Application Data Update and Server Maintenance Notice
Hello, Pilots!
This is the Steam® version "Mobile Suit Gundam Battle Operation 2" team.
Server maintenance will be performed on the following schedule.
◇Date & Time
[PDT] 09/17/2025 22:00 – 09/18/2025 01:00 [Scheduled]
[CEST] 09/18/2025 07:00 – 09/18/2025 10:00 [Scheduled]
◇Maintenance Details
・Application Data Update
・Supply Drop Lineup Update
※Please note that you will not be able to log in to the game during the maintenance.
※The end time may vary depending on the maintenance status. Please understand this in advance.
※Entering the maintenance during matching may cause unexpected errors.
Please log out of the game before maintenance.
We apologize for any inconvenience this may cause and appreciate your understanding and cooperation.
[PDT] 09/18/2025 / [CEST] 09/18/2025 Updated content is listed below.
■GBO Autumn Festival Pre-event
Starting from [PDT] 08/28/2025 / [CEST] 08/28/2025, GBO Autumn Festival Pre-event will begin.
■Period
[PDT] 08/28/2025 01:00 – 10/01/2025 21:59 [Scheduled]
[CEST] 08/28/2025 10:00 – 10/02/2025 06:59 [Scheduled]
※You can have a check to the information below for more details.
https://store.steampowered.com/news/app/1367080/view/546744790793846879
■Failnaught guaranteed STEP UP Supply Drop
Starting from [PDT] 09/18/2025 / [CEST] 09/18/2025, Failnaught LV1 guaranteed STEP UP Supply Drop will begin.

■Period
[PDT] 09/18/2025 01:00 – 09/24/2025 21:30 [Scheduled]
[CEST] 09/18/2025 10:00 – 09/25/2025 06:30 [Scheduled]
■Featured material which has the Big Boost in this Supply Rate
・★★★ Failnaught LV1 (Raid unit, ground/space uses, cost: 650)
■Content
A Supply Drop, in which 10 consecutive Supply Drops can be requested up to STEP5.
The STEP will progress by 1 each time you perform a request, as STEP1 → STEP2 → STEP3 → STEP4 → STEP5.
Once STEP5 finishes, the Boosted Supply Drop will end.
・STEP1 (15 Tokens): Tokens 50% OFF!
・STEP2 (30 Tokens): ★★ and above Materials Drop Rate x1.5!
・STEP3 (30 Tokens): 1 ★★ or above rarity MS guaranteed!
・STEP4 (30 Tokens): Drop rate for Failnaught's materials x 1.5!
・STEP5 (30 Tokens): 1 Failnaught LV1 guaranteed!
※Same supplies will be drawn as the ongoing Supply Drops.
For details, please check the [Item List].
※Please also make sure to have a check to the event schedule so that you will not miss anything.
■Notice of Supply Drop Lineup “Failnaught”
Supply Drop Lineup has been updated.

