The enemy onslaught surges like a tidal wave! Ranged archers threaten your heroes, while colossal bosses seek to shatter your walls. Hold the immortal front! Face the endless challenge!

During truce, deploy towers, strategize routes, and select your heroes.Once battle begins, upgrade your population, deploy your heroes, and dispatch miners to secure resources.Every strategic decision is crucial. Your wisdom is the one and only immortal frontline!Game Features:<ul class="bb_ul"><li>Endless Mode</li><li>Unrestricted Tower Placement – Freely build defenses, control enemy paths, and dictate the battlefield rhythm.</li><li>40+ Unique Heroes – Deploy powerful heroes to key positions.Heroes can be upgraded.</li></ul>Quick-Start Tips:<ul class="bb_ul"><li>During preparation phases, place your towers, plan enemy routes, and choose your heroes.</li><li>During combat phases, upgrade your deployable population, position your heroes, and brace for the enemy assault. Deploy miners in the rear to gather extra resources.</li></ul>

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The Unbroken line 不朽防线 Achievements