Troubleshooter: Abandoned Children cover
Troubleshooter: Abandoned Children screenshot
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Genre: Role-playing (RPG), Strategy, Turn-based strategy (TBS), Indie

Troubleshooter: Abandoned Children

[Notice] [Fixed] A specific mission is not progressing normally.
Hello everyone, this is Troubleshooter development team.

We found a bug that affects the scenario mission 'Got a Clue - Angry Barrel Street' can't be progressed.

This bug has been fixed for now but in case you've already started the mission, you have to restart that mission and the issue will be solved.

I'm sorry for the inconvenience caused to many people.

Thank you.

[Notice] Contents Update and Maintenance


Hello everyone, this is Troubleshooter development team.

# About Contents Update:

First of all, we apologize for the lack of content in the update despite having made you wait for a long time.

If development went according to our plan, the new Violent Case and the items you can get from it were supposed to be included in today's update, but it seems we overestimated our development skills.

We decided to update the scenario mission first, thinking that it would be desirable to disclose the completed contents rather than delaying the schedule any further.

New Violent Case planned will be updated on Thursday, March 2nd.

As the update is delayed, we will do our best to prepare new Violent Case to stimulate your desire for challenges and provide you with a pleasant experience through various rewards.

# About Giselle Costumes:

New Giselle's cosutumes will be added:

https://store.steampowered.com/bundle/28219/TROUBLESHOOTER_Costume_Collection/

( * If you purchase Giselle's costume now, the actual product will be automatically received after the update. )

If you purchase the costume through the link above, you can purchase the product at a 50% discount.

We are still working on costumes for characters that we haven't introduced yet. As soon as it's ready, we'll let you know through an update notice.


We beg to inform you that the game contents update and system maintenance.


  • During the maintenance, players who use the Online mode can't play the game.
  • Please end the game normally before the maintenance begins.
  • During the maintenance, players who use the Offline mode can play the game.


Maintenance Schedule



  • Daylight saving time is not applied.
  • Date: February 22th, 2023
  • Wednesday 09:00 ~ 11:00 CET
  • Wednesday 17:00 ~ 19:00 JST
  • Wednesday 00:00 ~ 02:00 PST
  • Wednesday 08:00 ~ 10:00 UTC


Update Details:



  • Added a new scenario mission 'Monster'.
  • Added a new type of grenade: Corrosive Grenade
  • Added a new type of field effect: Corrosive Cloud
  • Added a function that make you possible to write a mail in the Friend List window.
  • Added a function 'Show only unequiped mastery' in the mastery board window.
  • Added a new Giselle's costume.

  • Changed the max level for the character from 57 to 58.
  • Changed effect of the Neurotoxin, Corrosive Poison and Envenom-Neurotoxin.




  • Changed effect of the Rage.
    - Before:


    - After:


  • Changed the Draki Queen in the level 44 Violent Case to be appeared in every difficulty.
  • Changed the height of the equipment board for the Mungo to be more visible.

  • Fixed a bug that the Maximum Output didn't work when you unequip a module.
  • Fixed a bug that a Watchtower with Fake Information state detected a unit in Hide when any enemies near the Watchtower detected any allies in Hide.


Thank you.

[Notice] [Europe Server Only] Announcement for the Temporary Maintenance
Hello everyone, this is the Troubleshooter development team.

Today, we have received a mail saying infrastructure company(Amazon Web Service) of our Europe server will carry on a maintenance.

For this reason, we are going to have a temporary maintenance for Europe server at the time table below:

Maintenance Schedule



  • Daylight saving time is not applied.
  • Date: February 18th, 2023
  • Saturday 02:00 ~ 02:30 CET
  • Saturday 10:00 ~ 10:30 JST
  • Saturday 17:00 ~ 17:30 PST
  • Saturday 01:00 ~ 01:30 UTC


We ask for your understanding that the time cannot be changed arbitrarily because it is an maintenance conducted at the infrastructure company level regardless of our will.

Thank you.

[Notice] Announcement for Next Update
Hello everyone, this is the Troubleshooter development team.

First of all, I would like to apologize for not being able to tell you about the next update of the game for a long time.

The next update will be carried on at the time table below:

Update Schedule



  • Daylight saving time is not applied.
  • Date: February 22th, 2023
  • Wednesday 09:00 ~ 11:00 CET
  • Wednesday 17:00 ~ 19:00 JST
  • Wednesday 00:00 ~ 02:00 PST
  • Wednesday 08:00 ~ 10:00 UTC


Thank you for waiting for the update and we'll do our best to show you more enjoyable content.

