diff --git a/include/corelib.h b/include/corelib.h
index e121a33..f31619a 100644
--- a/include/corelib.h
+++ b/include/corelib.h
@@ -361,8 +361,7 @@ public:
    }
 };
 
-class SimpleColor final : private NonCopyable 
-{
+class SimpleColor final : private NonCopyable {
 public:
    int red, green, blue;
 
diff --git a/include/engine.h b/include/engine.h
index a6b9bb3..8aa6c61 100644
--- a/include/engine.h
+++ b/include/engine.h
@@ -54,7 +54,11 @@ enum NetMsgId {
    NETMSG_SENDAUDIO = 17,
    NETMSG_SAYTEXT = 18,
    NETMSG_BOTVOICE = 19,
-   NETMSG_NUM = 21
+   NETMSG_NVGTOGGLE = 20,
+   NETMSG_FLASHBAT = 21,
+   NETMSG_FLASHLIGHT = 22,
+   NETMSG_ITEMSTATUS = 23,
+   NETMSG_NUM = 25
 };
 
 // variable reg pair
@@ -418,7 +422,7 @@ public:
    void animateLight (void);
 
    float getLightLevel (const Vector &point);
-   float getSkiesColor (void);
+   float getSkyColor (void);
 
 private:
    template <typename S, typename M> bool recursiveLightPoint (const M *node, const Vector &start, const Vector &end);
diff --git a/include/yapb.h b/include/yapb.h
index 9a80def..010b712 100644
--- a/include/yapb.h
+++ b/include/yapb.h
@@ -287,6 +287,7 @@ enum BuyState {
    BUYSTATE_GRENADES,
    BUYSTATE_DEFUSER,
    BUYSTATE_AMMO,
+   BUYSTATE_NIGHTVISION,
    BUYSTATE_FINISHED
 };
 
@@ -947,6 +948,7 @@ private:
    void filterGoals (const IntArray &goals, int *result);
    void processPickups (void);
    void checkTerrain (float movedDistance, const Vector &dirNormal);
+   void checkDarkness (void);
    bool doPlayerAvoidance (const Vector &normal);
 
    void getCampDir (Vector *dest);
@@ -1109,20 +1111,24 @@ public:
 
    bool m_ignoreBuyDelay; // when reaching buyzone in the middle of the round don't do pauses
    bool m_inBombZone; // bot in the bomb zone or not
-   int m_buyState; // current Count in Buying
+   int m_buyState; // current count in buying
    float m_nextBuyTime; // next buy time
+   float m_checkDarkTime; // check for darkness time
 
    bool m_inBuyZone; // bot currently in buy zone
    bool m_inVIPZone; // bot in the vip satefy zone
    bool m_buyingFinished; // done with buying
    bool m_buyPending; // bot buy is pending
    bool m_hasDefuser; // does bot has defuser
+   bool m_hasNVG; // does bot has nightvision goggles
+   bool m_usesNVG; // does nightvision goggles turned on
    bool m_hasC4; // does bot has c4 bomb
    bool m_hasProgressBar; // has progress bar on a HUD
    bool m_jumpReady; // is double jump ready
    bool m_canChooseAimDirection; // can choose aiming direction
    float m_turnAwayFromFlashbang; // bot turned away from flashbang
 
+   float m_flashLevel; // flashlight level
    float m_blindTime; // time when bot is blinded
    float m_blindMoveSpeed; // mad speeds when bot is blind
    float m_blindSidemoveSpeed; // mad side move speeds when bot is blind
diff --git a/source/basecode.cpp b/source/basecode.cpp
index a97f0b9..f2c6774 100644
--- a/source/basecode.cpp
+++ b/source/basecode.cpp
@@ -31,8 +31,10 @@ ConVar yb_best_weapon_picker_type ("yb_best_weapon_picker_type", "1");
 
 // game console variables
 ConVar mp_c4timer ("mp_c4timer", nullptr, VT_NOREGISTER);
+ConVar mp_flashlight ("mp_flashlight", nullptr, VT_NOREGISTER);
 ConVar mp_buytime ("mp_buytime", nullptr, VT_NOREGISTER, true, "1");
 ConVar mp_footsteps ("mp_footsteps", nullptr, VT_NOREGISTER);
+
 ConVar sv_gravity ("sv_gravity", nullptr, VT_NOREGISTER);
 
 int Bot::getMsgQueue (void) {
@@ -1710,6 +1712,24 @@ void Bot::buyStuff (void) {
       }
       break;
 
