Mini Metro is a puzzle strategy game that challenges players to build and manage a rail transit network in growing cities. The game is available on Nintendo Switch and is developed by Playdigious. The objective of the game is to provide transportation to passengers by building stations, railways, and managing trains. The game is over when any of the stations reaches its capacity limit.

As the game progresses, the number of passengers increases, and players get new trains and upgrades every in-game week. Upgrades allow players to increase the capacity of stations or add tunnels, rail lines, or train carriages. Each level is based on a real city, and some levels have unique features, like high-speed Shinkansen trains in the Tokyo level.

Mini Metro is notable for its minimalistic art-style. The game's elements are made of simple shapes and bold colors, imitating real-life railway maps. The different shapes represent different stations and passenger's destinations. The game's simple yet challenging gameplay and unique art-style make it an enjoyable experience for puzzle and strategy game fans.