diff --git a/wadsrc/static/dehsupp.txt b/wadsrc/static/dehsupp.txt
index 436e894b48..322d9164af 100644
--- a/wadsrc/static/dehsupp.txt
+++ b/wadsrc/static/dehsupp.txt
@@ -269,7 +269,17 @@ OrgSprNames
 	COL3,COL4,CAND,CBRA,COL6,TRE1,TRE2,ELEC,CEYE,FSKU,
 	COL5,TBLU,TGRN,TRED,SMBT,SMGT,SMRT,HDB1,HDB2,HDB3,
 	HDB4,HDB5,HDB6,POB1,POB2,BRS1,TLMP,TLP2,
-	TNT1,DOGS,PLS1,PLS2,BON3,BON4	// Added by MBF
+	TNT1,DOGS,PLS1,PLS2,BON3,BON4,BLD2	// Added by MBF (BLD2 by Doom Retro)
+	SP00,SP01,SP02,SP03,SP04,SP05,SP06,SP07,SP08,SP09,
+	SP10,SP11,SP12,SP13,SP14,SP15,SP16,SP17,SP18,SP19,
+	SP20,SP21,SP22,SP23,SP24,SP25,SP26,SP27,SP28,SP29,
+	SP30,SP31,SP32,SP33,SP34,SP35,SP36,SP37,SP38,SP39,
+	SP40,SP41,SP42,SP43,SP44,SP45,SP46,SP47,SP48,SP49,
+	SP50,SP51,SP52,SP53,SP54,SP55,SP56,SP57,SP58,SP59,
+	SP60,SP61,SP62,SP63,SP64,SP65,SP66,SP67,SP68,SP69,
+	SP70,SP71,SP72,SP73,SP74,SP75,SP76,SP77,SP78,SP79,
+	SP80,SP81,SP82,SP83,SP84,SP85,SP86,SP87,SP88,SP89,
+	SP90,SP91,SP92,SP93,SP94,SP95,SP96,SP97,SP98,SP99,
 };
 
 StateMap
@@ -422,6 +432,7 @@ StateMap
 	UnholyBible,		Spawn, 1,		// [MBF] S_BON4							1055
 	BetaSkull,			Spawn, 19,		// [MBF] S_BSKUL_STND - S_BSKUL_DIE8	1056-1074
 	Grenade,			Mushroom, 1,	// [MBF] S_MUSHROOM						1075
+	Deh_Actor_250,		Deh, 2925,		// Doom Retro/Crispy Doom extensions.
 };
 
 // Sound equivalences. When a patch tries to change a sound, use these sound names.
@@ -692,6 +703,114 @@ InfoNames
 	PlasmaBall2,
 	EvilSceptre,
 	UnholyBible
+	// Crispy/Retro
+	MusicChanger,
+	Deh_Actor_145,
+    Deh_Actor_146,
+    Deh_Actor_147,
+    Deh_Actor_148,
+    Deh_Actor_149,
+    Deh_Actor_150,
+    Deh_Actor_151,
+    Deh_Actor_152,
+    Deh_Actor_153,
+    Deh_Actor_154,
+    Deh_Actor_155,
+    Deh_Actor_156,
+    Deh_Actor_157,
+    Deh_Actor_158,
+    Deh_Actor_159,
+    Deh_Actor_160,
+    Deh_Actor_161,
+    Deh_Actor_162,
+    Deh_Actor_163,
+    Deh_Actor_164,
+    Deh_Actor_165,
+    Deh_Actor_166,
+    Deh_Actor_167,
+    Deh_Actor_168,
+    Deh_Actor_169,
+    Deh_Actor_170,
+    Deh_Actor_171,
+    Deh_Actor_172,
+    Deh_Actor_173,
+    Deh_Actor_174,
+    Deh_Actor_175,
+    Deh_Actor_176,
+    Deh_Actor_177,
+    Deh_Actor_178,
+    Deh_Actor_179,
+    Deh_Actor_180,
+    Deh_Actor_181,
+    Deh_Actor_182,
+    Deh_Actor_183,
+    Deh_Actor_184,
+    Deh_Actor_185,
+    Deh_Actor_186,
+    Deh_Actor_187,
+    Deh_Actor_188,
+    Deh_Actor_189,
+    Deh_Actor_190,
+    Deh_Actor_191,
+    Deh_Actor_192,
+    Deh_Actor_193,