+   case BUYSTATE_NIGHTVISION:
+      if (m_moneyAmount > 2500 && !m_hasNVG && rng.getInt (1, 100) < 30) {
+         float skyColor = illum.getSkyColor ();
+         float lightLevel = waypoints.getLightLevel (m_currentWaypointIndex);
+         
+         // if it's somewhat darkm do buy nightvision goggles
+         if ((skyColor >= 50.0f && lightLevel <= 15.0f) || (skyColor < 50.0f && lightLevel < 40.0f)) {
+            if (isOldGame) {
+               engine.execBotCmd (ent (), "buyequip;menuselect 7");
+            }
+            else {
+               engine.execBotCmd (ent (), "nvgs"); // use alias in steamcs
+            }
+            engine.print ("%s bought googles", STRING (pev->netname));
+         }
+      }
+      break;
+
    case BUYSTATE_AMMO: // buy enough primary & secondary ammo (do not check for money here)
       for (int i = 0; i <= 5; i++) {
          engine.execBotCmd (ent (), "buyammo%d", rng.getInt (1, 2)); // simulate human
@@ -2828,6 +2848,46 @@ void Bot::updateAimDir (void) {
    }
 }
 
+void Bot::checkDarkness (void) {
+
+   // do not check for darkness at the start of the round
+   if (m_spawnTime + 5.0f > engine.timebase () || !waypoints.exists (m_currentWaypointIndex)) {
+      return;
+   }
+
+   // do not check every frame
+   if (m_checkDarkTime + 2.5f > engine.timebase ()) {
+      return;
+   }
+
+   float lightLevel = waypoints.getLightLevel (m_currentWaypointIndex);
+   float skyColor = illum.getSkyColor ();
+
+   if (mp_flashlight.boolean () && !m_hasNVG) {
+      auto task = TaskID ();
+
+         if (!(pev->effects & EF_DIMLIGHT) && task != TASK_CAMP && task != TASK_ATTACK && m_heardSoundTime + 3.0f < engine.timebase () && m_flashLevel > 30.0f && ((skyColor > 50.0f && lightLevel < 10.0f) || (skyColor <= 50.0f && lightLevel < 40.0f))) {
+            pev->impulse = 100;
+         }
+         else if ((pev->effects & EF_DIMLIGHT) && (((lightLevel > 15.0f && skyColor > 50.0f) || (lightLevel > 45.0f && skyColor <= 50.0f)) || task == TASK_CAMP || task == TASK_ATTACK || m_flashLevel <= 0 || m_heardSoundTime + 3.0f >= engine.timebase ()))
+         {
+            pev->impulse = 100;
+         }
+   }
+   else if (m_hasNVG) {
+      if (pev->effects & EF_DIMLIGHT) {
+         pev->impulse = 100;
+      }
+      else if (!m_usesNVG && ((skyColor > 50.0f && lightLevel < 15.0f) || (skyColor <= 50.0f && lightLevel < 40.0f))) {
+         engine.execBotCmd (ent (), "nightvision");
+      }
+      else if (m_usesNVG  && ((lightLevel > 20.0f && skyColor > 50.0f) || (lightLevel > 45.0f && skyColor <= 50.0f))) {
+         engine.execBotCmd (ent (), "nightvision");
+      }
+   }
+   m_checkDarkTime = engine.timebase ();
+}
+
 void Bot::framePeriodic (void) {
    if (m_thinkFps <= engine.timebase ()) {
       // execute delayed think
@@ -4860,6 +4920,9 @@ void Bot::ai (void) {
       checkTerrain (movedDistance, dirNormal);
    }
 
+   // check the darkness
+   checkDarkness ();
+
    // must avoid a grenade?
    if (m_needAvoidGrenade != 0) {
       // don't duck to get away faster
diff --git a/source/engine.cpp b/source/engine.cpp
index e620044..8bbfd5d 100644
--- a/source/engine.cpp
+++ b/source/engine.cpp
@@ -849,10 +849,7 @@ void Engine::processMessages (void *ptr) {
 
       case 1:
          if (bot != nullptr) {
-            if (strcmp (strVal, "defuser") == 0) {
-               bot->m_hasDefuser = (enabled != 0);
-            }
-            else if (strcmp (strVal, "buyzone") == 0) {
+            if (strcmp (strVal, "buyzone") == 0) {
                bot->m_inBuyZone = (enabled != 0);
 
                // try to equip in buyzone
@@ -1102,6 +1099,31 @@ void Engine::processMessages (void *ptr) {
       }
       break;
 