Announcement of game price increases in some countries
Hello everyone, this is the Troubleshooter development team.

Thanks to your consideration, we all took a good rest and got back on track. We’re expecting our next update to be live in mid-February due to our holiday break. We’ll do our best to present marvelous content to you to compensate for this delay. We’ll give you more details about the precise date later on.

And before we start, we apologize first that today’s announcement could be a little frustrating to our would-be customers in some countries.

Since our team is a small independent development team, we need a lot of time for developing our sequel. Also, sales of our game “Troubleshooter: Abandoned Children” is our only income that can sustain this development process.

For all your love our game is having a constant influx of new customers. And our new DLC is compensating for our lowering main game sales.

While maintaining our sales like this, we’ve found out that there is a sharp increase in sales in particular countries, which is suspected to be a foreign transaction to buy our product at a lower price. Before the last winter sale, these transactions were under 1% of total sales, but the ratio has risen to 12% in the winter sale and 18% for our last sale.

To prevent customers from buying games from another country, STEAM encourages developers to increase the product price in particular countries to their suggested value.

We don’t want gamers in particular countries to have difficulty buying our game due to the fall of their currency value because of a sudden change in their economic situation. However, we also couldn’t just ignore the increasing rate of purchasing our game from a foreign country of a customer.

We could just give up our income for now and set a new price for our sequel to prevent this kind of situation from occurring if we’re developing the sequel right now. But since we’re concentrating on developing DLC for our current product, we’ve decided to increase the prices of our game in the following countries.

- Turkish lira (Lirasi)
- Argentin peso (Peso)
- Colombian peso (Peso)
- Indian rupee (Rupee)

3 years ago, we have undergone a similar situation. And we took a similar measure to stop that situation, resulting in positive effects in lowering the rate of purchasing our product in a customer’s foreign country.

This increase in price is only limited to our main game and DLC, “Troubleshooter: Abandoned Children” and “Crimson Crow”. Our other products are not affected.

We’re informing you that this decision does not simply aim to increase the price but to secure the steady income for maintaining the server and development team to present you better gaming experience and eventually, to promote fair trade.

We apologize for unwillingly laying a burden on the gamers who will buy our games in the countries mentioned before.

By making this decision, we’ll keep up our hard work to make our game more valuable and cost-effective.

Thank you.

[Notice] Operation of the dev team during the Lunar New Year holiday


Hello everyone, this is the Troubleshooter development team.

Happy New Year!

First of all, we sincerely thank everyone who supported us to continue developing Troubleshooter: Abandoned Children.

In return for your constant support, we will try to give you more fun experiences through the game this year.

January 21st to 25th is the Lunar New Year holiday in Korea. It is a big holiday in Korea and many people go to their hometowns and spend time with their families. The development team members will also spend the holidays with their families in their hometowns during this period.

For this reason, the update schedule will be delayed a little. We are sorry for spending the holiday like this even though the update is still delayed than expected.

During the holidays, the development team will rotate their community work. However, the processing speed may be slower than usual. We apologize in advance for this.

As soon as the holidays are over, everything will be done normally.

We will work hard to develop the game again after the holidays.

Thank you always.

[Notice] Fixed Bugs
Hello everyone, this is the Troubleshooter development team.

I would like to inform you about the bugs that have been fixed since the update.

Fixes below have been already applied to the Steam and extra maintenance won't be carried on.


  • Changed

    • Effect of the Black Eyepatch
      - The effect has been completely changed because the performance of the item is causing a lot of controversy. I would like to apologize to gamers who have already acquired this item.




  • Fixed

    • Contraction has applied to an unit who was not in Flanking Target status when 'Skillful Mimicking Attack' activated.
    • Civilian has been treasted as resued when an unit with Rampage put the civilian Out of Action.
    • Kevin in the Joint Training equipped wrong individual mastery.
    • Duel Battle was started with some buffs applied.



Beside the fixes described above, the dev team is still working to make another fixes of knows bugs.

Once it has been made, its details will be shared through the maintenance notice or extra notice.

Thank you.

[Notice] Contents Update and System Maintenance Announcement


Hello everyone, this is the Troubleshooter development team.

We beg to inform you that the game contents update and system maintenance.


  • During the maintenance, players who use the Online mode can't play the game.
  • Please end the game normally before the maintenance begins.
  • During the maintenance, players who use the Offline mode can play the game.


