diff --git a/src/game/chraction.c b/src/game/chraction.c
index a770ee77c..8ff7b6502 100644
--- a/src/game/chraction.c
+++ b/src/game/chraction.c
@@ -4339,6 +4339,18 @@ void chrDamage(struct chrdata *chr, f32 damage, struct coord *vector, struct gse
 		return;
 	}
 
+#ifndef PLATFORM_N64
+	// Don't damage if multiplayer and friendly fire is off
+	if (g_Vars.mplayerisrunning
+			&& !(g_MpSetup.options & MPOPTION_FRIENDLYFIRE)
+			&& aprop
+			&& aprop != vprop
+			&& (aprop->type == PROPTYPE_PLAYER || aprop->type == PROPTYPE_CHR)
+			&& chr->team == aprop->chr->team) {
+		return;
+	}
+#endif
+
 	if (gset == NULL) {
 		gset = &gset2;
 	}
diff --git a/src/game/mplayer/mplayer.c b/src/game/mplayer/mplayer.c
index 851a2d1c5..80b9a4c1f 100644
--- a/src/game/mplayer/mplayer.c
+++ b/src/game/mplayer/mplayer.c
@@ -538,6 +538,10 @@ void mpInit(void)
 		| MPOPTION_PAC_HIGHLIGHTTARGET
 		| MPOPTION_PAC_SHOWONRADAR;
 
+#ifndef PLATFORM_N64
+	g_MpSetup.options |= MPOPTION_FRIENDLYFIRE;
+#endif
+
 	g_Vars.mphilltime = 10;
 