+   case NETMSG_ITEMSTATUS:
+      if (bot != nullptr && m_msgBlock.state == 0) {
+
+         enum ItemStatus {
+            IS_NIGHTVISION = (1 << 0),
+            IS_DEFUSEKIT = (1 << 1)
+         };
+
+         bot->m_hasNVG = (intVal & IS_NIGHTVISION) ? true : false;
+         bot->m_hasDefuser = (intVal & IS_DEFUSEKIT) ? true : false;
+      }
+      break;
+
+   case NETMSG_FLASHBAT:
+      if (bot != nullptr && m_msgBlock.state == 0) {
+         bot->m_flashLevel = static_cast <float> (intVal);
+      }
+      break;
+
+   case NETMSG_NVGTOGGLE:
+      if (bot != nullptr && m_msgBlock.state == 0) {
+         bot->m_usesNVG = intVal > 0;
+      }
+      break;
+
    default:
       logEntry (true, LL_FATAL, "Network message handler error. Call to unrecognized message id (%d).\n", m_msgBlock.msg);
    }
@@ -1257,6 +1279,6 @@ float LightMeasure::getLightLevel (const Vector &point) {
    return !recursiveCheck () ? 0.0f : 100 * cr::sqrtf (cr::min (75.0f, static_cast <float> (m_point.avg ())) / 75.0f);
 }
 
-float LightMeasure::getSkiesColor (void) {
-   return sv_skycolor_r.flt () + sv_skycolor_g.flt () + sv_skycolor_b.flt ();
+float LightMeasure::getSkyColor (void) {
+   return (sv_skycolor_r.flt () + sv_skycolor_g.flt () + sv_skycolor_b.flt ()) / 3;
 }
diff --git a/source/interface.cpp b/source/interface.cpp
index 5dd05d1..ca799f1 100644
--- a/source/interface.cpp
+++ b/source/interface.cpp
@@ -203,7 +203,7 @@ int handleBotCommands (edict_t *ent, const char *arg0, const char *arg1, const c
    }
    else if (stricmp (arg0, "glp") == 0) {
       for (int i = 0; i < waypoints.length (); i++) {
-         engine.print ("%d - %f - %f", i, waypoints.getLightLevel (i), illum.getSkiesColor ());
+         engine.print ("%d - %f - %f", i, waypoints.getLightLevel (i), illum.getSkyColor ());
       }
    }
 
@@ -2428,23 +2428,32 @@ void pfnMessageBegin (int msgDest, int msgType, const float *origin, edict_t *ed
    
