Branch	Build	Updated	Description
public	7,922,873	Dec 21, 2021 · 4y ago
beta	7,922,814	Dec 21, 2021 · 4y ago
163_backup	2,665,214	Dec 20, 2021 · 4y ago	Backup of 1.63
legacy	4,366,416	Dec 16, 2021 · 4y ago
1.62	349,367	—	Older version of the game

Build history

every build id we have seen on a branch (history starts with our first read)

Build	Branch	Released	First seen
7,922,873	public	Dec 21, 2021 19:59	3d ago
7,922,814	beta	Dec 21, 2021 19:43	3d ago
2,665,214	163_backup	Dec 20, 2021 15:30	3d ago
4,366,416	legacy	Dec 16, 2021 15:18	3d ago
349,367	1.62	—	3d ago

Depots · 6

content of the public branch

Depot	OS	DLC / shared	Size	Download	Manifest
33931	all		8.7 GB	7.3 GB	7739883071566525791
33932	all		—	—
33934	all	DLC Arma 2: Army of the Czech Republic	1.5 GB	—	1218581768977878334
33937	all		9.5 KB	—	6080133772376467329
33938	all		9.5 KB	—	4701253579810567351
33961	all		234 B	—	8631424334220550682

Launch options · 4

Executable	OS	Description
`ArmA2OA_BE.exe` 2 0	all
`ArmA2OA_BE.exe` 2 0 -window	all	Launch in windowed mode
`ArmA2OA.exe`	all	Launch without BattlEye
`DLCsetup\ACR\datacachepreprocessor.exe` -updater	all	Install Army of the Czech Republic DLC

Languages · 8

Language	Interface	Full audio	Subtitles
Czech	✓	—	✓
French	✓	—	✓
German	✓	—	✓
Polish	✓	—	✓
English	✓	✓	—
Italian	✓	—	✓
Russian	✓	—	✓
Spanish	✓	—	✓

Packages · 4

all packages

Sub	Name	Billing	Price
4637	Arma 2: Operation Arrowhead	Store	$19.99
4639	Arma 2: Combined Operations	Store	$24.99
8701	Arma X: Anniversary Edition	Store	$49.99
40710	Arma 2: Complete Collection	Store or CD key	$39.99

Bundles · 1

all bundles

Bundle	Games	Bundle discount	Price
Arma Veteran's Pack	10	-10%	$202.33

DLC in product info · 4

includes DLC not sold separately

#33933 Arma 2: Army of the Czech Republic #33936 #33960

Updates · patch notes

Steam announcements tagged as patch notes, linked to the public build they followed

