Click the start button to start the game.
Build railroad links by clicking on the rail segment buttons on the top-left. Your strength increases with every rail segment added. To complete the track you have to hit the end red line with blue start line.
Click the play button to play the game.
Enemies appear at random positions and start shooting at the train. If the bullets from the enemies hit the train you lose strength. If the strength becomes zero the game ends.
Drag the mouse to aim, and click the mouse to shoot at the enemies. If the bullets from the train hit the enemies you increase your strength.
The number of enemies increases after every half minute.
Find out how long you can survive.
Update: Bullet following cursor bug removed.
Click letter "s" to replay the game any time during play.
Other instructions are given in the game.