diff --git a/attack.cpp b/attack.cpp
index b5b891e9..10421dd1 100644
--- a/attack.cpp
+++ b/attack.cpp
@@ -757,6 +757,11 @@ EX void killMonster(cell *c, eMonster who, flagtype deathflags IS(0)) {
     // a reward for killing him before he shoots!
     c->item = itOrbDragon;
     }
+  if(m == moAsteroid && !shmup::on && c->item == itNone && c->wall != waChasm) {
+    c->item = itAsteroid;
+    changes.value_add(splitrocks, 2);
+    }
+
   if(m == moOutlaw && (c->item == itNone || c->item == itRevolver) && c->wall != waChasm)
     c->item = itBounty;
   // note: an Orb appears underwater!
diff --git a/content.cpp b/content.cpp
index 53b1d9f8..a662e4ae 100644
--- a/content.cpp
+++ b/content.cpp
@@ -1569,9 +1569,9 @@ LAND( 0x30FF30, "Irradiated Field", laVariant, ZERO, itVarTreasure, RESERVED,
 
 LAND( 0x202020, "Space Rocks", laAsteroids, ZERO, itAsteroid, RESERVED, rock_description)
 ITEM( '!', 0xFFD0D0, "Fuel", itAsteroid, IC_TREASURE, ZERO, RESERVED, osNone, rock_description)
-MONSTER('A', 0x606040, "Space Rock", moAsteroid, ZERO, RESERVED, moAsteroid, rock_description)
+MONSTER('A', 0x606040, "Space Rock", moAsteroid, ZERO, RESERVED, moYeti, rock_description)
   NATIVE(m == moAsteroid ? 2 : 0)
-  REQ( NEVER )
+  REQ( ALWAYS )
   
 LAND( 0x00C0C0, "Wetland",    laWet, ZERO, itWet, RESERVED, 
   "Some people have definitely drowned in this treacherous area. Better be careful!"
diff --git a/landlock.cpp b/landlock.cpp
index b0adb5e7..078ed67b 100644
--- a/landlock.cpp
+++ b/landlock.cpp
@@ -564,6 +564,7 @@ EX eLand getNewLand(eLand old) {
 
   tab[cnt++] = laHalloween;
   tab[cnt++] = laWildWest;
+  tab[cnt++] = laAsteroids;
 
   // the advanced lands
   if(all_unlocked || gold() >= R60) {
diff --git a/monstergen.cpp b/monstergen.cpp
index ef5e57f5..29aa7b07 100644
--- a/monstergen.cpp
+++ b/monstergen.cpp
@@ -8,7 +8,7 @@
 #include "hyper.h"
 namespace hr {
 
-EX int avengers, mirrorspirits, wandering_jiangshi, jiangshi_on_screen;
+EX int avengers, mirrorspirits, wandering_jiangshi, jiangshi_on_screen, splitrocks;
 
 EX bool timerghost = true;
 EX bool gen_wandering = true;
@@ -562,6 +562,12 @@ EX void wandering() {
     
     else if(c->monst || c->pathdist == PINFD) break;
     
+    else if(c->land == laAsteroids && splitrocks && canReachPlayer(c, moYeti)) {
+      c->monst = moAsteroid;
+      splitrocks--;
+      continue;
+      }
+
     else if(c->land == laAsteroids) {
       int gen = 0;
       if(asteroids_generated * 12 <= items[itAsteroid]) gen = 2;
diff --git a/system.cpp b/system.cpp
index fe1f0661..4b5ff5e8 100644
--- a/system.cpp
+++ b/system.cpp
@@ -224,6 +224,8 @@ EX void initgame() {
   rosephase = 0;
   shmup::count_pauses = 0;
 
+  splitrocks = 0;
+
   if(firstland == laElementalWall) cwt.at->land = randomElementalLand();
   
   resetview();