diff --git a/DMCompiler/DMStandard/Defines.dm b/DMCompiler/DMStandard/Defines.dm
index 03e8fa2db6..2fd5dcd819 100644
--- a/DMCompiler/DMStandard/Defines.dm
+++ b/DMCompiler/DMStandard/Defines.dm
@@ -197,6 +197,11 @@
 #define SIDE_MAP 2
 #define TILED_ICON_MAP 32768
 
+//world.movement_mode
+#define LEGACY_MOVEMENT_MODE 0
+#define TILE_MOVEMENT_MODE 1
+#define PIXEL_MOVEMENT_MODE 2
+
 //generator() distributions
 #define UNIFORM_RAND 0
 #define NORMAL_RAND 1
diff --git a/DMCompiler/DMStandard/Types/World.dm b/DMCompiler/DMStandard/Types/World.dm
index de5c6b85c8..41278d67b4 100644
--- a/DMCompiler/DMStandard/Types/World.dm
+++ b/DMCompiler/DMStandard/Types/World.dm
@@ -15,12 +15,14 @@
 	var/cpu = 0 as opendream_unimplemented
 	var/fps = null
 	var/tick_usage
+	var/loop_checks = 0 as opendream_unimplemented
 
 	var/maxx = 0
 	var/maxy = 0
 	var/maxz = 0
 	var/icon_size = 32
 	var/view = 5
+	var/movement_mode = LEGACY_MOVEMENT_MODE as opendream_unimplemented
 
 	var/byond_version = DM_VERSION
 	var/byond_build = DM_BUILD
@@ -31,8 +33,10 @@
 	var/port = 0
 	var/internet_address = "127.0.0.1"
 	var/url
+	var/visibility = 0 as opendream_unimplemented
 	var/status as opendream_unimplemented
 	var/list/params = list() as opendream_unimplemented
+	var/cache_lifespan = 30 as opendream_unimplemented
 
 	var/sleep_offline = 0 as opendream_unimplemented
 
@@ -58,6 +62,9 @@
 		set opendream_unimplemented = TRUE
 	proc/IsSubscribed(player, type)
 		set opendream_unimplemented = TRUE
+	proc/IsBanned(key,address,computer_id,type)
+		set opendream_unimplemented = TRUE
+		return FALSE;
 
 	proc/Reboot()
 		set opendream_unimplemented = TRUE
@@ -66,6 +73,8 @@
 		set opendream_unimplemented = TRUE
 
 	proc/Export(Addr, File, Persist, Clients)
+	proc/Import()
+		set opendream_unimplemented = TRUE
 
 	proc/SetScores()
 		set opendream_unimplemented = TRUE