+    Deh_Actor_194,
+    Deh_Actor_195,
+    Deh_Actor_196,
+    Deh_Actor_197,
+    Deh_Actor_198,
+    Deh_Actor_199,
+    Deh_Actor_200,
+    Deh_Actor_201,
+    Deh_Actor_202,
+    Deh_Actor_203,
+    Deh_Actor_204,
+    Deh_Actor_205,
+    Deh_Actor_206,
+    Deh_Actor_207,
+    Deh_Actor_208,
+    Deh_Actor_209,
+    Deh_Actor_210,
+    Deh_Actor_211,
+    Deh_Actor_212,
+    Deh_Actor_213,
+    Deh_Actor_214,
+    Deh_Actor_215,
+    Deh_Actor_216,
+    Deh_Actor_217,
+    Deh_Actor_218,
+    Deh_Actor_219,
+    Deh_Actor_220,
+    Deh_Actor_221,
+    Deh_Actor_222,
+    Deh_Actor_223,
+    Deh_Actor_224,
+    Deh_Actor_225,
+    Deh_Actor_226,
+    Deh_Actor_227,
+    Deh_Actor_228,
+    Deh_Actor_229,
+    Deh_Actor_230,
+    Deh_Actor_231,
+    Deh_Actor_232,
+    Deh_Actor_233,
+    Deh_Actor_234,
+    Deh_Actor_235,
+    Deh_Actor_236,
+    Deh_Actor_237,
+    Deh_Actor_238,
+    Deh_Actor_239,
+    Deh_Actor_240,
+    Deh_Actor_241,
+    Deh_Actor_242,
+    Deh_Actor_243,
+    Deh_Actor_244,
+    Deh_Actor_245,
+    Deh_Actor_246,
+    Deh_Actor_247,
+    Deh_Actor_248,
+    Deh_Actor_249,
+    Deh_Actor_250
 };
 
 ThingBits
diff --git a/wadsrc/static/zscript.txt b/wadsrc/static/zscript.txt
index 921c9beb8b..00ac93fec8 100644
--- a/wadsrc/static/zscript.txt
+++ b/wadsrc/static/zscript.txt
@@ -87,6 +87,7 @@ version "4.2"
 #include "zscript/actors/doom/weaponrlaunch.zs"
 #include "zscript/actors/doom/weaponplasma.zs"
 #include "zscript/actors/doom/weaponbfg.zs"
+#include "zscript/actors/doom/dehacked.zs"
 
 #include "zscript/actors/doom/deadthings.zs"
 #include "zscript/actors/doom/doomammo.zs"
diff --git a/wadsrc/static/zscript/actors/doom/dehacked.zs b/wadsrc/static/zscript/actors/doom/dehacked.zs
new file mode 100644
index 0000000000..470fcb9223
--- /dev/null
+++ b/wadsrc/static/zscript/actors/doom/dehacked.zs
@@ -0,0 +1,243 @@
+// This file defines all empty placeholder content for recent Dehacked extensions.
+
+class Deh_Actor_145 : Actor {}
+class Deh_Actor_146 : Actor {}
+class Deh_Actor_147 : Actor {}
+class Deh_Actor_148 : Actor {}
+class Deh_Actor_149 : Actor {}
+class Deh_Actor_150 : Actor {}
+class Deh_Actor_151 : Actor {}
+class Deh_Actor_152 : Actor {}
+class Deh_Actor_153 : Actor {}
+class Deh_Actor_154 : Actor {}
+class Deh_Actor_155 : Actor {}
+class Deh_Actor_156 : Actor {}
+class Deh_Actor_157 : Actor {}
+class Deh_Actor_158 : Actor {}
+class Deh_Actor_159 : Actor {}
+class Deh_Actor_160 : Actor {}
