diff --git a/src/acs/call-funcs.cpp b/src/acs/call-funcs.cpp
index e23c29e74..a241ab370 100644
--- a/src/acs/call-funcs.cpp
+++ b/src/acs/call-funcs.cpp
@@ -1236,6 +1236,53 @@ bool CallFunc_PlayerScore(ACSVM::Thread *thread, const ACSVM::Word *argV, ACSVM:
 	return false;
 }
 
+/*--------------------------------------------------
+	bool CallFunc_PlayerNumber(ACSVM::Thread *thread, const ACSVM::Word *argV, ACSVM::Word argC)
+
+		Returns the activating player's ID.
+--------------------------------------------------*/
+bool CallFunc_PlayerNumber(ACSVM::Thread *thread, const ACSVM::Word *argV, ACSVM::Word argC)
+{
+	auto info = &static_cast<Thread *>(thread)->info;
+	INT16 playerID = -1;
+
+	(void)argV;
+	(void)argC;
+
+	if ((info != NULL)
+		&& (info->mo != NULL && P_MobjWasRemoved(info->mo) == false)
+		&& (info->mo->player != NULL))
+	{
+		playerID = (info->mo->player - players);
+	}
+
+	thread->dataStk.push(playerID);
+	return false;
+}
+
+/*--------------------------------------------------
+	bool CallFunc_ActivatorTID(ACSVM::Thread *thread, const ACSVM::Word *argV, ACSVM::Word argC)
+
+		Returns the activating object's TID.
+--------------------------------------------------*/
+bool CallFunc_ActivatorTID(ACSVM::Thread *thread, const ACSVM::Word *argV, ACSVM::Word argC)
+{
+	auto info = &static_cast<Thread *>(thread)->info;
+	INT16 tid = 0;
+
+	(void)argV;
+	(void)argC;
+
+	if ((info != NULL)
+		&& (info->mo != NULL && P_MobjWasRemoved(info->mo) == false))
+	{
+		tid = info->mo->tid;
+	}
+
+	thread->dataStk.push(tid);
+	return false;
+}
+
 /*--------------------------------------------------
 	bool CallFunc_EndLog(ACSVM::Thread *thread, const ACSVM::Word *argV, ACSVM::Word argC)
 
diff --git a/src/acs/call-funcs.hpp b/src/acs/call-funcs.hpp
index 9bc46d0ef..bb9aa23b5 100644
--- a/src/acs/call-funcs.hpp
+++ b/src/acs/call-funcs.hpp
@@ -60,6 +60,8 @@ bool CallFunc_EndPrintBold(ACSVM::Thread *thread, const ACSVM::Word *argV, ACSVM
 bool CallFunc_PlayerTeam(ACSVM::Thread *thread, const ACSVM::Word *argV, ACSVM::Word argC);
 bool CallFunc_PlayerRings(ACSVM::Thread *thread, const ACSVM::Word *argV, ACSVM::Word argC);
 bool CallFunc_PlayerScore(ACSVM::Thread *thread, const ACSVM::Word *argV, ACSVM::Word argC);
+bool CallFunc_PlayerNumber(ACSVM::Thread *thread, const ACSVM::Word *argV, ACSVM::Word argC);
+bool CallFunc_ActivatorTID(ACSVM::Thread *thread, const ACSVM::Word *argV, ACSVM::Word argC);
 bool CallFunc_EndLog(ACSVM::Thread *thread, const ACSVM::Word *argV, ACSVM::Word argC);
 
 bool CallFunc_strcmp(ACSVM::Thread *thread, const ACSVM::Word *argV, ACSVM::Word argC);
diff --git a/src/acs/environment.cpp b/src/acs/environment.cpp
index c07a4e5ec..78ffa2256 100644
--- a/src/acs/environment.cpp
+++ b/src/acs/environment.cpp
@@ -108,6 +108,9 @@ Environment::Environment()
 
 	// 225 to 243: Implemented by ACSVM
 
+	addCodeDataACS0(247, {"",        0, addCallFunc(CallFunc_PlayerNumber)});
+	addCodeDataACS0(248, {"",        0, addCallFunc(CallFunc_ActivatorTID)});
+
 	// 253: Implemented by ACSVM
 
 	// 256 to 257: Implemented by ACSVM