diff --git a/source/games/duke/src/condef.h b/source/games/duke/src/condef.h
index a20985bca..685fbe82e 100644
--- a/source/games/duke/src/condef.h
+++ b/source/games/duke/src/condef.h
@@ -241,6 +241,9 @@ cmd(gmaxammo) 				// 191
 cmd(smaxammo) 				// 192
 cmd(mapvoxel) 				// 193
 cmd(startlevel) 			// 194
+cmd(shadeto) 				// 195
+cmd(ifplayersl) 			// 196
+cmd(endoflevel) 			// 197
 
 // RR Deer Huntin'. These are merely here for reference because the game is not supported.
 // cmd(iffindnewspot)
diff --git a/source/games/duke/src/gamedef.cpp b/source/games/duke/src/gamedef.cpp
index 332da843f..7646e535d 100644
--- a/source/games/duke/src/gamedef.cpp
+++ b/source/games/duke/src/gamedef.cpp
@@ -1308,6 +1308,7 @@ int ConCompiler::parsecommand()
 	case concmd_spawn:
 	case concmd_count:
 	case concmd_endofgame:
+	case concmd_endoflevel:
 	case concmd_spritepal:
 	case concmd_cactor:
 	case concmd_quote:
@@ -1585,6 +1586,7 @@ int ConCompiler::parsecommand()
 	case concmd_ifactorhealthl:
 	case concmd_ifsoundid:
 	case concmd_ifsounddist:
+	case concmd_ifplayersl:
 		transnum(tw == concmd_ifai? LABEL_AI : tw == concmd_ifaction? LABEL_ACTION : tw == concmd_ifmove? LABEL_MOVE : LABEL_DEFINE);
 		[[fallthrough]];
 	case concmd_ifonwater:
@@ -3067,6 +3069,11 @@ int ConCompiler::parsecommand()
 		return 0;
 
 
+	case concmd_shadeto:
+		popscriptvalue();
+		transnum(LABEL_DEFINE);
+		popscriptvalue();
+		break;
 	}
 	return 0;
 }