+class Deh_Actor_161 : Actor {}
+class Deh_Actor_162 : Actor {}
+class Deh_Actor_163 : Actor {}
+class Deh_Actor_164 : Actor {}
+class Deh_Actor_165 : Actor {}
+class Deh_Actor_166 : Actor {}
+class Deh_Actor_167 : Actor {}
+class Deh_Actor_168 : Actor {}
+class Deh_Actor_169 : Actor {}
+class Deh_Actor_170 : Actor {}
+class Deh_Actor_171 : Actor {}
+class Deh_Actor_172 : Actor {}
+class Deh_Actor_173 : Actor {}
+class Deh_Actor_174 : Actor {}
+class Deh_Actor_175 : Actor {}
+class Deh_Actor_176 : Actor {}
+class Deh_Actor_177 : Actor {}
+class Deh_Actor_178 : Actor {}
+class Deh_Actor_179 : Actor {}
+class Deh_Actor_180 : Actor {}
+class Deh_Actor_181 : Actor {}
+class Deh_Actor_182 : Actor {}
+class Deh_Actor_183 : Actor {}
+class Deh_Actor_184 : Actor {}
+class Deh_Actor_185 : Actor {}
+class Deh_Actor_186 : Actor {}
+class Deh_Actor_187 : Actor {}
+class Deh_Actor_188 : Actor {}
+class Deh_Actor_189 : Actor {}
+class Deh_Actor_190 : Actor {}
+class Deh_Actor_191 : Actor {}
+class Deh_Actor_192 : Actor {}
+class Deh_Actor_193 : Actor {}
+class Deh_Actor_194 : Actor {}
+class Deh_Actor_195 : Actor {}
+class Deh_Actor_196 : Actor {}
+class Deh_Actor_197 : Actor {}
+class Deh_Actor_198 : Actor {}
+class Deh_Actor_199 : Actor {}
+class Deh_Actor_200 : Actor {}
+class Deh_Actor_201 : Actor {}
+class Deh_Actor_202 : Actor {}
+class Deh_Actor_203 : Actor {}
+class Deh_Actor_204 : Actor {}
+class Deh_Actor_205 : Actor {}
+class Deh_Actor_206 : Actor {}
+class Deh_Actor_207 : Actor {}
+class Deh_Actor_208 : Actor {}
+class Deh_Actor_209 : Actor {}
+class Deh_Actor_210 : Actor {}
+class Deh_Actor_211 : Actor {}
+class Deh_Actor_212 : Actor {}
+class Deh_Actor_213 : Actor {}
+class Deh_Actor_214 : Actor {}
+class Deh_Actor_215 : Actor {}
+class Deh_Actor_216 : Actor {}
+class Deh_Actor_217 : Actor {}
+class Deh_Actor_218 : Actor {}
+class Deh_Actor_219 : Actor {}
+class Deh_Actor_220 : Actor {}
+class Deh_Actor_221 : Actor {}
+class Deh_Actor_222 : Actor {}
+class Deh_Actor_223 : Actor {}
+class Deh_Actor_224 : Actor {}
+class Deh_Actor_225 : Actor {}
+class Deh_Actor_226 : Actor {}
+class Deh_Actor_227 : Actor {}
+class Deh_Actor_228 : Actor {}
+class Deh_Actor_229 : Actor {}
+class Deh_Actor_230 : Actor {}
+class Deh_Actor_231 : Actor {}
+class Deh_Actor_232 : Actor {}
+class Deh_Actor_233 : Actor {}
+class Deh_Actor_234 : Actor {}
+class Deh_Actor_235 : Actor {}
+class Deh_Actor_236 : Actor {}
+class Deh_Actor_237 : Actor {}
+class Deh_Actor_238 : Actor {}
