diff --git a/README.md b/README.md
index a225b1c..1b4f203 100644
--- a/README.md
+++ b/README.md
@@ -108,6 +108,7 @@ Games List
 | `atlas`    | Atlas (2018) | [Valve Protocol](#valve)
 | `avorion`  | Avorion (2020) | [Valve Protocol](#valve)
 | `baldursgate` | Baldur's Gate (1998)
+| `ballisticoverkill` | Ballistic Overkill (2017) | [Valve Protocol](#valve)
 | `barotrauma` | Barotrauma (2019) | [Valve Protocol](#valve)
 | `bat1944`  | Battalion 1944 (2018) | [Valve Protocol](#valve)
 | `bf1942`   | Battlefield 1942 (2002)
diff --git a/games.txt b/games.txt
index 3bf0589..9d3ec16 100644
--- a/games.txt
+++ b/games.txt
@@ -28,6 +28,7 @@ arma3|ARMA 3 (2013)|valve|port=2302,port_query_offset=1
 
 armagetron|Armagetron Advanced (2001)|armagetron|port=4534
 baldursgate|Baldur's Gate (1998)|gamespy1|port=6073,port_query=1470
+ballisticoverkill|Ballistic Overkill (2017)|valve|port=27015,port_query_offset=1
 barotrauma|Barotrauma (2019)|valve|port=27015,port_query_offset=1
 bat1944|Battalion 1944 (2018)|valve|port=7777,port_query_offset=3