diff --git a/src/SB/Game/zMain.cpp b/src/SB/Game/zMain.cpp
index f38da9ac..88d6b341 100644
--- a/src/SB/Game/zMain.cpp
+++ b/src/SB/Game/zMain.cpp
@@ -1,7 +1,36 @@
+#include "zEntPlayer.h"
+#include "zGlobals.h"
 #include "zMain.h"
 
+#include <string.h>
 #include <types.h>
 
 void iEnvStartup()
 {
 }
+
+void zMainOutputMgrSetup()
+{
+    iTime tim = iTimeGet();
+    iTimeDiffSec(tim);
+    iTimeGet();
+}
+
+void zMainInitGlobals()
+{
+    memset(&globals, 0, sizeof(zGlobals));
+    globals.sceneFirst = 1;
+    iTime tim = iTimeGet();
+    iTimeDiffSec(tim);
+    iTimeGet();
+}
+
+void zMainMemLvlChkCB()
+{
+    zSceneMemLvlChkCB();
+}
+
+void zLedgeAdjust(zLedgeGrabParams* params)
+{
+    params->animGrab *= (1.0f/30);
+}
\ No newline at end of file