diff --git a/bionics.cpp b/bionics.cpp
index 8403a025e982a..6b6287ca2282d 100644
--- a/bionics.cpp
+++ b/bionics.cpp
@@ -220,6 +220,9 @@ void player::activate_bionic(int b, game *g)
    pkill = pain;
  } else if (bio.id == "bio_nanobots"){
   healall(4);
+ } else if (bio.id == "bio_night"){
+  if (g->turn % 5)
+    g->add_msg("Artificial night generator active!");
  } else if (bio.id == "bio_resonator"){
   g->sound(posx, posy, 30, "VRRRRMP!");
   for (int i = posx - 1; i <= posx + 1; i++) {
@@ -1045,6 +1048,9 @@ Interfaces your power system with the internal charging port on suits of power a
 The Mk. II was designed by DoubleTech Inc., to meet the popularity of the Mk. II\n\
 power armor series.");
 
+    bionics["bio_night"] = new bionic_data("Artificial Night Generator", false, true, 1, 2, "\
+Destructive interference eliminates all light within a 15 tile radius.");
+
     bionics["bio_flashbang"] = new bionic_data("Flashbang Generator", false, true, 5, 0, "\
 Light emitting diodes integrated into your skin can release a flash comparable\n\
 to a flashbang grenade, blinding nearby enemies. Speakers integrated into your\n\
diff --git a/game.cpp b/game.cpp
index 4be27c5f36a21..19daa84e71c2d 100644
--- a/game.cpp
+++ b/game.cpp
@@ -3837,7 +3837,7 @@ bool game::sees_u(int x, int y, int &t)
  if( range <= 0)
   range = 1;
 
- return (!u.has_active_bionic("bio_cloak") &&
+ return ((!u.has_active_bionic("bio_cloak") || !u.has_active_bionic("bio_night")) &&
          !u.has_artifact_with(AEP_INVISIBLE) &&
          m.sees(x, y, u.posx, u.posy, range, t));
 }
@@ -3852,7 +3852,9 @@ bool game::u_see(int x, int y)
  else if (wanted_range <= u.sight_range(light_level()) ||
           (wanted_range <= u.sight_range(DAYLIGHT_LEVEL) &&
             m.light_at(x, y) >= LL_LOW))
-     can_see = m.pl_sees(u.posx, u.posy, x, y, wanted_range);
+     can_see = m.pl_sees(u.posx, u.posy, x, y, wanted_range);
+     if (u.has_active_bionic("bio_night") && wanted_range < 15 && wanted_range > u.sight_range(1))
+        return false;
 
  return can_see;
 }
diff --git a/itypedef.cpp b/itypedef.cpp
index aef1f97b1be00..dc50113e7f809 100644
--- a/itypedef.cpp
+++ b/itypedef.cpp
@@ -349,7 +349,8 @@ BIO_SINGLE("bio_armor_legs", 3, 3500, c_cyan, 3);
 BIO_SINGLE("bio_face_mask", 1, 8500, c_magenta, 5);
 BIO_SINGLE("bio_scent_mask", 1, 8500, c_magenta, 5);
 BIO_SINGLE("bio_cloak", 1, 8500, c_magenta, 5);
-BIO_SINGLE("bio_fingerhack", 1, 3500, c_magenta, 2);
+BIO_SINGLE("bio_fingerhack", 1, 3500, c_magenta, 2);
+BIO_SINGLE("bio_night", 1, 8500, c_magenta, 5);
 // defensive
 BIO_SINGLE("bio_ads", 1, 9500, c_ltblue, 7);
 BIO_SINGLE("bio_ods", 1, 9500, c_ltblue, 7);
diff --git a/lightmap.cpp b/lightmap.cpp
index 35d55f36b055f..abc9d62fb54fd 100644
--- a/lightmap.cpp
+++ b/lightmap.cpp
@@ -172,6 +172,16 @@ void map::generate_lightmap(game* g)
      }
    }
  }
+ for(int sx = 0; sx < LIGHTMAP_CACHE_X; ++sx)
+ {
+    for(int sy = 0; sy < LIGHTMAP_CACHE_Y; ++sy)
+    {
+        if (g->u.has_active_bionic("bio_night") && rl_dist(sx, sy, g->u.posx, g->u.posy) < 15)
+        {
+            lm[sx][sy] = 0;
+        }
+    }
+ }
 }
 
 lit_level map::light_at(int dx, int dy)
diff --git a/map.cpp b/map.cpp
index 3cb858a29d0e7..993700f5db141 100644
--- a/map.cpp
+++ b/map.cpp
@@ -3082,7 +3082,8 @@ void map::draw(game *g, WINDOW* w, const point center)
     }
    }
 
-   if (dist > real_max_sight_range ||
+   if ((g->u.has_active_bionic("bio_night") && dist < 15 && dist > natural_sight_range) || // if bio_night active, blackout 15 tile radius around player
+       dist > real_max_sight_range ||
        (dist > light_sight_range &&
          (lit == LL_DARK ||
          (u_sight_impaired && lit != LL_BRIGHT) ||
diff --git a/mapitemsdef.cpp b/mapitemsdef.cpp
index f1d866d1ed1de..f8295f7868db0 100644
--- a/mapitemsdef.cpp
+++ b/mapitemsdef.cpp
@@ -628,7 +628,7 @@ void game::init_mapitems()
    "bio_membrane", "bio_gills",
    "bio_purifier", "bio_climate", "bio_heatsink", "bio_blood_filter",
    "bio_recycler", "bio_digestion", "bio_evap", "bio_water_extractor",
-   "bio_face_mask", "bio_scent_mask", "bio_cloak", "bio_fingerhack",
+   "bio_face_mask", "bio_scent_mask", "bio_cloak", "bio_fingerhack", "bio_night",
    "bio_carbon", "bio_armor_head", "bio_armor_torso",
    "bio_armor_arms", "bio_armor_legs",
    "bio_shock", "bio_heat_absorb", "bio_claws", "bio_shockwave",
@@ -717,7 +717,7 @@ void game::init_mapitems()
    "bio_carbon", "bio_armor_head", "bio_armor_torso",
    "bio_armor_arms", "bio_armor_legs",
    "bio_targeting", "bio_ground_sonar",
-   "bio_face_mask", "bio_scent_mask", "bio_cloak", "bio_fingerhack",
+   "bio_face_mask", "bio_scent_mask", "bio_cloak", "bio_fingerhack", "bio_night",
    "bio_nanobots", "bio_blood_anal",
    "bio_ads", "bio_ods",
    "bio_blaster", "bio_laser", "bio_emp", "bio_railgun", "bio_flashbang",