 	func0f187fec();
diff --git a/src/game/mplayer/scenarios/capturethecase.inc b/src/game/mplayer/scenarios/capturethecase.inc
index 529fd2916..192b8923c 100644
--- a/src/game/mplayer/scenarios/capturethecase.inc
+++ b/src/game/mplayer/scenarios/capturethecase.inc
@@ -77,6 +77,14 @@ struct menuitem g_CtcOptionsMenuItems[] = {
 		MPOPTION_NODRUGBLUR,
 		menuhandlerMpCheckboxOption,
 	},
+	{
+		MENUITEMTYPE_CHECKBOX,
+		0,
+		MENUITEMFLAG_LOCKABLEMINOR,
+		L_OPTIONS_257, // "Friendly Fire"
+		MPOPTION_FRIENDLYFIRE,
+		menuhandlerMpDisplayTeam,
+	},
 #endif
 	{
 		MENUITEMTYPE_CHECKBOX,
diff --git a/src/game/mplayer/scenarios/combat.inc b/src/game/mplayer/scenarios/combat.inc
index 9e58b6b65..854e38319 100644
--- a/src/game/mplayer/scenarios/combat.inc
+++ b/src/game/mplayer/scenarios/combat.inc
@@ -72,6 +72,14 @@ struct menuitem g_MpCombatOptionsMenuItems[] = {
 		MPOPTION_NODRUGBLUR,
 		menuhandlerMpCheckboxOption,
 	},
+	{
+		MENUITEMTYPE_CHECKBOX,
+		0,
+		MENUITEMFLAG_LOCKABLEMINOR,
+		L_OPTIONS_257, // "Friendly Fire"
+		MPOPTION_FRIENDLYFIRE,
+		menuhandlerMpDisplayTeam,
+	},
 #endif
 	{
 		MENUITEMTYPE_SEPARATOR,
diff --git a/src/game/mplayer/scenarios/hackthatmac.inc b/src/game/mplayer/scenarios/hackthatmac.inc
index a158bf9d5..9a7cf4b42 100644
--- a/src/game/mplayer/scenarios/hackthatmac.inc
+++ b/src/game/mplayer/scenarios/hackthatmac.inc
@@ -75,6 +75,14 @@ struct menuitem g_HtmOptionsMenuItems[] = {
 		MPOPTION_NODRUGBLUR,
 		menuhandlerMpCheckboxOption,
 	},
+	{
+		MENUITEMTYPE_CHECKBOX,
+		0,
+		MENUITEMFLAG_LOCKABLEMINOR,
+		L_OPTIONS_257, // "Friendly Fire"
+		MPOPTION_FRIENDLYFIRE,
+		menuhandlerMpDisplayTeam,
+	},
 #endif
 	{
 		MENUITEMTYPE_CHECKBOX,
diff --git a/src/game/mplayer/scenarios/holdthebriefcase.inc b/src/game/mplayer/scenarios/holdthebriefcase.inc
index 39f98a728..b4bfedf75 100644
--- a/src/game/mplayer/scenarios/holdthebriefcase.inc
+++ b/src/game/mplayer/scenarios/holdthebriefcase.inc
@@ -75,6 +75,14 @@ struct menuitem g_HtbOptionsMenuItems[] = {
 		MPOPTION_NODRUGBLUR,
 		menuhandlerMpCheckboxOption,
 	},
+	{
+		MENUITEMTYPE_CHECKBOX,
+		0,
+		MENUITEMFLAG_LOCKABLEMINOR,
+		L_OPTIONS_257, // "Friendly Fire"
+		MPOPTION_FRIENDLYFIRE,
+		menuhandlerMpDisplayTeam,
+	},
 #endif
 	{
 		MENUITEMTYPE_CHECKBOX,
diff --git a/src/game/mplayer/scenarios/kingofthehill.inc b/src/game/mplayer/scenarios/kingofthehill.inc
index 2a4d5c7aa..ff72ea228 100644
--- a/src/game/mplayer/scenarios/kingofthehill.inc
+++ b/src/game/mplayer/scenarios/kingofthehill.inc
@@ -96,6 +96,14 @@ struct menuitem g_KohOptionsMenuItems[] = {
 		MPOPTION_NODRUGBLUR,
 		menuhandlerMpCheckboxOption,
 	},
+	{
+		MENUITEMTYPE_CHECKBOX,
+		0,
+		MENUITEMFLAG_LOCKABLEMINOR,
+		L_OPTIONS_257, // "Friendly Fire"
+		MPOPTION_FRIENDLYFIRE,
+		menuhandlerMpDisplayTeam,
+	},
 #endif
 	{
 		MENUITEMTYPE_CHECKBOX,
diff --git a/src/game/mplayer/scenarios/popacap.inc b/src/game/mplayer/scenarios/popacap.inc
index 26221b569..7e37939f7 100644
--- a/src/game/mplayer/scenarios/popacap.inc
+++ b/src/game/mplayer/scenarios/popacap.inc
@@ -73,6 +73,14 @@ struct menuitem g_PacOptionsMenuItems[] = {
 		MPOPTION_NODRUGBLUR,
 		menuhandlerMpCheckboxOption,
 	},
+	{
+		MENUITEMTYPE_CHECKBOX,
+		0,
+		MENUITEMFLAG_LOCKABLEMINOR,
+		L_OPTIONS_257, // "Friendly Fire"
+		MPOPTION_FRIENDLYFIRE,
+		menuhandlerMpDisplayTeam,
+	},
 #endif
 	{
 		MENUITEMTYPE_CHECKBOX,
diff --git a/src/include/constants.h b/src/include/constants.h
index 5a51e08c5..f6fea0f11 100644
--- a/src/include/constants.h
+++ b/src/include/constants.h
@@ -2894,6 +2894,7 @@
 #define MPOPTION_NODRUGBLUR             0x00400000
 #define MPOPTION_AUTORANDOMWEAPON_START 0x00800000
 #define MPOPTION_AUTORANDOMWEAPON_END   0x01000000
+#define MPOPTION_FRIENDLYFIRE           0x02000000
 
 #define MPPAUSEMODE_UNPAUSED 0
 #define MPPAUSEMODE_PAUSED   1