    // store the message type in our own variables, since the GET_USER_MSG_ID () will just do a lot of strcmp()'s...
    if ((g_gameFlags & GAME_METAMOD) && engine.getMessageId (NETMSG_MONEY) == -1) {
-      engine.setMessageId (NETMSG_VGUI, GET_USER_MSG_ID (PLID, "VGUIMenu", nullptr));
-      engine.setMessageId (NETMSG_SHOWMENU, GET_USER_MSG_ID (PLID, "ShowMenu", nullptr));
-      engine.setMessageId (NETMSG_WEAPONLIST, GET_USER_MSG_ID (PLID, "WeaponList", nullptr));
-      engine.setMessageId (NETMSG_CURWEAPON, GET_USER_MSG_ID (PLID, "CurWeapon", nullptr));
-      engine.setMessageId (NETMSG_AMMOX, GET_USER_MSG_ID (PLID, "AmmoX", nullptr));
-      engine.setMessageId (NETMSG_AMMOPICKUP, GET_USER_MSG_ID (PLID, "AmmoPickup", nullptr));
-      engine.setMessageId (NETMSG_DAMAGE, GET_USER_MSG_ID (PLID, "Damage", nullptr));
-      engine.setMessageId (NETMSG_MONEY, GET_USER_MSG_ID (PLID, "Money", nullptr));
-      engine.setMessageId (NETMSG_STATUSICON, GET_USER_MSG_ID (PLID, "StatusIcon", nullptr));
-      engine.setMessageId (NETMSG_DEATH, GET_USER_MSG_ID (PLID, "DeathMsg", nullptr));
-      engine.setMessageId (NETMSG_SCREENFADE, GET_USER_MSG_ID (PLID, "ScreenFade", nullptr));
-      engine.setMessageId (NETMSG_HLTV, GET_USER_MSG_ID (PLID, "HLTV", nullptr));
-      engine.setMessageId (NETMSG_TEXTMSG, GET_USER_MSG_ID (PLID, "TextMsg", nullptr));
-      engine.setMessageId (NETMSG_TEAMINFO, GET_USER_MSG_ID (PLID, "TeamInfo", nullptr));
-      engine.setMessageId (NETMSG_BARTIME, GET_USER_MSG_ID (PLID, "BarTime", nullptr));
-      engine.setMessageId (NETMSG_SENDAUDIO, GET_USER_MSG_ID (PLID, "SendAudio", nullptr));
-      engine.setMessageId (NETMSG_SAYTEXT, GET_USER_MSG_ID (PLID, "SayText", nullptr));
+
+      auto setMsgId = [&] (const char *name, NetMsgId id) {
+         engine.setMessageId (id, GET_USER_MSG_ID (PLID, name, nullptr));
+      };
+
+      setMsgId ("VGUIMenu", NETMSG_VGUI);
+      setMsgId ("ShowMenu", NETMSG_SHOWMENU);
+      setMsgId ("WeaponList", NETMSG_WEAPONLIST);
+      setMsgId ("CurWeapon", NETMSG_CURWEAPON);
+      setMsgId ("AmmoX", NETMSG_AMMOX);
+      setMsgId ("AmmoPickup", NETMSG_AMMOPICKUP);
+      setMsgId ("Damage", NETMSG_DAMAGE);
+      setMsgId ("Money", NETMSG_MONEY);
+      setMsgId ("StatusIcon", NETMSG_STATUSICON);
+      setMsgId ("DeathMsg", NETMSG_DEATH);
+      setMsgId ("ScreenFade", NETMSG_SCREENFADE);
+      setMsgId ("HLTV", NETMSG_HLTV);
+      setMsgId ("TextMsg", NETMSG_TEXTMSG);
+      setMsgId ("TeamInfo", NETMSG_TEAMINFO);
+      setMsgId ("BarTime", NETMSG_BARTIME);
+      setMsgId ("SendAudio",  NETMSG_SENDAUDIO);
+      setMsgId ("SayText", NETMSG_SAYTEXT);
+      setMsgId ("FlashBat", NETMSG_FLASHBAT);
+      setMsgId ("Flashlight", NETMSG_FLASHLIGHT);
+      setMsgId ("NVGToggle", NETMSG_NVGTOGGLE);
+      setMsgId ("ItemStatus", NETMSG_ITEMSTATUS);
 
       if (g_gameFlags & GAME_SUPPORT_BOT_VOICE) {
          engine.setMessageId (NETMSG_BOTVOICE, GET_USER_MSG_ID (PLID, "BotVoice", nullptr));
@@ -2476,6 +2485,9 @@ void pfnMessageBegin (int msgDest, int msgType, const float *origin, edict_t *ed
          engine.captureMessage (msgType, NETMSG_BARTIME);
          engine.captureMessage (msgType, NETMSG_TEXTMSG);
          engine.captureMessage (msgType, NETMSG_SHOWMENU);
+         engine.captureMessage (msgType, NETMSG_FLASHBAT);
+         engine.captureMessage (msgType, NETMSG_NVGTOGGLE);
+         engine.captureMessage (msgType, NETMSG_ITEMSTATUS);
       }
    }
    else if (msgDest == MSG_ALL) {
@@ -2769,6 +2781,18 @@ int pfnRegUserMsg (const char *name, int size) {
    else if (strcmp (name, "BotVoice") == 0) {
       engine.setMessageId (NETMSG_BOTVOICE, message);
    }
+   else if (strcmp (name, "NVGToggle") == 0) {
+      engine.setMessageId (NETMSG_NVGTOGGLE, message);
+   }
+   else if (strcmp (name, "FlashBat") == 0) {
+      engine.setMessageId (NETMSG_FLASHBAT, message);
+   }
+   else if (strcmp (name, "Flashlight") == 0) {
+      engine.setMessageId (NETMSG_FLASHLIGHT, message);
+   }
+   else if (strcmp (name, "ItemStatus") == 0) {
+      engine.setMessageId (NETMSG_ITEMSTATUS, message);
+   }
    return message;
 }
 
diff --git a/source/manager.cpp b/source/manager.cpp
index dfb2749..30e78aa 100644
--- a/source/manager.cpp
+++ b/source/manager.cpp
@@ -1191,6 +1191,8 @@ void Bot::newRound (void) {
 
       m_currentWeapon = 0;
    }
+   m_flashLevel = 100.0f;
+   m_checkDarkTime = engine.timebase ();
 
    m_knifeAttackTime = engine.timebase () + rng.getFloat (1.3f, 2.6f);
    m_nextBuyTime = engine.timebase () + rng.getFloat (0.6f, 2.0f);