Welcome to Merge Army: Tank Battle – the addictive idle merge game! Build your military base, merge all kinds of powerful tanks and soldiers, and upgrade your firepower to defeat waves of invading enemies. Unlock advanced weapons like cannons and aircraft, collect idle rewards even offline, and dominate every battlefield! How to Play Drag and merge two identical units to evolve into a stronger combat unit. Keep merging to unlock powerful tanks, cannons and elite soldiers. Strategically arrange your army formation to maximize firepower and counter different enemy waves. All battles run automatically. Defeat enemy bosses to earn coins and unlock more advanced units and weapons. Collect idle rewards even when the game is closed. Come back anytime to upgrade your army and keep progressing. Game Features Satisfying Merge Evolution Intuitive drag-and-merge mechanics with smooth evolution animations. Unlock dozens of unique units: basic soldiers, heavy tanks, rocket cannons, aircraft ...