In Civilization 7, players earn Mementos as they progress through the game, leveling up their leaders and making strides down their Foundation Path. You'll gain both your slots quite early: at Level 3 and Level 5.

As players will notice when picking a Leader before starting a Civ 7 game, each Leader has two Mementos slots. To use Mementos in Civilization 7, gamers must first unlock these slots so they can place a Memento that matches the strategy they want to go for.

The leader Attribute Tree is one of the most important - and game-changing - aspects of Civilization 7. You will progress through the attribute trees of your choosing by picking your mementos at the start of the game,