Endless mode, killing 30,000 monsters for 30 minutes, something went wrong in the middle, resulting in failure. This lineup is suitable for any mode.

Publish a tutorial for beginners. Try to buy mercenaries in the early stage, mercenaries can be upgraded. Don't rush to buy the turret. Rapid-fire cannons, rocket launchers, and heavy machine guns will be released later. In fact, there is not much difference. Mainly depends on the main weapon. You can click on other defensive buildings as you like. Shields and shield recovery must be prioritized.

The main weapon is only a rocket launcher, the son of the version. For early skills, give priority to reloading and cooling down. Fill up the cooling points. The explosion range and attack power are second to none. Be careful not to click on the bullet limit, which will affect the battery life of the rocket launcher. If you have tracking, be sure to track it, and upgrade the bee bomb later. Prioritize grenades and mortars in the early stage. These all have explosive range. In the mid-term, secondary weapons, pistols and broadswords are preferred. All upgraded to full level. Note that the secondary weapon gives priority to cooldown, then attack range, and lastly damage. Point to armor later. Note that in the later stage, when the skill is fully upgraded, there is only one bullet limit left. Do not click to upgrade the skill at this time. Click to upgrade.