■Period
[PDT] 09/18/2025 01:00 – 09/24/2025 21:30 [Scheduled]
[CEST] 09/18/2025 10:00 – 09/25/2025 06:30 [Scheduled]
■Added New Materials
■Unit
・★★★ Failnaught LV1 (Raid unit, ground/space uses, cost: 650)
※The above MS is eligible for the Monthly MS Bonus Unit.
■Mobile Suit Features
・Raid unit with cost of 650.
・A Tristan unit that was modified at Buch Junk Inc.,
and equipped with an experimental attack unit known as the Failnaught System.
・Scharnhorst Buch, founder of the Buch Concern conglomerate,
which Buch Junk Inc. has been secretly moved forward with next-gen Mobile Suit design
and testing via the Strategic Naval Research Institute (S.N.R.I.) and its Tristan unit.
・It is equipped with Quasi-Psycommu technology called “Failnaught System”, known as INCOM,
designed to handle weaponry with good fire power while reducing the burden of fire control,
allowing the pilot to focus solely on MS operation.
Additionally, the unit is equipped with a Twin-eye type sensor pack on the rear of the head,
contributing to operational efficiency by providing surrounding information to Incom.
・Originally known for its remarkable mobility, the Tristan was equipped with an early variant of
movable thrusters featuring an AMBAC system, which would later be used for Crossbone Vanguard units
and this significantly enhanced its maneuverability and responsiveness.
・Can be deployed both on the Ground and in Space.
https://bo2.ggame.jp/images/info/2025/07/735a2666870ef6c29de3a3ae44185c3d.mp4
※This video may not be representative of the actual product.
※Please also make sure to have a check to the event schedule so that you will not miss anything.
Skill “Prototype Fin/Nozzle Control System”
・Moving forward using High Speed Movement for a set period with full thrusters
puts your unit into HSM attack position.
While in this position, High Speed Movement increases and thruster consumption is reduced.
Skill-compatible weapons can be used and enemies are staggered when collided with.
Also, reaction from recoil due to ranged attacks is nullified.
However, if heavy stagger or higher is nullified, stagger from cumulative damage becomes more frequent.
※Skill-compatible weapons for the skill will be the main ranged weapon “Failnaught Arm Beam Cannon”
and sub-weapon “Failnaught Beam Rifle”.

■Exclusive pilot item as a Bonus for the 10 Consecutive Supply Drops!
Beginning from [PDT] 09/18/2025 01:00 / [CEST] 09/18/2025 10:00,
1 random exclusive pilot item as a bonus can be obtained from 10 consecutive drops.

■Period
[PDT] 09/18/2025 01:00 – 09/24/2025 21:30 [Scheduled]
[CEST] 09/18/2025 10:00 – 09/25/2025 06:30 [Scheduled]
■Supply Drop with Bonus Items
Normal 10-consecutive Supply Drops
■Bonus Item Contents (get 1 of the 2 items randomly listed below)
■Wear
Normal Suit: Federation 03
■Accessory
Helmet: Federation 03
※Requesting 10-Consecutive Supply Drops during the campaign will grant you an additional 11th supply drop,
and get 1 extra item.
※Single Supply Drop is NOT applied with this benefit.
The bonus item will not be awarded even if you request the 1-Attempt Supply Drop ten times in a row.
■Other material
■Unit
・★★★ Zaku III [Psycommu Type] LV2 (General unit, ground/space uses, cost: 600)
※All ★★★ and above units are are eligible for the Monthly MS Bonus Unit.

■Removed Materials from the Supply Drop
Some materials are removed from the supply drop lineup.
※For more information regarding the updated supply drop lineup, please refer to the [Supply Drop List].
■Notice of [Big Boost to Supply Drop Rates Campaign]
Some of the newly added materials will have a boost to their supply drop rates for a limited time.
■Period
[PDT] 09/18/2025 01:00 – 09/24/2025 21:30 [Scheduled]
[CEST] 09/18/2025 10:00 – 09/25/2025 06:30 [Scheduled]
■Featured material that will benefit from the Big Boost to its Supply Rate
・★★★ Failnaught LV1 (Raid unit, ground/space uses, cost: 650)
■Supply Drops that will benefit from Big Boost to Supply Rates
・Normal Supply Drop
・STEP UP Supply Drop
※After the end of the campaign, all supply drop rates will be the same as other materials.
■Notice of "Limited Supply Drop!! Zaku III [Psycommu Type]"
Starting from [PDT] 09/18/2025 01:00 / [CEST] 09/18/2025 10:00,
a Limited Supply Drop with a MS drop rate boosted event will begin.