+class Deh_Actor_239 : Actor {}
+class Deh_Actor_240 : Actor {}
+class Deh_Actor_241 : Actor {}
+class Deh_Actor_242 : Actor {}
+class Deh_Actor_243 : Actor {}
+class Deh_Actor_244 : Actor {}
+class Deh_Actor_245 : Actor {}
+class Deh_Actor_246 : Actor {}
+class Deh_Actor_247 : Actor {}
+class Deh_Actor_248 : Actor {}
+class Deh_Actor_249 : Actor {}
+class Deh_Actor_250 : Actor 
+{
+	States
+	{
+	Deh:
+		PLAY O 5;
+		PLAY P 5 A_SkullPop;
+		PLAY Q 5 A_Fall;
+		PLAY RSTUV 5;
+		PLAY W -1;							// 1084
+		BLD2 AAAAAAAAAAAAAAAA 0;			// 1100
+		SP00 AAAAAAAAAAAAAAAAAAAAAAAAA 0;
+		SP01 AAAAAAAAAAAAAAAAAAAAAAAAA 0;
+		SP02 AAAAAAAAAAAAAAAAAAAAAAAAA 0;
+		SP03 AAAAAAAAAAAAAAAAAAAAAAAAA 0;
+		SP04 AAAAAAAAAAAAAAAAAAAAAAAAA 0;
+		SP05 AAAAAAAAAAAAAAAAAAAAAAAAA 0;
+		SP06 AAAAAAAAAAAAAAAAAAAAAAAAA 0;
+		SP07 AAAAAAAAAAAAAAAAAAAAAAAAA 0;
+		SP08 AAAAAAAAAAAAAAAAAAAAAAAAA 0;
+		SP09 AAAAAAAAAAAAAAAAAAAAAAAAA 0;
+		SP10 AAAAAAAAAAAAAAAAAAAAAAAAA 0;
+		SP11 AAAAAAAAAAAAAAAAAAAAAAAAA 0;
+		SP12 AAAAAAAAAAAAAAAAAAAAAAAAA 0;
+		SP13 AAAAAAAAAAAAAAAAAAAAAAAAA 0;
+		SP14 AAAAAAAAAAAAAAAAAAAAAAAAA 0;
+		SP15 AAAAAAAAAAAAAAAAAAAAAAAAA 0;
+		SP16 AAAAAAAAAAAAAAAAAAAAAAAAA 0;
+		SP17 AAAAAAAAAAAAAAAAAAAAAAAAA 0;
+		SP18 AAAAAAAAAAAAAAAAAAAAAAAAA 0;
+		SP19 AAAAAAAAAAAAAAAAAAAAAAAAA 0;	// 1600
+		
+		SP20 AAAAAAAAAAAAAAAAAAAAAAAAA 0;
+		SP21 AAAAAAAAAAAAAAAAAAAAAAAAA 0;
+		SP22 AAAAAAAAAAAAAAAAAAAAAAAAA 0;
+		SP23 AAAAAAAAAAAAAAAAAAAAAAAAA 0;
+		SP24 AAAAAAAAAAAAAAAAAAAAAAAAA 0;
+		SP25 AAAAAAAAAAAAAAAAAAAAAAAAA 0;
+		SP26 AAAAAAAAAAAAAAAAAAAAAAAAA 0;
+		SP27 AAAAAAAAAAAAAAAAAAAAAAAAA 0;
+		SP28 AAAAAAAAAAAAAAAAAAAAAAAAA 0;
+		SP29 AAAAAAAAAAAAAAAAAAAAAAAAA 0;
+		SP30 AAAAAAAAAAAAAAAAAAAAAAAAA 0;
+		SP31 AAAAAAAAAAAAAAAAAAAAAAAAA 0;
+		SP32 AAAAAAAAAAAAAAAAAAAAAAAAA 0;
+		SP33 AAAAAAAAAAAAAAAAAAAAAAAAA 0;
+		SP34 AAAAAAAAAAAAAAAAAAAAAAAAA 0;
+		SP35 AAAAAAAAAAAAAAAAAAAAAAAAA 0;
+		SP36 AAAAAAAAAAAAAAAAAAAAAAAAA 0;
+		SP37 AAAAAAAAAAAAAAAAAAAAAAAAA 0;
+		SP38 AAAAAAAAAAAAAAAAAAAAAAAAA 0;
+		SP39 AAAAAAAAAAAAAAAAAAAAAAAAA 0;	// 2100
+		
+		SP40 AAAAAAAAAAAAAAAAAAAAAAAAA 0;
+		SP41 AAAAAAAAAAAAAAAAAAAAAAAAA 0;
+		SP42 AAAAAAAAAAAAAAAAAAAAAAAAA 0;
+		SP43 AAAAAAAAAAAAAAAAAAAAAAAAA 0;
+		SP44 AAAAAAAAAAAAAAAAAAAAAAAAA 0;
+		SP45 AAAAAAAAAAAAAAAAAAAAAAAAA 0;
+		SP46 AAAAAAAAAAAAAAAAAAAAAAAAA 0;
+		SP47 AAAAAAAAAAAAAAAAAAAAAAAAA 0;
+		SP48 AAAAAAAAAAAAAAAAAAAAAAAAA 0;
+		SP49 AAAAAAAAAAAAAAAAAAAAAAAAA 0;
+		SP50 AAAAAAAAAAAAAAAAAAAAAAAAA 0;
