diff --git a/assets.h b/assets.h
index 473c802..b7d854f 100644
--- a/assets.h
+++ b/assets.h
@@ -43,7 +43,7 @@ static inline uint8_t SFG_getTexel(const uint8_t *texture, uint8_t x, uint8_t y)
     (texture[16 + (x * SFG_TEXTURE_SIZE + y) / 2] >> (4 * (y % 2 == 0))) & 0x0f];
 }
 
-SFG_PROGRAM_MEMORY uint8_t SFG_texturesWall[][SFG_TEXTURE_STORE_SIZE] =
+SFG_PROGRAM_MEMORY uint8_t SFG_wallTextures[][SFG_TEXTURE_STORE_SIZE] =
 {
   { // 0: white wooden planks
 4,21,5,3,20,0,2,26,6,18,57,65,1,16,17,49,0,1,0,3,32,1,33,0,161,64,1,16,64,3,3,
@@ -320,7 +320,7 @@ SFG_PROGRAM_MEMORY uint8_t SFG_texturesWall[][SFG_TEXTURE_STORE_SIZE] =
   }
 };
 
-SFG_PROGRAM_MEMORY uint8_t SFG_sprites[][SFG_TEXTURE_STORE_SIZE] =
+SFG_PROGRAM_MEMORY uint8_t SFG_itemSprites[][SFG_TEXTURE_STORE_SIZE] =
 {
   { // 0: barrel
 175,6,84,15,11,19,13,7,176,22,2,0,5,20,83,93,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,
@@ -347,7 +347,7 @@ SFG_PROGRAM_MEMORY uint8_t SFG_sprites[][SFG_TEXTURE_STORE_SIZE] =
   }
 };
 
-SFG_PROGRAM_MEMORY uint8_t SFG_backgrounds[][SFG_TEXTURE_STORE_SIZE] =
+SFG_PROGRAM_MEMORY uint8_t SFG_backgroundImages[][SFG_TEXTURE_STORE_SIZE] =
 {
   { // 0, city
 64,73,10,168,19,12,14,13,80,101,0,100,136,57,59,63,34,34,34,68,87,119,119,119,
@@ -441,7 +441,7 @@ SFG_PROGRAM_MEMORY uint8_t SFG_weaponImages[][SFG_TEXTURE_STORE_SIZE] =
   }
 };
 