Maintenance Schedule



  • Daylight saving time is not applied.
  • Date: January 11th, 2023
  • Wednesday 09:00 ~ 11:00 CET
  • Wednesday 17:00 ~ 19:00 JST
  • Wednesday 00:00 ~ 02:00 PST
  • Wednesday 08:00 ~ 10:00 UTC


Update Details:



  • Added a new Normal Case, 'Uninvited guest in the town'.
    - This mission is activated on the Mission Control Panel once you complete the scenario mission 'Got a Clue'.
  • Added an information telling current status of Mimicking Attack and Mimicking Evasion on the HUD. You can check enemy's Mimicking Attack and Mimicking Evasion on an enemy's information windows after you click an enemy.
  • Added an information for the enemies in the Joint Training to the Troublemaker List.
    - Once you activate the Joint Training, you can check new tab on the Troublemaker List.
    - You can acquire the Valkylie Coin from the enemy information of the Joint Training tab.
  • Added '15 degree' value to the option Camera Rotation Angle.
  • Added new Steam Achivements.
    - Bald Black Eyepatch
    - Bald White Hat

  • Changed the abilities configuration of Fighter Mungo, Swordman Mungo, Slaughterer Mungo and White Mask.

  • Changed some abilities.

    • Sion:
      - Lightning Storm is now 6 consecutive attack ability.
      - Attack Power Scaling and EMP Power Scaling of Flash Kick was 100, 50 respectively. And it has been modified to 125, 25 respectively.
    • Leton:
      - Frostmill now has unblockable property.
      - Frost Storm Kick is now 8 consecutive attack ability.


  • Changed some masteries.

    • Best Condition: Changed Action Time decreasing effect from 10 to 5.
    • Prosperity: Changed Action Time decreasing effect from 10 to 5 and changed the required TP from 2 to 1.
    • Toad Skin, Healthy Body, Lightning Rod, Snowman, Inner flame, Tough Spirit: Added an effect Vigor + 2
    • Activation condition of Apex Predator has been changed: 'is higher than' → 'is lower than'


  • Changed the some stats of the beasts when they get level up.
    - Mungo and Crabmit are not included.
    - There is little change in the lower level intervals. However, at higher levels, stats increase slightly.
    - [Edited] This change makes base stats of the beasts to be slightly decreased and the stats that acquired when they get level up to be slightly increased. Based on the level 57, there could be a stat that is lowered than before. But based on the level 60, their stat will be slightly higher.
    - It also applies to beasts you already own.
  • Changed the 'Mastery Research' shows newly acquired masteries on their top.
  • Changed the initial camera directing for the ability to be affected by the option 'Minimize Camera Movement'.

  • Fixed a bug that controller guide menu was not showed when you use a specific screen resolution.
  • Fixed a bug that camera directing was omitted when the legend class Mungo appeared.


Thank you.

[Notice] Next Update Announcement
Hello everyone, this is the Troubleshooter development team.

We are going to have a maintenance for server stabilization and bugs fix.

The maintenance time is as follows:

  • Daylight saving time is not applied.
  • Date: January 11th, 2023
  • Wednesday 09:00 ~ 11:00 CET
  • Wednesday 17:00 ~ 19:00 JST
  • Wednesday 00:00 ~ 02:00 PST
  • Wednesday 08:00 ~ 10:00 UTC


We will continue to do our best to ensure that you can use Troubleshooter more stably and enjoyably.

Thank you.

[Notice] [Updated] Fixed Bugs
Hello everyone, this is the Troubleshooter development team.

I would like to inform you about the extra bugs that have been fixed since last Monday update.

Fixes below have been already applied to the Steam and extra maintenance won't be carried on.


  • Fixed

    • When using additional difficulty Ancestral Records, game client occationally crashed.
    • Mastery Excellent Perception detected an unit in hide state.
    • Mastery Counter Attack and Punishment attacked an unit in hide state.
    • Function of items Black Mask and White Mask was activated against range attack.
    • The total number of beasts that can be managed by the office warehouse did not increase after Mungo was added.
    • Some new masteries were not added to the Mastery Research.


  • Changed

    • Default stats of Mungo has been slightly lowered.
    • [Updated]Changed some masteries for Beasts:









Beside the fixes described above, the dev team is still working to make another fixes of knows bugs.

Once it has been made, its details will be shared through the maintenance notice or extra notice.

Thank you.
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