have a king that want you to make some missions for him for example save a princess,capture some outsider and in the last mission Defeat the dragon and the dragon gave you wings

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Another idea  is rock monster in the mine  you find rock monters that you battle and win gems and power rocks

Another idea is properties competition that you gain gems if you have the best