diff --git a/source/duke3d/src/gamedef.cpp b/source/duke3d/src/gamedef.cpp
index 93a0ecaf9..90564963a 100644
--- a/source/duke3d/src/gamedef.cpp
+++ b/source/duke3d/src/gamedef.cpp
@@ -575,6 +575,8 @@ const char *keyw[] =
     "scalevar",                 // 401
     "undefinegamefunc",         // 402
     "getclosestcol",            // 403
+    "drawline256",              // 404
+    "drawlinergb",              // 405
     "<null>"
 };
 #endif
@@ -3607,9 +3609,14 @@ DO_DEFSTATE:
             continue;
 
         case CON_HITRADIUSVAR:
+        case CON_DRAWLINE256:
             C_GetManyVars(5);
             continue;
 
+        case CON_DRAWLINERGB:
+            C_GetManyVars(6);
+            continue;
+
         case CON_HITRADIUS:
             C_GetNextValue(LABEL_DEFINE);
             C_GetNextValue(LABEL_DEFINE);
diff --git a/source/duke3d/src/gamedef.h b/source/duke3d/src/gamedef.h
index ebc46cf0f..3494bcebc 100644
--- a/source/duke3d/src/gamedef.h
+++ b/source/duke3d/src/gamedef.h
@@ -1137,6 +1137,8 @@ enum ScriptKeywords_t
     CON_SCALEVAR,           // 401
     CON_UNDEFINEGAMEFUNC,   // 402
     CON_GETCLOSESTCOL,      // 403
+    CON_DRAWLINE256,        // 404
+    CON_DRAWLINERGB,        // 405
     CON_END
 };
 // KEEPINSYNC with the keyword list in lunatic/con_lang.lua
diff --git a/source/duke3d/src/gameexec.cpp b/source/duke3d/src/gameexec.cpp
index 4287a96d9..4a2777495 100644
--- a/source/duke3d/src/gameexec.cpp
+++ b/source/duke3d/src/gameexec.cpp
@@ -21,6 +21,8 @@ Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA.
 //-------------------------------------------------------------------------
 
 #include "compat.h"
+#include "colmatch.h"
+
 #include "duke3d.h"
 
 #include "scriplib.h"
@@ -4899,6 +4901,36 @@ finish_qsprintf:
             }
             continue;
 
+        case CON_DRAWLINE256:
+            insptr++;
+            {
+                struct {
+                    vec2_t pos[2];
+                    int32_t index;
+                } v;
+
+                Gv_GetManyVars(sizeof(v)/sizeof(int32_t), (int32_t *)&v);
+
+                drawline256(v.pos[0].x, v.pos[0].y, v.pos[1].x, v.pos[1].y, v.index);
+            }
+            continue;
+
+        case CON_DRAWLINERGB:
+            insptr++;
+            {
+                struct {
+                    vec2_t pos[2];
+                    int32_t index, rgb;
+                } v;
+
+                Gv_GetManyVars(sizeof(v)/sizeof(int32_t), (int32_t *)&v);
+
+                palette_t const p = { (uint8_t)(v.rgb & 0xFF), (uint8_t)((v.rgb >> 8) & 0xFF), (uint8_t)((v.rgb >> 16) & 0xFF), (uint8_t)v.index };
+
+                drawlinergb(v.pos[0].x, v.pos[0].y, v.pos[1].x, v.pos[1].y, p);
+            }
+            continue;
+
         case CON_INV:
             if ((aGameVars[*(insptr + 1)].flags & (GAMEVAR_USER_MASK | GAMEVAR_PTR_MASK)) == 0)
                 aGameVars[*(insptr + 1)].global = -aGameVars[*(insptr + 1)].global;