diff --git a/assets/level6.gif b/assets/level6.gif
index f347ac1..c0657b7 100644
Binary files a/assets/level6.gif and b/assets/level6.gif differ
diff --git a/constants.h b/constants.h
index 9918824..c593392 100644
--- a/constants.h
+++ b/constants.h
@@ -358,7 +358,6 @@
 #define SFG_CEILING_MAX_HEIGHT\
   (16 * RCL_UNITS_PER_SQUARE - RCL_UNITS_PER_SQUARE / 2 )
 
-#define SFG_DOOR_DEFAULT_STATE 0x1f
 #define SFG_DOOR_UP_DOWN_MASK 0x20
 #define SFG_DOOR_LOCK(doorRecord) ((doorRecord) >> 6)
 #define SFG_DOOR_VERTICAL_POSITION_MASK 0x1f
@@ -459,10 +458,10 @@
 uint16_t SFG_monsterAttributeTable[SFG_MONSTERS_TOTAL] =
 {
   /* spider  */ SFG_MONSTER_ATTRIBUTE(SFG_MONSTER_ATTACK_FIREBALL,40,61,2),
-  /* destr.  */ SFG_MONSTER_ATTRIBUTE(SFG_MONSTER_ATTACK_FIREBALL_BULLET,165,170,3),
+  /* destr.  */ SFG_MONSTER_ATTRIBUTE(SFG_MONSTER_ATTACK_FIREBALL_BULLET,90,170,3),
   /* warrior */ SFG_MONSTER_ATTRIBUTE(SFG_MONSTER_ATTACK_MELEE,255,40,1),
-  /* plasma  */ SFG_MONSTER_ATTRIBUTE(SFG_MONSTER_ATTACK_PLASMA,55,92,1),
-  /* ender   */ SFG_MONSTER_ATTRIBUTE(SFG_MONSTER_ATTACK_FIREBALL_PLASMA,75,255,3),
+  /* plasma  */ SFG_MONSTER_ATTRIBUTE(SFG_MONSTER_ATTACK_PLASMA,56,92,1),
+  /* ender   */ SFG_MONSTER_ATTRIBUTE(SFG_MONSTER_ATTACK_FIREBALL_PLASMA,128,255,3),
   /* turret  */ SFG_MONSTER_ATTRIBUTE(SFG_MONSTER_ATTACK_BULLET,32,23,0),
   /* explod. */ SFG_MONSTER_ATTRIBUTE(SFG_MONSTER_ATTACK_EXPLODE,255,36,1)
 };
@@ -513,7 +512,7 @@ uint16_t SFG_monsterAttributeTable[SFG_MONSTERS_TOTAL] =
 SFG_PROGRAM_MEMORY uint8_t SFG_weaponAttributeTable[SFG_WEAPONS_TOTAL] =
 {
   /* knife    */ SFG_WEAPON_ATTRIBUTE(SFG_WEAPON_FIRE_TYPE_MELEE,1,650),    // DPS: 6.2
-  /* shotgun  */ SFG_WEAPON_ATTRIBUTE(SFG_WEAPON_FIRE_TYPE_BULLET,2,1400),  // DPS: 11.4
+  /* shotgun  */ SFG_WEAPON_ATTRIBUTE(SFG_WEAPON_FIRE_TYPE_BULLET,2,1250),  // DPS: 12.8
   /* m. gun   */ SFG_WEAPON_ATTRIBUTE(SFG_WEAPON_FIRE_TYPE_BULLET,1,700),   // DPS: 11.4
   /* r. laun. */ SFG_WEAPON_ATTRIBUTE(SFG_WEAPON_FIRE_TYPE_FIREBALL,1,850), // DPS: 28.2
   /* plasma   */ SFG_WEAPON_ATTRIBUTE(SFG_WEAPON_FIRE_TYPE_PLASMA,1,550),   // DPS: 32.7
diff --git a/game.h b/game.h
index 9aee511..7fe951e 100755
--- a/game.h
+++ b/game.h
@@ -1497,7 +1497,7 @@ void SFG_setAndInitLevel(uint8_t levelNumber)
 
         d->coords[0] = i;
         d->coords[1] = j;
-        d->state = SFG_DOOR_DEFAULT_STATE;
+        d->state = 0x00;
 
         SFG_currentLevel.doorRecordCount++;
       }
diff --git a/main_sdl.c b/main_sdl.c
index 2c147c1..9acfb8d 100644
--- a/main_sdl.c
+++ b/main_sdl.c
@@ -28,14 +28,13 @@
 #define SFG_LOG(str) puts(str);
 
 //  #define SFG_START_LEVEL 6
-  #define SFG_IMMORTAL 1
+//  #define SFG_IMMORTAL 1
   #define SFG_UNLOCK_DOOR 1
 //  #define SFG_REVEAL_MAP 1
 //  #define SFG_INFINITE_AMMO 1
 
 //  #define SFG_SCREEN_RESOLUTION_X 80
 //  #define SFG_SCREEN_RESOLUTION_Y 64
-  #define SFG_SIMPLE_MENU 1
 
 /*
   SDL is easier to play thanks to nice controls, so make the player take full