Game introduction: Fireline Merge Defense is a free online shooting game. It is a small, beautiful, high-quality game that can be played directly without downloading and installing. This game belongs to "NUMBER GAMES", "SHOOTING GAMES" and "IDLE GAMES". It is a popular casual game. Place the weapon on the launch pad and automatically attack the falling digital blocks. Hit all the digital blocks to pass the level. The difficulty of the game level increases step by step. By passing the level, you can get gold coins to buy weapons and synthesize more advanced weapons. There are endless levels waiting for you to challenge. Fireline Merge Defense is a vertical screen game experience. Friends who like shooting games hope to bring you immersive happiness. Game Tips: 1. The gold coins you get can be used to upgrade properties. For example: Cannon Constructor (Increase the initial level of cannons), Power Upgrader (Increase the damage of all bullets), Offline Cornucopia (Increase offline earnings). 2. Use gold coins to buy weapons, and then quickly synthesize advanced weapons. 3. Use gold coin props more often to quickly get more gold coins. 4. Click the game to speed up and get gold coins faster. 5. Use Difficulty halved more often to reduce the HP of the digital blocks. 6. Use Auto merge more often to quickly and automatically synthesize advanced weapons. 7. After defeating the boss, you can get diamond rewards. Diamonds can be used to upgrade technology attributes.