Death Mark Vol.1 is an interesting investigation-drama visual novel with five Steam achievements.
Unfortunately, Chinese is the only language supported by the game at this time. For this reason, all choices were numbered and screenshots were added on each step to make the walkthrough
easier-to-follow.

System Data menu translated:


For faster progression choose:

Text Skip: ALL
Voice: SKIP ON CLICK
Transitions: OFF
Cutscenes: SKIP ON CLICK
Text Speed: 100

Click on back and confirm by clicking on [是] (Left Option).

Start a new game.
    ⚬      During the first scene click on all marked spots:

• Click on the dead corpse on floor (1)
  • 2. 凶手爱—位男性
  
  
• Click on clothes (2)
  
  • 1. 凶手是熟人
  
  
• Click on the knife (3)
  
  • 2. 我不确寇
  
  
• Click on hand (4)

    ⚬      Investigate all clickable spots in the room:


    ⚬      1. 调查完毕



    ⚬      Interrogate all suspects by clicking on each avatar once.

• Click on all locations:
  
  
• Start with the middle one (1)
  
  • 2. 有问题的房间
  
  
• Then, the bottom left location (2)
  
  • Pick all three dialogue options.
  
  
• Click on the remaining spots (3-5)
  
• Lastly, click on the new location (6)

Save 1
    ⚬      2. 不要
    ⚬      Interrogate all suspects by clicking on each avatar once.



    ⚬      Click on the cut and the bruise near woman's breast.



    ⚬      Type 低温 by clicking on the following characters and then submit:



    ⚬      Next, type 演戏 by clicking the following characters and then submit:



    ⚬      Exhaust all dialogue options.



    ⚬      Another investigation scene will occur.
    ⚬      Click on all marked spots:



    ⚬      In the next scene, click on each character once to interrogate them.


    ⚬      2.不去现场就杀人？
    ⚬      Click on each spot from the previous investigation again.
    ⚬      Type 浓度 by clicking on the following characters and then submit:


    ⚬      2. 韩睿枫
    ⚬      Type 电话 by clicking on the following characters:


Save 2
    ⚬      2. 特别情况, 要采取特别手段!



Load 2
    ⚬      1. 我们—定会我到诞据逮捕你!



Load 1
    ⚬      1. 要