+		SP51 AAAAAAAAAAAAAAAAAAAAAAAAA 0;
+		SP52 AAAAAAAAAAAAAAAAAAAAAAAAA 0;
+		SP53 AAAAAAAAAAAAAAAAAAAAAAAAA 0;
+		SP54 AAAAAAAAAAAAAAAAAAAAAAAAA 0;
+		SP55 AAAAAAAAAAAAAAAAAAAAAAAAA 0;
+		SP56 AAAAAAAAAAAAAAAAAAAAAAAAA 0;
+		SP57 AAAAAAAAAAAAAAAAAAAAAAAAA 0;
+		SP58 AAAAAAAAAAAAAAAAAAAAAAAAA 0;
+		SP59 AAAAAAAAAAAAAAAAAAAAAAAAA 0;	// 2600
+		
+		SP60 AAAAAAAAAAAAAAAAAAAAAAAAA 0;
+		SP61 AAAAAAAAAAAAAAAAAAAAAAAAA 0;
+		SP62 AAAAAAAAAAAAAAAAAAAAAAAAA 0;
+		SP63 AAAAAAAAAAAAAAAAAAAAAAAAA 0;
+		SP64 AAAAAAAAAAAAAAAAAAAAAAAAA 0;
+		SP65 AAAAAAAAAAAAAAAAAAAAAAAAA 0;
+		SP66 AAAAAAAAAAAAAAAAAAAAAAAAA 0;
+		SP67 AAAAAAAAAAAAAAAAAAAAAAAAA 0;
+		SP68 AAAAAAAAAAAAAAAAAAAAAAAAA 0;
+		SP69 AAAAAAAAAAAAAAAAAAAAAAAAA 0;
+		SP70 AAAAAAAAAAAAAAAAAAAAAAAAA 0;
+		SP71 AAAAAAAAAAAAAAAAAAAAAAAAA 0;
+		SP72 AAAAAAAAAAAAAAAAAAAAAAAAA 0;
+		SP73 AAAAAAAAAAAAAAAAAAAAAAAAA 0;
+		SP74 AAAAAAAAAAAAAAAAAAAAAAAAA 0;
+		SP75 AAAAAAAAAAAAAAAAAAAAAAAAA 0;
+		SP76 AAAAAAAAAAAAAAAAAAAAAAAAA 0;
+		SP77 AAAAAAAAAAAAAAAAAAAAAAAAA 0;
+		SP78 AAAAAAAAAAAAAAAAAAAAAAAAA 0;
+		SP79 AAAAAAAAAAAAAAAAAAAAAAAAA 0;	// 3100
+		
+		SP80 AAAAAAAAAAAAAAAAAAAAAAAAA 0;
+		SP81 AAAAAAAAAAAAAAAAAAAAAAAAA 0;
+		SP82 AAAAAAAAAAAAAAAAAAAAAAAAA 0;
+		SP83 AAAAAAAAAAAAAAAAAAAAAAAAA 0;
+		SP84 AAAAAAAAAAAAAAAAAAAAAAAAA 0;
+		SP85 AAAAAAAAAAAAAAAAAAAAAAAAA 0;
+		SP86 AAAAAAAAAAAAAAAAAAAAAAAAA 0;
+		SP87 AAAAAAAAAAAAAAAAAAAAAAAAA 0;
+		SP88 AAAAAAAAAAAAAAAAAAAAAAAAA 0;
+		SP89 AAAAAAAAAAAAAAAAAAAAAAAAA 0;
+		SP90 AAAAAAAAAAAAAAAAAAAAAAAAA 0;
+		SP91 AAAAAAAAAAAAAAAAAAAAAAAAA 0;
+		SP92 AAAAAAAAAAAAAAAAAAAAAAAAA 0;
+		SP93 AAAAAAAAAAAAAAAAAAAAAAAAA 0;
+		SP94 AAAAAAAAAAAAAAAAAAAAAAAAA 0;
+		SP95 AAAAAAAAAAAAAAAAAAAAAAAAA 0;
+		SP96 AAAAAAAAAAAAAAAAAAAAAAAAA 0;
+		SP97 AAAAAAAAAAAAAAAAAAAAAAAAA 0;
+		SP98 AAAAAAAAAAAAAAAAAAAAAAAAA 0;
+		SP99 AAAAAAAAAAAAAAAAAAAAAAAAA 0;	// 3600
+
+		SP80 AAAAAAAAAAAAAAAAAAAAAAAAA 0;
+		SP81 AAAAAAAAAAAAAAAAAAAAAAAAA 0;
+		SP82 AAAAAAAAAAAAAAAAAAAAAAAAA 0;
+		SP83 AAAAAAAAAAAAAAAAAAAAAAAAA 0;
+		SP84 AAAAAAAAAAAAAAAAAAAAAAAAA 0;
+		SP85 AAAAAAAAAAAAAAAAAAAAAAAAA 0;
+		SP86 AAAAAAAAAAAAAAAAAAAAAAAAA 0;
+		SP87 AAAAAAAAAAAAAAAAAAAAAAAAA 0;
+		SP88 AAAAAAAAAAAAAAAAAAAAAAAAA 0;
+		SP89 AAAAAAAAAAAAAAAAAAAAAAAAA 0;
+		SP90 AAAAAAAAAAAAAAAAAAAAAAAAA 0;
+		SP91 AAAAAAAAAAAAAAAAAAAAAAAAA 0;
+		SP92 AAAAAAAAAAAAAAAAAAAAAAAAA 0;
+		SP93 AAAAAAAAAAAAAAAAAAAAAAAAA 0;
+		SP94 AAAAAAAAAAAAAAAAAAAAAAAAA 0;
+		SP95 AAAAAAAAAAAAAAAAAAAAAAAAA 0;	// 4000
+
+	}  
+}
+       
\ No newline at end of file