all games →

When	Note	Build	Update size
Dec 21, 2021	Arma 2 Operation Arrowhead Windows 11 Hotfix #2 This hotfix for Arma 2: Operation Arrowhead resolves a few issues with the original Windows 11 update and brings a quality-of-life change to the branch configuration. We are adding the new Windows 10 and 11 compatible BattlEye files to Arma 2 OA's /Expansion folder to ensure functionality with older setups. We are also removing password protection from the branch 163_backup which contains 1.63 ver	7,922,873	8.1 GB total
Dec 16, 2021	Arma 2 Operation Arrowhead Windows 11 Hotfix In cooperation with the BattlEye team, we have prepared a hotfix for Arma 2 Operation Arrowhead. This hotfix adds BattlEye support for Windows 11. If you experience issues with this Operation Arrowhead update, we have made a "legacy" version available on Steam. To download this build, please go to your Steam library, right-click on Arma 2: Operation Arrowhead, select "Properties". In the Propertie	—	—
Dec 21, 2015	Corepatch hotfix Based on community feedback the Corepatch team has released a small hotfix, which takes care of some of the most prominent issues. If you are having issue with the recent Operation Arrowhead patch or this hotfix, we have enabled "legacy" beta. To download it go to your steam library, click with the right mouse button on Arma 2: Operation Arrowhead, select properties. In the properties window selec	—	—
Dec 18, 2015	Christmas update combined with Corepatch After a prolonged beta, the latest Arma 2: Operation Arrowhead patch has finally matured and reached its release phase. It includes several engine fixes listed in the changelog below. On top of that, we have included “CorePatch” and “CorePatch2” data patches developed by members of the community. Huge thanks and credits to Goliath and SaMatra and several other devoted community developers (for ful	—	—
Oct 1, 2015	Minor BattlEye update published A minor BattlEye update has been published to both main and beta version of Operation Arrowhead.	—	—
Apr 27, 2011	ARMA 2: Operation Arrowhead patch 1.59 released on STEAM + Significantly improved convoy and driving AI behaviour + Numerous combat AI enhancements and fixes + Enhanced vegetation rendering + Improved commanding interface + Several MP security fixes + Tweaked speed of transition animations + Language fixes Curious what's in DLCs BAF & PMC? then check following video of A2:RFT on DVD release (OA-multiplayer + both DLCs) ARMA 2: Reinforcement - Launch Tra	—	—
Apr 27, 2011	ARMA 2: Operation Arrowhead patch 1.59 released on STEAM + Significantly improved convoy and driving AI behaviour + Numerous combat AI enhancements and fixes + Enhanced vegetation rendering + Improved commanding interface + Several MP security fixes + Tweaked speed of transition animations + Language fixes Curious what's in DLCs BAF & PMC? then check following video of A2:RFT on DVD release (OA-multiplayer + both DLCs) <i>ARMA 2: Reinforcement - Launch	—	—
Dec 23, 2010	ARMA 2: Operation Arrowhead patch 1.57 released on STEAM New update 1.57 for ARMA 2: OA was airdropped on STEAM service ! http://external.ak.fbcdn.net/safe_image.php?d=6b8acc89873bdd3ea9a5bacadca7c87b&w=90&h=90&url=http%3A%2F%2Fwww.arma2.com%2Fimages%2Ffacebook%2FSLEIGH_RIDE.jpg + Numerous stability and functionality fixes and improvements + Improved netcode (better locality handling) + New scripting commands + 4 new bonus scenarios for owners of the fu	—	—
Dec 23, 2010	ARMA 2: Operation Arrowhead patch 1.57 released on STEAM New update 1.57 for ARMA 2: OA was airdropped on STEAM service ! <a target='_blank' href='http://www.arma2.com/images/facebook/SLEIGH_RIDE.jpg'> </a> + Numerous stability and functionality fixes and improvements + Improved netcode (better locality handling) + New scripting commands + 4 new bonus scenarios for owners of the full version of Arma 2: Private Military Company + Added many new scripting	—	—
Nov 13, 2010	ARMA 2: Operation Arrowhead patch 1.55 released on STEAM New update 1.55 for ARMA 2: OA was released on STEAM service ! + Numerous stability and functionality fixes and improvements + Reworked MP SP/MP Mission Selector + Various visual optimizations and fidelity additions + Added many new scripting commands and event-handlers + AI behaviour related fixes and improvements click here to read detailed changelog about 1.55 update Have fun and please share Y	—	—
Nov 13, 2010	ARMA 2: Operation Arrowhead patch 1.55 released on STEAM New update 1.55 for ARMA 2: OA was released on STEAM service ! + Numerous stability and functionality fixes and improvements + Reworked MP SP/MP Mission Selector + Various visual optimizations and fidelity additions + Added many new scripting commands and event-handlers + AI behaviour related fixes and improvements <a href="http://community.bistudio.com/wiki/A2OA:_Patch_v1.55#Version_1.55_Highligh	—	—
Nov 5, 2010	ARMA 2: Operation Arrowhead patch 1.55 release imminent! When it hits? Very soon! (yet not this week) <strong> Numerous stability and functionality fixes and improvements. <a href="http://www.arma2.com/beta-patch.php">click here to view details in public beta change-log...</a> Reworked MP SP/MP Mission Selector. and much more ... </strong> <i> * this news self-destructs on time of new patch release </i>	—	—