■Period
[PDT] 09/18/2025 01:00 – 09/24/2025 21:30 [Scheduled]
[CEST] 09/18/2025 10:00 – 09/25/2025 06:30 [Scheduled]
■Contents
During the period, “Limited Supply Drop (Once / 10 Times)” can be requested from the material counter.
During the Limited Supply Drop, Zaku III [Psycommu Type]’s drop rate will be increased.
■Featured material with a Big Boost to its supply drop rate
In the Limited Supply Drop, drop rate on each unit LV and weapons will be affected respectively.
◎Supply drop rate increase① (Item Amount 1)
・★★★ Zaku III [Psycommu Type] LV1 (General unit, ground/space uses, cost: 550)
◎Supply drop rate increase② (Item Amount 1)
・★★★ Zaku III [Psycommu Type] LV2 (General unit, ground/space uses, cost: 600)
◎Supply drop rate increase③ (Item Amount 1)
・★★ Zaku III [PCM Type] BB LV2
■Supply Drops that are affected by the drop rate increase
・Limited Supply Drop
※Materials those can be received from this Limited Supply Drop will be as same as the current normal Supply Drop lineup.
Differing from the standard Supply Drop, only the specified items in the Limited Supply Drop will be boosted.
※Drop rate increases of the Limited Supply Drop will affect the units of each LV and the units’ main weapon differently.
While LV 1-2 unit and weapons are affected by the drop rate increases as below.
・LV1 Unit’s drop rate increased by “3%”
・LV2 Unit’s drop rate increased by “3%”
・Main weapons’ drop rate Increase “3%”
The Supply Drop rate increases is made by the reducing the drop rate of “★” rarity items.
※Regarding the detailed lineup of the Limited Supply Drop, please check [Item List].
※The amount of tokens required to request a Limited Supply Drop is the same as normal Supply Drop.
(Once – 3 tokens / 10 Times – 30 tokens)
※Please also make sure to have a check to the event schedule so that you will not miss anything.
■New Materials for exchange are added to DP exchange Counter.
⇒ Information about newly added materials
■Units
・★★Geara Doga Kai LV2 added
・★★Jegan Heavy Equipment Type LV2 added

■Rating Match/Quick Match Game Modes are updated.
※There may be differences about the game mode with the information above,
which were introduced during the previous update regarding [Possible Game Modes].
■Situation Battle is now updated.
⇒ The topic of the week is “The North America Front”.
※For more details about this week’s Situation Battle, please click here.
https://store.steampowered.com/news/app/1367080/view/546746693838700606
■Schedule for this week's weekend-only battle
◎Weekend-only battle schedule
[PDT] 09/18/2025 12:00 – 09/21/2025 11:59 [Scheduled]
[CEST] 09/18/2025 21:00 – 09/21/2025 20:59 [Scheduled]
◎Special Rules
・Special Battle is now available!
・Situation Battle “The North America Front” will be held.
■Next Clan Match Schedule
Please refer, here for the next Clan Match schedule and reward collection period.
For an overview of the Clan Match, please refer here.
https://store.steampowered.com/news/app/1367080/view/3696937262747690435
■Update for Clan Match reward MS!
New reward MS for Clan Match is available from [PDT] 09/20/2025 / [CEST] 09/20/2025.

