diff --git a/proton b/proton
index 268792a8..d50fa885 100755
--- a/proton
+++ b/proton
@@ -923,6 +923,7 @@ def default_compat_config():
                 "536280", #Disintegration
                 "585420", #Trailmakers
                 "684450", #Surviving the Aftermath
+                "707030", #POSTAL 4: No Regerts
                 "780290", #Gloomhaven
                 "844260", #Rustler
                 "960170", #DJMAX RESPECT V