diff --git a/src/arguments.cc b/src/arguments.cc
index 3398a7d..a22205e 100644
--- a/src/arguments.cc
+++ b/src/arguments.cc
@@ -38,12 +38,10 @@ feature proc_args(int argc, char **argv,
                         result |= FEATURE_NCURSES;
                 } else if (str == "-r") {
                         result |= FEATURE_RAND_MAP;
-                } else if (str == "-m") {
-                        result |= FEATURE_MENU;
                 } else if (str == "-c") {
                         result |= FEATURE_ENEMIES_CHASE;
-                } else if (str == "-C") {
-                        result |= FEATURE_COLORFUL;
+                } else if (str == "-d") {
+                        result |= FEATURE_DOORS;
                 } else if (str == "-i") {
                         result |= FEATURE_INVENTORY;
                 } else if (str == "-t") {
@@ -167,8 +165,8 @@ void panic_args(feature panic) {
 void print_args_list() {
         static const char *ARGS_LIST = "-n        : Use ncurses for I/O\n\
 -r        : Randomly generate maps\n\
--m        : Enabled a main menu + options\n\
 -c        : Enemies chase the player (CAUTION: THEY CAN REALLY CHASE!!!)\n\
+-d        : Enemies can go through doors (CAUTION: DO NOT ENABLE WITH CHASING!)\n\
 -i        : Enable inventory (player can pick up potions)\n\
 -t        : Enable throw\n\
 -R        : Enable revisiting levels\n\
diff --git a/src/constants.h b/src/constants.h
index aee224f..fbaa5cc 100644
--- a/src/constants.h
+++ b/src/constants.h
@@ -114,12 +114,11 @@ static const feature FEATURE_THROW         = 1 << 4;
 static const feature FEATURE_REVISIT       = 1 << 5;
 static const feature FEATURE_WALK_OVER     = 1 << 6;
 static const feature FEATURE_SEED          = 1 << 7;
-static const feature FEATURE_MENU          = 1 << 8;
-static const feature FEATURE_IN_FILE       = 1 << 9;
-static const feature FEATURE_OUT_FILE      = 1 << 10;
-static const feature FEATURE_EXTRA_STUFF   = 1 << 11;
-static const feature FEATURE_EXTRA_LEVELS  = 1 << 12;
-static const feature FEATURE_COLORFUL      = 1 << 13;
+static const feature FEATURE_IN_FILE       = 1 << 8;
+static const feature FEATURE_OUT_FILE      = 1 << 9;
+static const feature FEATURE_EXTRA_STUFF   = 1 << 10;
+static const feature FEATURE_EXTRA_LEVELS  = 1 << 11;
+static const feature FEATURE_DOORS         = 1 << 12;
 
 static const feature FEATURE_PANIC_SEED    = 1 << 27;
 static const feature FEATURE_PANIC_FILE    = 1 << 28;
diff --git a/src/enemy.cc b/src/enemy.cc
index d94f9a2..40810c8 100644
--- a/src/enemy.cc
+++ b/src/enemy.cc
@@ -28,7 +28,9 @@ long_result enemy_base::act(level *lvl, character *pc, bool hostile) {
                 for (int i = 0; i < DIRECTION_CNT; ++i) {
                         tmp = pos + MOVE[i];
 
-                        if (lvl->is_available(tmp) &&
+                        if (((enabled_features & FEATURE_DOORS) ? true
+                             : lvl->get_room(tmp) == room_num) &&
+                            lvl->is_available(tmp) &&
                             distance_sqr(tmp, pc->get_pos()) <
                             distance_sqr(target, pc->get_pos()))
                                 target = tmp;
@@ -42,7 +44,7 @@ long_result enemy_base::act(level *lvl, character *pc, bool hostile) {
         position choices[DIRECTION_CNT];
 
         for (int i = 0; i < DIRECTION_CNT; ++i)
-                if (((enabled_features & FEATURE_ENEMIES_CHASE) ?
+                if (((enabled_features & FEATURE_DOORS) ?
                      true : lvl->get_room(pos + MOVE[i]) == room_num ) &&
                     lvl->is_available(pos + MOVE[i])) {
                         choices[choices_cnt] = pos + MOVE[i];