■New MS
・★★ GM II Weapon Tester (General unit, ground/space uses, cost: 400)
■Mobile Suit Features
・General unit with cost of 400.
・This MS was created by Federation Forces for the Titans
and was used to test and evaluate weapons such as the Fedayeen Rifle and Shock Wire.
・Due to its large production numbers and proven versatility,
it was selected as a test unit to develop new weaponry for the Titans, hence its dark blue coating.
・A prototype Fedayeen Rifle features a folding grip mechanism designed for
switching between ranged and close combat.
However, this feature was eventually omitted due to technical contributions from the Jupiter Fleet.
In addition, a weapon known as the Shock Wire was refined for better handling,
evolving into a portable weapon called the Sea Serpent that could be used with the manipulator.
・Can be deployed both on the Ground and in Space.
※Since the lineup has been updated, “Condition of claiming Clan Match reward MS” has been reset as well.
The latest information will be posted on STEAM News and our X (Twitter) in the future.
https://x.com/pc_gbo2
We look forward to your continued support of "Mobile Suit Gundam Battle Operation 2".
This is the Steam® version "Mobile Suit Gundam Battle Operation 2" team.
Server maintenance will be performed on the following schedule.
◇Date & Time
[PDT] 09/17/2025 22:00 – 09/18/2025 01:00 [Scheduled]
[CEST] 09/18/2025 07:00 – 09/18/2025 10:00 [Scheduled]
◇Maintenance Details
・Application Data Update
・Supply Drop Lineup Update
※Please note that you will not be able to log in to the game during the maintenance.
※The end time may vary depending on the maintenance status. Please understand this in advance.
※Entering the maintenance during matching may cause unexpected errors.
Please log out of the game before maintenance.
We apologize for any inconvenience this may cause and appreciate your understanding and cooperation.
[PDT] 09/18/2025 / [CEST] 09/18/2025 Updated content is listed below.
■GBO Autumn Festival Pre-event
Starting from [PDT] 08/28/2025 / [CEST] 08/28/2025, GBO Autumn Festival Pre-event will begin.
■Period
[PDT] 08/28/2025 01:00 – 10/01/2025 21:59 [Scheduled]
[CEST] 08/28/2025 10:00 – 10/02/2025 06:59 [Scheduled]
※You can have a check to the information below for more details.
https://store.steampowered.com/news/app/1367080/view/546744790793846879
■Failnaught guaranteed STEP UP Supply Drop
Starting from [PDT] 09/18/2025 / [CEST] 09/18/2025, Failnaught LV1 guaranteed STEP UP Supply Drop will begin.

■Period
[PDT] 09/18/2025 01:00 – 09/24/2025 21:30 [Scheduled]
[CEST] 09/18/2025 10:00 – 09/25/2025 06:30 [Scheduled]
■Featured material which has the Big Boost in this Supply Rate
・★★★ Failnaught LV1 (Raid unit, ground/space uses, cost: 650)
■Content
A Supply Drop, in which 10 consecutive Supply Drops can be requested up to STEP5.
The STEP will progress by 1 each time you perform a request, as STEP1 → STEP2 → STEP3 → STEP4 → STEP5.
Once STEP5 finishes, the Boosted Supply Drop will end.
・STEP1 (15 Tokens): Tokens 50% OFF!
・STEP2 (30 Tokens): ★★ and above Materials Drop Rate x1.5!
・STEP3 (30 Tokens): 1 ★★ or above rarity MS guaranteed!
・STEP4 (30 Tokens): Drop rate for Failnaught's materials x 1.5!
・STEP5 (30 Tokens): 1 Failnaught LV1 guaranteed!
※Same supplies will be drawn as the ongoing Supply Drops.
For details, please check the [Item List].
※Please also make sure to have a check to the event schedule so that you will not miss anything.
■Notice of Supply Drop Lineup “Failnaught”
Supply Drop Lineup has been updated.

