Cosmic Rail is a free arcade game developed by Say HiGames for Android devices. In this vertical shoot'em up game, you play as a rail ship that must destroy enemies and collect items of the correct color. The game features 3D graphics and challenging gameplay that will keep you engaged for hours.

The objective of the game is to shoot down enemy ships while avoiding their attacks. You must also collect items that match the color of your ship to increase your score. The game has multiple levels, each with its own unique challenges and enemies. The controls are easy to use, with a virtual joystick to move your ship and buttons to shoot and change the color of your ship.

Overall, Cosmic Rail is a fun and challenging game that is worth checking out if you enjoy shoot'em up games. The 3D graphics and challenging gameplay make it a great choice for arcade game fans.