ARCADE · FREE TO PLAY
FireLine: Merge Defense
Game controls
FireLine: Merge DefenseGameMonetize may show several ads in a row before play. The publisher controls their number and timing.GameMonetize may show several ads in a row before play. The publisher controls their number and timing.
How to playMouse
Mouse
Controls, progress and scores are handled inside the game.About FireLine: Merge Defense
Unlock a variety of guns in your arsenal. Combine to upgrade your cannon and take a tactical position to defend against increasingly powerful waves of cubes and deadly bosses.