diff --git a/wadsrc/static/language.def b/wadsrc/static/language.def
index 5e629dc97..d9367eb08 100644
--- a/wadsrc/static/language.def
+++ b/wadsrc/static/language.def
@@ -75,9 +75,7 @@ MUSIC_READ_M = "read_m";
 MUSIC_DM2TTL = "dm2ttl";
 MUSIC_DM2INT = "dm2int";
 
-
 // MBF (BOOM?) narration backgrounds
-
 bgflatE1 = "FLOOR4_8";
 bgflatE2 = "SFLR6_1";
 bgflatE3 = "MFLR8_4";
@@ -93,3 +91,237 @@ bgcastcall = "BOSSBACK";
 TAG_QUEST4 = "quest4";
 TAG_QUEST5 = "quest5";
 TAG_QUEST6 = "quest4";
+
+// For printing a custom banner to the console. Must be overridden by mods.
+STARTUP1 = "";
+STARTUP2 = "";
+STARTUP3 = "";
+STARTUP4 = "";
+STARTUP5 = "";
+
+// Placeholder definitions for strings that are in the game content table where the labels are needed even when that file is not loaded.
+
+// Level names
+HUSTR_E1M1 = "";
+HUSTR_E1M2 = "";
+HUSTR_E1M3 = "";
+HUSTR_E1M4 = "";
+HUSTR_E1M5 = "";
+HUSTR_E1M6 = "";
+HUSTR_E1M7 = "";
+HUSTR_E1M8 = "";
+HUSTR_E1M9 = "";
+HUSTR_E2M1 = "";
+HUSTR_E2M2 = "";
+HUSTR_E2M3 = "";
+HUSTR_E2M4 = "";
+HUSTR_E2M5 = "";
+HUSTR_E2M6 = "";
+HUSTR_E2M7 = "";
+HUSTR_E2M8 = "";
+HUSTR_E2M9 = "";
+HUSTR_E3M1 = "";
+HUSTR_E3M2 = "";
+HUSTR_E3M3 = "";
+HUSTR_E3M4 = "";
+HUSTR_E3M5 = "";
+HUSTR_E3M6 = "";
+HUSTR_E3M7 = "";
+HUSTR_E3M8 = "";
+HUSTR_E3M9 = "";
+HUSTR_E4M1 = "";
+HUSTR_E4M2 = "";
+HUSTR_E4M3 = "";
+HUSTR_E4M4 = "";
+HUSTR_E4M5 = "";
+HUSTR_E4M6 = "";
+HUSTR_E4M7 = "";
+HUSTR_E4M8 = "";
+HUSTR_E4M9 = "";
+
+HHUSTR_E1M1 = "";
+HHUSTR_E1M2 = "";
+HHUSTR_E1M3 = "";
+HHUSTR_E1M4 = "";
+HHUSTR_E1M5 = "";
+HHUSTR_E1M6 = "";
+HHUSTR_E1M7 = "";
+HHUSTR_E1M8 = "";
+HHUSTR_E1M9 = "";
+HHUSTR_E2M1 = "";
+HHUSTR_E2M2 = "";
+HHUSTR_E2M3 = "";
+HHUSTR_E2M4 = "";
+HHUSTR_E2M5 = "";
+HHUSTR_E2M6 = "";
+HHUSTR_E2M7 = "";
+HHUSTR_E2M8 = "";
+HHUSTR_E2M9 = "";
+HHUSTR_E3M1 = "";
+HHUSTR_E3M2 = "";
+HHUSTR_E3M3 = "";
+HHUSTR_E3M4 = "";
+HHUSTR_E3M5 = "";
+HHUSTR_E3M6 = "";
+HHUSTR_E3M7 = "";
+HHUSTR_E3M8 = "";
+HHUSTR_E3M9 = "";
+HHUSTR_E4M1 = "";
+HHUSTR_E4M2 = "";
+HHUSTR_E4M3 = "";
+HHUSTR_E4M4 = "";
+HHUSTR_E4M5 = "";
+HHUSTR_E4M6 = "";
+HHUSTR_E4M7 = "";
+HHUSTR_E4M8 = "";
+HHUSTR_E4M9 = "";
+HHUSTR_E5M1 = "";
+HHUSTR_E5M2 = "";
+HHUSTR_E5M3 = "";
+HHUSTR_E5M4 = "";
+HHUSTR_E5M5 = "";
