Kingdom Defense Online is a strategic tower defense game where players need to build defense towers to resist enemy attacks. The game has multiple levels, each with different terrains and enemy types. Players need to choose different types of defense towers according to the situation to deal with different enemies.

In the game, players can enhance their combat effectiveness by upgrading defense towers, purchasing new defense towers, and using skills. In addition, players can also unlock more game content by collecting in-game resources.

The graphics of Kingdom Defense Online are exquisite, the gameplay is simple and easy to understand, but the challenge is also high. This game is suitable for players who enjoy strategy tower defense games, as well as those who want to challenge their reaction and thinking abilities.

Firstly, before the game starts, players need to select a level. Each level has different maps and difficulty levels, and players can choose based on their own strength and preferences.

Then, players can start to arrange Fortification. Players can place various weapons such as turrets, arrow towers, and artillery on the map, and set their attack range and mode. Players can also set obstacles, traps, etc. on the road to slow down the enemy's movement speed.

When the enemy starts to attack, players need to constantly upgrade and improve their Fortification. The gold coins obtained by destroying the enemy can be used to buy more powerful weapons and upgrade existing weapons, and can also be used to repair damaged Fortification.

At the same time, there will also be some special enemies in the game, who have higher health and stronger attack power, requiring players to adopt more cautious and strategic methods to deal with them.

When players successfully defend all enemies and defend their territory, they will receive corresponding rewards and achievements. At the same time, players can also challenge higher difficulty levels to improve their strength and skill levels.