Undercity - Prague is a thrilling metro simulator game that allows you to become a metro driver in the beautiful city of Prague. This Android game is completely free and offers you the chance to earn money by driving your subway and purchasing upgrades such as maximum speed limit or faster braking.

The game is easy to understand and extremely fun to play. You get to experience the real stations from Prague metro and complete lines A, B, and C. The underground stations are inspired by real ones, and every city has its own metro skin inspired by the real subway in underground.

However, it's not all smooth sailing. Undercity - Prague features various obstacles such as suicide jumpers and terrorists who commit suicide in the metro tunnel. You need to be careful and quickly apply the brakes to avoid any mishaps.

The game also allows you to upgrade your metro by purchasing speed pedal and brake upgrades. The game features real trains 81-71M and M1, and the beautiful PIXEL ART graphics inspired by retro JAVA game.

Overall, Undercity - Prague is an excellent metro simulator game that provides an immersive experience of driving a subway in Prague, with realistic obstacles and upgrades to make the game even more interesting.