■Period
[PDT] 09/18/2025 01:00 – 09/24/2025 21:30 [Scheduled]
[CEST] 09/18/2025 10:00 – 09/25/2025 06:30 [Scheduled]
■Added New Materials
■Unit
・★★★ Failnaught LV1 (Raid unit, ground/space uses, cost: 650)
※The above MS is eligible for the Monthly MS Bonus Unit.
■Mobile Suit Features
・Raid unit with cost of 650.
・A Tristan unit that was modified at Buch Junk Inc.,
and equipped with an experimental attack unit known as the Failnaught System.
・Scharnhorst Buch, founder of the Buch Concern conglomerate,
which Buch Junk Inc. has been secretly moved forward with next-gen Mobile Suit design
and testing via the Strategic Naval Research Institute (S.N.R.I.) and its Tristan unit.
・It is equipped with Quasi-Psycommu technology called “Failnaught System”, known as INCOM,
designed to handle weaponry with good fire power while reducing the burden of fire control,
allowing the pilot to focus solely on MS operation.
Additionally, the unit is equipped with a Twin-eye type sensor pack on the rear of the head,
contributing to operational efficiency by providing surrounding information to Incom.
・Originally known for its remarkable mobility, the Tristan was equipped with an early variant of
movable thrusters featuring an AMBAC system, which would later be used for Crossbone Vanguard units
and this significantly enhanced its maneuverability and responsiveness.
・Can be deployed both on the Ground and in Space.
https://bo2.ggame.jp/images/info/2025/07/735a2666870ef6c29de3a3ae44185c3d.mp4
※This video may not be representative of the actual product.
※Please also make sure to have a check to the event schedule so that you will not miss anything.
Skill “Prototype Fin/Nozzle Control System”
・Moving forward using High Speed Movement for a set period with full thrusters
puts your unit into HSM attack position.
While in this position, High Speed Movement increases and thruster consumption is reduced.
Skill-compatible weapons can be used and enemies are staggered when collided with.
Also, reaction from recoil due to ranged attacks is nullified.
However, if heavy stagger or higher is nullified, stagger from cumulative damage becomes more frequent.
※Skill-compatible weapons for the skill will be the main ranged weapon “Failnaught Arm Beam Cannon”
and sub-weapon “Failnaught Beam Rifle”.

■Exclusive pilot item as a Bonus for the 10 Consecutive Supply Drops!
Beginning from [PDT] 09/18/2025 01:00 / [CEST] 09/18/2025 10:00,
1 random exclusive pilot item as a bonus can be obtained from 10 consecutive drops.

■Period
[PDT] 09/18/2025 01:00 – 09/24/2025 21:30 [Scheduled]
[CEST] 09/18/2025 10:00 – 09/25/2025 06:30 [Scheduled]
■Supply Drop with Bonus Items
Normal 10-consecutive Supply Drops
■Bonus Item Contents (get 1 of the 2 items randomly listed below)
■Wear
Normal Suit: Federation 03
■Accessory
Helmet: Federation 03
※Requesting 10-Consecutive Supply Drops during the campaign will grant you an additional 11th supply drop,
and get 1 extra item.
※Single Supply Drop is NOT applied with this benefit.
The bonus item will not be awarded even if you request the 1-Attempt Supply Drop ten times in a row.
■Other material
■Unit
・★★★ Zaku III [Psycommu Type] LV2 (General unit, ground/space uses, cost: 600)
※All ★★★ and above units are are eligible for the Monthly MS Bonus Unit.

■Removed Materials from the Supply Drop
Some materials are removed from the supply drop lineup.
※For more information regarding the updated supply drop lineup, please refer to the [Supply Drop List].
■Notice of [Big Boost to Supply Drop Rates Campaign]
Some of the newly added materials will have a boost to their supply drop rates for a limited time.
■Period
[PDT] 09/18/2025 01:00 – 09/24/2025 21:30 [Scheduled]
[CEST] 09/18/2025 10:00 – 09/25/2025 06:30 [Scheduled]
■Featured material that will benefit from the Big Boost to its Supply Rate
・★★★ Failnaught LV1 (Raid unit, ground/space uses, cost: 650)
■Supply Drops that will benefit from Big Boost to Supply Rates
・Normal Supply Drop
・STEP UP Supply Drop
※After the end of the campaign, all supply drop rates will be the same as other materials.
■Notice of "Limited Supply Drop!! Zaku III [Psycommu Type]"
Starting from [PDT] 09/18/2025 01:00 / [CEST] 09/18/2025 10:00,
a Limited Supply Drop with a MS drop rate boosted event will begin.

