Geo Tier has no ads and no in-app purchases. It does not require a connection to the internet. Geo Tier challenges your mastery of global geography through structured trivia on countries, their internal divisions, states, provinces, oblasts, ... and corresponding capitals. Designed for clarity and precision, each tier sharpens your grasp of administrative hierarchies across the world. Geo Tier keeps track of your successes and supports light /. dark modes.