The game is a puzzle game that uses text, but the text is not as simple as players might imagine; it's pictographic, and the structure of the text varies across different chapters, really giving players a brain workout. The game consists of 5 towers with different elements, so how do you pass the fourth level of the Tower of Babel Anthem? The fourth level is about alchemy elements, so the color tone of this level is mainly gray. In other words, what follows is an explanation of the process of passing through the gray tower.

1. Follow the path forward, enter the tower entrance, and suddenly a monster will appear. You can choose to escape to the left, as this monster's weakness is fear of sunlight. Lure it into the sun, activate the mechanism, and you can defeat it.

The mechanism is on the side under the stairs. Press it down to activate the mechanism, making the area of sunlight larger, thus allowing you to proceed to the next scene.

2. In the new scene, there is one monster afraid of sunlight. Use the sunlight to restrict its movement. Take advantage of when the monster turns around to sneak to the mechanism. Use a stone to attract the monster's attention, first open the more obvious red mechanism in the hidden place, then quickly turn around and activate the opposite mechanism. This way, the area of sunlight will expand, and the player can smoothly reach the door.

3. Quickly move to push the mine cart, and before the monster fully emerges, quickly pull the roller shutter door.

4. According to the picture prompts, solve the word meaning puzzle, specific answers see the picture.

5. Based on the attempts on the machine at the entrance, obtain the word answers for the numbers 1, 2, 3, and 4.

6. After entering the door, take the elevator to a new scene map. The display panel in the new scene is quite noticeable. Interact with it to get some information, then enter the small door on the right side of the entrance to go to a new scene. There are many alchemists in the new scene; interact with them.

7. Click on the desktop in the scene, get some clues from the content on these tables, and solve the following word answers.

8. Choose to go up the stairs until you reach the top floor of the tower, which is a restaurant. Wait for the bell to ring, then enter to dine. After finishing the meal, exit through the door on the left to come to a new scene. Obtain puzzle clues from the ground pattern.

9. Here, you can interact first, but without getting the key clue, you cannot decipher it yet.

10. Continue downward to the library. There are many interactive contents inside the library; try to interact as much as possible to get key clues. Go to the second floor of the library to solve the word answers.

11. After solving, continue interacting to get more clues about the word answers in the library. During the process at the library entrance, you will encounter a machine. Interact with the knives obtained from the dining hall to get a silver block, and complete the puzzle at the door.

12. After completing the decryption, you can obtain the gold block item in this scene. Then, continue downward to get the clue item, use the item to open the door, and continue downward. You will encounter an injured alchemist. Helping the alchemist will give you a [Lighter].

13. Continue forward, pay attention to interacting with the text at the cave entrance, and solve the word puzzle.

14. Enter the cave to unlock the teleport point, return to the library entrance, use the lighter to light all the candles to get light, complete the puzzle to get the "gold, silver, carbon" clue, and return to the previously unsolved machine.

15. Use the gold and silver blocks obtained earlier to activate the machine, click on gold, silver, and carbon in sequence to activate the adjacent machine. Place the appropriate weights on the newly activated machine: gold is 1406, silver is 816, and carbon is 46. Finally, obtain the spirit gate key from the newly activated machine, use the key to open the door, and complete this level.

Above are the detailed steps on how to pass the fourth level of the Tower of Babel Anthem. The difficulty of the puzzle in this game lies in remembering the meanings of the various pictographs. The pictographs in this level are defined based on their functional attributes, so when choosing, you can think in this direction. Of course, following the steps in the article throughout will also allow players to pass smoothly and unlock related achievements.