Oltree is a cooperative and narrative game where each scenario, called Chronicle, offers a rich and unique setting, with its atmosphere, unique plot, friends and foes! At the start of their turn, the Ranger rolls the Adversity die to activate the personalises decks of cards representing the different aspects of the scenario. Depending on the results new Adventure cards spawn on the board, some villages fall prey to Issues, Events offer temporary rule challenges or the pages of the Chronicle turn, progressing the storyline and unveiling some new challenges.