August 11, 2016

Buriedbornes was released.

At launch, it was available on 3 platforms: Android, iOS, and Web.

Currently, the Web version is no longer available, and the PC version is available on Steam.

August 30, 2016

The first major update, v1.1.0, was released, adding the popular classes “Saint” and “Witch.”

English language support also began with this version.

The seasonal event “Fire sky” and the implementation of “Legendary Items” were also introduced, marking a period when the core of the current game system was gradually built.

October 26, 2016

The 2nd season event, “Applause,” was held with the major update v1.3.0.

Also, the PvP dungeon, “Tower of Immortality,” was added in this update.

December 7, 2016

The major update v1.4.0 launched the third season event, “Azure snow.”

Important systems, such as missions, job-specific passives, and camp items, were added in this version.

December 28, 2016

Registered users surpassed 100,000.

January 9, 2017

Short stories began to be published. (Short stories are japanese only.)

The memorable 1st story, “The Saint’s Wish,” depicts the tragic end of a certain saint.

The world of Buriedbornes expanded even further through these short stories.

February 8, 2017

v2.0.0 Update Arrives!

“Changes” (variable elements for skills and enemy monsters) were introduced in this version.

Also, the popular class “Wererabbit” began to be distributed through limited-time missions in this version.

February 10, 2017

The 4th Season Event, “Puppets,” was held.

March 22, 2017

A major update, v2.1.0, was released, adding a selectable dungeon and lab parts system.

Also, “Tower of Immortality” was discontinued, and the battle environment was replaced with “Hall of Karma.”

Multilingual support also began with this version.

March 29, 2017

The 5th Season Event, “Ruins,” was held.

From this season onwards, season-exclusive dungeons and bosses were introduced.

May 10, 2017

A major update, v2.2.0, was released, introducing the new currency, Gold Shards.

Also, different background music (BGM) is now played for each dungeon, starting with this version.

May 17, 2017

The 6th Season Event, “Ocean,” was held.

June 28, 2017

A major update, v2.3.0, was released, introducing “Skill Levels” and “Spread Curse.”

The 100F boss was also introduced, completing the current dungeon structure in this version.

July 5, 2017

The 7th Season Event, “Residence,” was held.

August 7, 2017

A Gold Shard distribution campaign was held to commemorate the first anniversary of the game’s release and the milestone of 300,000 registered users.

August 28, 2017

A major update, v2.4.0, was released, adding many new items such as the “Repair kit.”

August 30, 2017

The 8th Season Event, “Forest,” was held.

September 8, 2017

A major update, v2.5.0, was released, adding the most difficult dungeon, “Universe.”

August 30, 2017

The 10th Season Event, “Glacier,” was held.

The popular class “Amorphous” also appeared in this season event.

January 22, 2018

A major update, v2.6.0, was released, adding weekly dungeons.

Additional floor bosses were also introduced.

January 24, 2018

The 11th season event, “Eastern,” was held.

January 31, 2018

Registered users surpassed 500,000.

April 19, 2018

A major update, v2.7.0, was released, introducing “Job Skins.”

April 25, 2018

The 12th season event, “Spire,” was held.

The popular (?) class “Caterpillar” also made its debut in this event.

July 19, 2018

A major update, v2.8.0, was released, adding a new facility, “Jail,” where players can capture and synthesize enemy monsters for various uses.

July 25, 2018

The 13th season event, “Moonnight,” was held.

October 16, 2018

A major update, v2.9.0, was released, introducing the new dungeon “Ominous.”

This is a new type of content where you can challenge the dungeon using monster corpses customized in “Jail.”

October 23, 2018

The 14th season event, “Swamp,” was held.

February 4, 2019

A major update, v3.0.0, was released, introducing the “Operation Room” and allowing players to freely customize their contracts.

February 6, 2019

Registered users surpassed 1 million!

February 13, 2019

The 15th Season Event, “Gentle wind,” was held.

July 22, 2019

A major update, v3.1.0, was released, introducing the “Union” system.

This system served as the prototype for the Union function in Buriedbornes 2, which was released later.

July 31, 2019

The 16th Season Event, “Crying Voice,” was held.

September 25, 2019

The 17th Season Event, “Past,” was held.

December 18, 2019

A major update, v3.2.0, was released, introducing the “Encounter” feature.

Previously, the only option was to kill each other.

Now, players can take various actions towards the corpses of other players encountered in dungeons.

December 25, 2019

The 18th Season Event, “Mountain,” was held.

February 19, 2020

The 19th Season Event, “Cult,” was held.

April 6, 2020

A major update, v3.3.0, was released, introducing high-level crafting.

This provides more options for obtaining even more powerful abilities.

April 22, 2020

The 20th Season Event, “Ancient,” was held.

June 17, 2020

The 21st Season Event, “Wisp,” was held.

August 12, 2020

A major update, v3.4.0, was released, adding the Syndicate feature.

Players can now create their own organizations and team up with other players for gameplay.

August 19, 2020

The 22nd Season Event, “Whisperer,” was held.

October 14, 2020

The 23rd Season Event, “Music,” was held.

May 12, 2021

A major update, v3.6.0, was released, introducing the “Hunt” dungeon.

May 19, 2021

The 24th Season Event, “4 Gods,” was held.

July 14, 2021

Registered users surpassed 2 million!

September 1, 2021

The 25th Season Event, “Calamity,” was held.

December 1, 2021

A major update, v3.7.0, was released, adding the new item “Culture fluid.”

This item makes it easier to challenge “Ominous” with monsters from “Jail.”

December 2021 – March 2022

Mini-seasons “Snowdrop,” “Kingdom,” “Partiality,” and “Sprouting” were held.

April 27, 2022

The 30th Season Event, “Reminiscence,” was held.

This season featured past season dungeons appearing in sequence, allowing players to relive those experiences.

December 14, 2022

A major update, v3.9.0, was released, and the Steam version was launched.

December 28, 2022

The 31st season event, “Sin,” was held.

January 25, 2023

With the release of the Steam version, the web version has been discontinued.

December 25, 2024

The 32nd Season Event, “Anamnesis,” was held.

In this season, following the Season Event “The 30th Season Event, “Reminiscence,” was held.,” past Season Dungeons were presented in order.

November 19, 2025

A major update, v4.1.0, has been released, and the Android download page has been revamped.

March 12, 2026

Registered users have surpassed 3 million!

July 8, 2026

The 33rd season event, “Memorial Festival 2026,” was held.

August 11, 2026

Reached 10th anniversary!