-SFG_PROGRAM_MEMORY uint8_t SFG_effects[][SFG_TEXTURE_STORE_SIZE] =
+SFG_PROGRAM_MEMORY uint8_t SFG_effectSprites[][SFG_TEXTURE_STORE_SIZE] =
 {
   { // 0, explostion
 175,183,174,15,103,111,191,7,31,95,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,48,48,0,0,0,
diff --git a/assets/sprite_barrel.png b/assets/item_barrel.png
similarity index 100%
rename from assets/sprite_barrel.png
rename to assets/item_barrel.png
diff --git a/assets/item_health.png b/assets/item_health.png
new file mode 100644
index 0000000..3fb201c
Binary files /dev/null and b/assets/item_health.png differ
diff --git a/assets/enemy_3_attack.png b/assets/monster_destroyer_attack.png
similarity index 100%
rename from assets/enemy_3_attack.png
rename to assets/monster_destroyer_attack.png
diff --git a/assets/enemy_3_idle.png b/assets/monster_destroyer_idle.png
similarity index 100%
rename from assets/enemy_3_idle.png
rename to assets/monster_destroyer_idle.png
diff --git a/assets/enemy_3_walk.png b/assets/monster_destroyer_walk.png
similarity index 100%
rename from assets/enemy_3_walk.png
rename to assets/monster_destroyer_walk.png
diff --git a/assets/enemy_1_attack.png b/assets/monster_spider_attack.png
similarity index 100%
rename from assets/enemy_1_attack.png
rename to assets/monster_spider_attack.png
diff --git a/assets/enemy_1_idle.png b/assets/monster_spider_idle.png
similarity index 100%
rename from assets/enemy_1_idle.png
rename to assets/monster_spider_idle.png
diff --git a/assets/enemy_1_walk.png b/assets/monster_spider_walk.png
similarity index 100%
rename from assets/enemy_1_walk.png
rename to assets/monster_spider_walk.png
diff --git a/assets/enemy_2_attack.png b/assets/monster_warrior_attack.png
similarity index 100%
rename from assets/enemy_2_attack.png
rename to assets/monster_warrior_attack.png
diff --git a/assets/enemy_2_idle.png b/assets/monster_warrior_idle.png
similarity index 100%
rename from assets/enemy_2_idle.png
rename to assets/monster_warrior_idle.png
diff --git a/main.c b/main.c
index b0fffb2..815bf56 100755
--- a/main.c
+++ b/main.c
@@ -615,7 +615,7 @@ void SFG_pixelFunc(RCL_PixelInfo *pixel)
       (SFG_getTexel(
         textureIndex != 255 ?
           SFG_currentLevel.textures[textureIndex]:
-          SFG_texturesWall[SFG_currentLevel.levelPointer->doorTextureIndex],
+          SFG_wallTextures[SFG_currentLevel.levelPointer->doorTextureIndex],
         pixel->texCoords.x / 32,
         textureV / 32)
       ) :
@@ -655,7 +655,7 @@ void SFG_pixelFunc(RCL_PixelInfo *pixel)
   }
   else
   {
-    color = SFG_getTexel(SFG_backgrounds[0],
+    color = SFG_getTexel(SFG_backgroundImages[0],
     SFG_backgroundScaleMap[(pixel->position.x * SFG_RAYCASTING_SUBSAMPLE + SFG_backgroundScroll) % SFG_GAME_RESOLUTION_Y],
                                                                    // ^ TODO: get rid of mod?
     SFG_backgroundScaleMap[pixel->position.y]);
@@ -971,7 +971,7 @@ void SFG_setAndInitLevel(const SFG_Level *level)
 
   for (uint8_t i = 0; i < 7; ++i)
     SFG_currentLevel.textures[i] =
-      SFG_texturesWall[level->textureIndices[i]];
+      SFG_wallTextures[level->textureIndices[i]];
 
   SFG_LOG("initializing doors");
 
@@ -2140,7 +2140,7 @@ void SFG_drawWeapon(int16_t bobOffset)
         / animationLength;
   
     if (shotAnimationFrame < animationLength / 2)
-      SFG_blitImage(SFG_effects[0],
+      SFG_blitImage(SFG_effectSprites[0],
         SFG_WEAPON_IMAGE_POSITION_X,
         SFG_WEAPON_IMAGE_POSITION_Y - (SFG_TEXTURE_SIZE / 3) * SFG_WEAPON_IMAGE_SCALE + bobOffset,
         SFG_WEAPON_IMAGE_SCALE);
@@ -2250,7 +2250,7 @@ void SFG_draw()
             SFG_player.camera);
 
         if (p.depth > 0)
-          SFG_drawScaledSprite(SFG_sprites[0],
+          SFG_drawScaledSprite(SFG_itemSprites[0],
             p.position.x * SFG_RAYCASTING_SUBSAMPLE,p.position.y,
             RCL_perspectiveScale(SFG_GAME_RESOLUTION_Y / 2,p.depth),
             p.depth / (RCL_UNITS_PER_SQUARE * 2),p.depth);
@@ -2270,7 +2270,7 @@ void SFG_draw()
         RCL_mapToScreen(worldPosition,proj->position[2],SFG_player.camera);
        
       const uint8_t *s =
-        SFG_effects[proj->type == SFG_PROJECTILE_FIREBALL ? 1 : 0];
+        SFG_effectSprites[proj->type == SFG_PROJECTILE_FIREBALL ? 1 : 0];
 
       int16_t spriteSize = SFG_GAME_RESOLUTION_Y / 3;