diff --git a/README.md b/README.md
index f5dadb2..7c48fb4 100644
--- a/README.md
+++ b/README.md
@@ -250,6 +250,7 @@ Games List
 | `prey`     | Prey
 | `primalcarnage` | Primal Carnage: Extinction | [Valve Protocol](#valve)
 | `prbf2`    | Project Reality: Battlefield 2 (2005)
+| `przomboid` | Project Zomboid (2013) | [Valve Protocol](#valve)
 | `quake1`   | Quake 1: QuakeWorld (1996)
 | `quake2`   | Quake 2 (1997)
 | `quake3`   | Quake 3: Arena (1999)
diff --git a/games.txt b/games.txt
index ee834cc..ca3e061 100644
--- a/games.txt
+++ b/games.txt
@@ -190,6 +190,7 @@ postal2|Postal 2|gamespy1|port=7777,port_query_offset=1
 prey|Prey|doom3|port=27719
 primalcarnage|Primal Carnage: Extinction|valve|port=7777,port_query=27015
 prbf2|Project Reality: Battlefield 2 (2005)|gamespy3|port=16567,port_query=29900
+przomboid|Project Zomboid|valve|port=16261
 
 quake1|Quake 1: QuakeWorld (1996)|quake1|port=27500
 quake2|Quake 2 (1997)|quake2|port=27910