■Period
[PDT] 09/18/2025 01:00 – 09/24/2025 21:30 [Scheduled]
[CEST] 09/18/2025 10:00 – 09/25/2025 06:30 [Scheduled]
■Contents
During the period, “Limited Supply Drop (Once / 10 Times)” can be requested from the material counter.
During the Limited Supply Drop, Zaku III [Psycommu Type]’s drop rate will be increased.
■Featured material with a Big Boost to its supply drop rate
In the Limited Supply Drop, drop rate on each unit LV and weapons will be affected respectively.
◎Supply drop rate increase① (Item Amount 1)
・★★★ Zaku III [Psycommu Type] LV1 (General unit, ground/space uses, cost: 550)
◎Supply drop rate increase② (Item Amount 1)
・★★★ Zaku III [Psycommu Type] LV2 (General unit, ground/space uses, cost: 600)
◎Supply drop rate increase③ (Item Amount 1)
・★★ Zaku III [PCM Type] BB LV2
■Supply Drops that are affected by the drop rate increase
・Limited Supply Drop
※Materials those can be received from this Limited Supply Drop will be as same as the current normal Supply Drop lineup.
Differing from the standard Supply Drop, only the specified items in the Limited Supply Drop will be boosted.
※Drop rate increases of the Limited Supply Drop will affect the units of each LV and the units’ main weapon differently.
While LV 1-2 unit and weapons are affected by the drop rate increases as below.
・LV1 Unit’s drop rate increased by “3%”
・LV2 Unit’s drop rate increased by “3%”
・Main weapons’ drop rate Increase “3%”
The Supply Drop rate increases is made by the reducing the drop rate of “★” rarity items.
※Regarding the detailed lineup of the Limited Supply Drop, please check [Item List].
※The amount of tokens required to request a Limited Supply Drop is the same as normal Supply Drop.
(Once – 3 tokens / 10 Times – 30 tokens)
※Please also make sure to have a check to the event schedule so that you will not miss anything.
■New Materials for exchange are added to DP exchange Counter.
⇒ Information about newly added materials
■Units
・★★Geara Doga Kai LV2 added
・★★Jegan Heavy Equipment Type LV2 added

■Rating Match/Quick Match Game Modes are updated.
※There may be differences about the game mode with the information above,
which were introduced during the previous update regarding [Possible Game Modes].
■Situation Battle is now updated.
⇒ The topic of the week is “The North America Front”.
※For more details about this week’s Situation Battle, please click here.
https://store.steampowered.com/news/app/1367080/view/546746693838700606
■Schedule for this week's weekend-only battle
◎Weekend-only battle schedule
[PDT] 09/18/2025 12:00 – 09/21/2025 11:59 [Scheduled]
[CEST] 09/18/2025 21:00 – 09/21/2025 20:59 [Scheduled]
◎Special Rules
・Special Battle is now available!
・Situation Battle “The North America Front” will be held.
■Next Clan Match Schedule
Please refer, here for the next Clan Match schedule and reward collection period.
For an overview of the Clan Match, please refer here.
https://store.steampowered.com/news/app/1367080/view/3696937262747690435
■Update for Clan Match reward MS!
New reward MS for Clan Match is available from [PDT] 09/20/2025 / [CEST] 09/20/2025.

■New MS
・★★ GM II Weapon Tester (General unit, ground/space uses, cost: 400)
■Mobile Suit Features
・General unit with cost of 400.
・This MS was created by Federation Forces for the Titans
and was used to test and evaluate weapons such as the Fedayeen Rifle and Shock Wire.
・Due to its large production numbers and proven versatility,
it was selected as a test unit to develop new weaponry for the Titans, hence its dark blue coating.
・A prototype Fedayeen Rifle features a folding grip mechanism designed for
switching between ranged and close combat.
However, this feature was eventually omitted due to technical contributions from the Jupiter Fleet.
In addition, a weapon known as the Shock Wire was refined for better handling,
evolving into a portable weapon called the Sea Serpent that could be used with the manipulator.
・Can be deployed both on the Ground and in Space.
※Since the lineup has been updated, “Condition of claiming Clan Match reward MS” has been reset as well.
The latest information will be posted on STEAM News and our X (Twitter) in the future.
https://x.com/pc_gbo2
We look forward to your continued support of "Mobile Suit Gundam Battle Operation 2".