Eternal Cannon Idle Shooting is a unique idle game developed by CapPlay Interactive Inc. In this game, you are tasked to defend your city from enemies by upgrading your cannon and walls. What sets this game apart is that each upgrade comes with a new skill, giving you dozens of upgrade projects with their powerful skills.

The game features over 60 special projects, where walls can be upgraded and the cannon can be transformed. Walls can become unbreakable with high defense and damage reflection capabilities, while the cannon can have abilities like fast shot, double shot, sputter, critical hit, group bombing, and deadly poison. The game also has multiple skills like frozen magic, full-screen bombs, heal the walls, rebirth with HP-max, and ultimate skill called “invincible”, which instantly turns you into the enemy's nightmare.

Eternal Cannon Idle Shooting has a real-time ranking system, allowing you to compete with players around the world to see who is better on the battlefield. The game has a simple but colorful background, so always pay attention and don't be confused by the cute appearance of the enemy! Remember every decision you make is a test for your strategy.

Overall, Eternal Cannon Idle Shooting is a game of upgrades and strategy that will keep you engaged for hours.