diff --git a/CHANGELOG.md b/CHANGELOG.md
index 7634a57..a658251 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -9,8 +9,9 @@ Who knows what the future holds...
 [The Forest](https://store.steampowered.com/app/242760/The_Forest/) support.  
 [Team Fortress Classic](https://store.steampowered.com/app/20/Team_Fortress_Classic/) support.  
 [Sven Co-op](https://store.steampowered.com/app/225840/Sven_Coop/) support.  
-[Rust](https://store.steampowered.com/app/252490/Rust/) support.
-[Counter-Strike](https://store.steampowered.com/app/10/CounterStrike/) support.
+[Rust](https://store.steampowered.com/app/252490/Rust/) support.  
+[Counter-Strike](https://store.steampowered.com/app/10/CounterStrike/) support.  
+[Arma 2: Operation Arrowhead](https://store.steampowered.com/app/33930/Arma_2_Operation_Arrowhead/) support.  
 
 # 0.0.5 - 15/11/2022
 Added `SocketBind` error, regarding failing to bind a socket.  
diff --git a/GAMES.md b/GAMES.md
index 1362b2a..9abbd26 100644
--- a/GAMES.md
+++ b/GAMES.md
@@ -26,6 +26,7 @@
 | SC       | Sven Co-op                         | Valve Protocol |                                                                              |
 | RUST     | Rust                               | Valve Protocol |                                                                              |
 | CS       | Counter-Strike                     | Valve Protocol |                                                                              |
+| ARMA2OA  | Arma 2: Operation Arrowhead        | Valve Protocol | Use the query port.                                                          |
 
 ## Planned to add support:
 _
diff --git a/examples/master_querant.rs b/examples/master_querant.rs
index 66626a1..0d6295a 100644
--- a/examples/master_querant.rs
+++ b/examples/master_querant.rs
@@ -1,6 +1,6 @@
 
 use std::env;
-use gamedig::{aliens, ase, asrd, cs, cscz, csgo, css, dod, dods, GDResult, gm, hl2dm, ins, insmic, inss, l4d, l4d2, mc, rust, sc, sdtd, tf, tf2, tfc, ts, unturned};
+use gamedig::{aliens, arma2oa, ase, asrd, cs, cscz, csgo, css, dod, dods, GDResult, gm, hl2dm, ins, insmic, inss, l4d, l4d2, mc, rust, sc, sdtd, tf, tf2, tfc, ts, unturned};
 use gamedig::protocols::minecraft::{LegacyGroup, Server};
 use gamedig::protocols::valve;
 use gamedig::protocols::valve::App;
@@ -55,6 +55,7 @@ fn main() -> GDResult<()> {
         "sc" => println!("{:#?}", sc::query(ip, port)?),
         "rust" => println!("{:#?}", rust::query(ip, port)?),
         "cs" => println!("{:#?}", cs::query(ip, port)?),
+        "arma2oa" => println!("{:#?}", arma2oa::query(ip, port)?),
         "_src" => println!("{:#?}", valve::query(ip, 27015, App::Source(None), None, None)?),
         "_gld" => println!("{:#?}", valve::query(ip, 27015, App::GoldSrc(false), None, None)?),
         "_gld_f" => println!("{:#?}", valve::query(ip, 27015, App::GoldSrc(true), None, None)?),
diff --git a/src/games/arma2oa.rs b/src/games/arma2oa.rs
new file mode 100644
index 0000000..5ea6f86
--- /dev/null
+++ b/src/games/arma2oa.rs
@@ -0,0 +1,12 @@
+use crate::GDResult;
+use crate::protocols::valve;
+use crate::protocols::valve::{game, SteamID};
+
+pub fn query(address: &str, port: Option<u16>) -> GDResult<game::Response> {
+    let valve_response = valve::query(address, match port {
+        None => 2304,
+        Some(port) => port
+    }, SteamID::ARMA2OA.as_app(), None, None)?;
+
+    Ok(game::Response::new_from_valve_response(valve_response))
+}
diff --git a/src/games/mod.rs b/src/games/mod.rs
index 0c80b16..e998e16 100644
--- a/src/games/mod.rs
+++ b/src/games/mod.rs
@@ -51,3 +51,5 @@ pub mod sc;
 pub mod rust;
 /// Counter-Strike
 pub mod cs;
+/// ARMA 2: Operation Arrowhead
+pub mod arma2oa;
diff --git a/src/protocols/valve/types.rs b/src/protocols/valve/types.rs
index 04b42ec..45355b2 100644
--- a/src/protocols/valve/types.rs
+++ b/src/protocols/valve/types.rs
@@ -175,6 +175,8 @@ pub enum SteamID {
     GM = 4000,
     /// Insurgency: Modern Infantry Combat
     INSMIC = 17700,
+    /// ARMA 2: Operation Arrowhead
+    ARMA2OA = 33930,
     /// Insurgency
     INS = 222880,
     /// Sven Co-op