diff --git a/casino3d.inc b/casino3d.inc
--- a/casino3d.inc
+++ b/casino3d.inc
@@ -149,1 +149,2 @@
 include src_graphics\npc_mind_data.inc
+include src_graphics\npc_life_data.inc
@@ -5124,1 +5125,3 @@
 include src_graphics\npc_mind.inc
+include src_graphics\npc_life.inc
+include src_graphics\npc_contracts.inc
@@ -5240,1 +5243,7 @@
 check_slots_mode:
+    cmp engineMode,MODE_NPC_DIALOG
+    jne @F
+    call HandleNpcDialog3D
+    call RenderNpcDialog3D
+    jmp present_frame
+@@:
diff --git a/src_graphics/hall_scene.inc b/src_graphics/hall_scene.inc
--- a/src_graphics/hall_scene.inc
+++ b/src_graphics/hall_scene.inc
@@ -281,1 +281,2 @@
     call InitCasinoNpcMind
+    call InitNpcLife3D
@@ -624,2 +625,3 @@
     invoke HallTarget3D, 27*FP_1,25*FP_1,INTERACT_BILLIARDS,OFFSET hallPoolPrompt3D
+    call CheckNpcInteractions3D
     ret
@@ -640,1 +642,7 @@
 TriggerHallInteraction3D PROC
+    cmp interactTargetId,INTERACT_NPC
+    jne @F
+    call OpenNpcDialog3D
+    ret
+@@:
+
@@ -1207,1 +1215,4 @@
 UpdatePatrons3D PROC uses ebx esi edi
+    call UpdateNpcLife3D
+    ret
+IF 0
@@ -1281,1 +1292,2 @@
+ENDIF
 UpdatePatrons3D ENDP
@@ -1284,2 +1296,3 @@
 RenderPatrons3D PROC uses esi
-    xor esi, esi
+    call RenderNpcLife3D
+    mov esi,8
@@ -1291,1 +1304,1 @@
-    cmp esi, HALL_PATRON_COUNT
+    cmp esi,12