+HHUSTR_E5M6 = "";
+HHUSTR_E5M7 = "";
+HHUSTR_E5M8 = "";
+HHUSTR_E5M9 = "";
+
+HUSTR_1 = "";
+HUSTR_2 = "";
+HUSTR_3 = "";
+HUSTR_4 = "";
+HUSTR_5 = "";
+HUSTR_6 = "";
+HUSTR_7 = "";
+HUSTR_8 = "";
+HUSTR_9 = "";
+HUSTR_10 = "";
+HUSTR_11 = "";
+HUSTR_12 = "";
+HUSTR_13 = "";
+HUSTR_14 = "";
+HUSTR_15 = "";
+HUSTR_16 = "";
+HUSTR_17 = "";
+HUSTR_18 = "";
+HUSTR_19 = "";
+HUSTR_20 = "";
+HUSTR_21 = "";
+HUSTR_22 = "";
+HUSTR_23 = "";
+HUSTR_24 = "";
+HUSTR_25 = "";
+HUSTR_26 = "";
+HUSTR_27 = "";
+HUSTR_28 = "";
+HUSTR_29 = "";
+HUSTR_30 = "";
+HUSTR_31 = "";
+HUSTR_32 = "";
+HUSTR_31B = "";
+HUSTR_32B = "";
+HUSTR_33 = "";
+
+NHUSTR_1 = "";
+NHUSTR_2 = "";
+NHUSTR_3 = "";
+NHUSTR_4 = "";
+NHUSTR_5 = "";
+NHUSTR_6 = "";
+NHUSTR_7 = "";
+NHUSTR_8 = "";
+NHUSTR_9 = "";
+
+PHUSTR_1 = "";
+PHUSTR_2 = "";
+PHUSTR_3 = "";
+PHUSTR_4 = "";
+PHUSTR_5 = "";
+PHUSTR_6 = "";
+PHUSTR_7 = "";
+PHUSTR_8 = "";
+PHUSTR_9 = "";
+PHUSTR_10 = "";
+PHUSTR_11 = "";
+PHUSTR_12 = "";
+PHUSTR_13 = "";
+PHUSTR_14 = "";
+PHUSTR_15 = "";
+PHUSTR_16 = "";
+PHUSTR_17 = "";
+PHUSTR_18 = "";
+PHUSTR_19 = "";
+PHUSTR_20 = "";
+PHUSTR_21 = "";
+PHUSTR_22 = "";
+PHUSTR_23 = "";
+PHUSTR_24 = "";
+PHUSTR_25 = "";
+PHUSTR_26 = "";
+PHUSTR_27 = "";
+PHUSTR_28 = "";
+PHUSTR_29 = "";
+PHUSTR_30 = "";
+PHUSTR_31 = "";
+PHUSTR_32 = "";
+
+THUSTR_1 = "";
+THUSTR_2 = "";
+THUSTR_3 = "";
+THUSTR_4 = "";
+THUSTR_5 = "";
+THUSTR_6 = "";
+THUSTR_7 = "";
+THUSTR_8 = "";
+THUSTR_9 = "";
+THUSTR_10 = "";
+THUSTR_11 = "";
+THUSTR_12 = "";
+THUSTR_13 = "";
+THUSTR_14 = "";
+THUSTR_15 = "";
+THUSTR_16 = "";
+THUSTR_17 = "";
+THUSTR_18 = "";
+THUSTR_19 = "";
+THUSTR_20 = "";
+THUSTR_21 = "";
+THUSTR_22 = "";
+THUSTR_23 = "";
+THUSTR_24 = "";
+THUSTR_25 = "";
+THUSTR_26 = "";
+THUSTR_27 = "";
+THUSTR_28 = "";
+THUSTR_29 = "";
+THUSTR_30 = "";
+THUSTR_31 = "";
+THUSTR_32 = "";
+
+E1TEXT = "";
+E2TEXT = "";
+E3TEXT = "";
+E4TEXT = "";
+C1TEXT = "";
+C2TEXT = "";
+C3TEXT = "";
+C4TEXT = "";
+C5TEXT = "";
+C6TEXT = "";
+P1TEXT = "";
+P2TEXT = "";
+P3TEXT = "";
+P4TEXT = "";
+P5TEXT = "";
+P6TEXT = "";
+T1TEXT = "";
+T2TEXT = "";
+T3TEXT = "";
+T4TEXT = "";
+T5TEXT = "";
+T6TEXT = "";
+NERVETEXT = "";
+HE1TEXT = "";
+HE2TEXT = "";
+HE3TEXT = "";
+HE4TEXT = "";
+HE5TEXT = "";