diff --git a/.gitignore b/.gitignore
index e342c81..074b5d7 100644
--- a/.gitignore
+++ b/.gitignore
@@ -34,3 +34,5 @@
 build*/
 **/build
 .vscode
+
+.DS_Store
diff --git a/libraries/picosystem.hpp b/libraries/picosystem.hpp
index a4b2378..ba3b8b3 100644
--- a/libraries/picosystem.hpp
+++ b/libraries/picosystem.hpp
@@ -221,27 +221,71 @@ namespace picosystem {
 
   #ifndef NO_SPRITESHEET
   enum _sprites_ids {
+    // 00+
     CHERRY, APPLE, BANANA, ORANGE, AUBERGINE, CARROT, POTATO, LEAF,
+    // 08+
     PARSNIP, MEAT, BEAN, RADISH, STRAWBERRY, PUMPKIN, CUCUMBER, SALT1,
+    // 10+
     SWORD1, SWORD2, SWORD3, AXE1, DAGGER, MACE1, BOW, ARROW1,
+    // 18+
     ARROW2, ARROW3, TRIDENT1, SPEAR, TRIDENT2, MACHINEGUN, PISTOL, SHOTGUN,
+    // 20+
     GEM1, GEM2, GEM3, GEM4, GEM5, GEM6, AMULET, FOLDER,
+    // 28+
     COIN1, SKULL, TICK, CROSS, IDOL1, IDOL2, IDOL3, IDOL4,
+    // 30+
     SWEETCORN, BROCCOLI, BISCUIT, BERRIES, SCEPTRE, FIRE, LASERGUN1, LASERGUN2,
-    HELMET1, HELMET2, HELMET3, HELMET4, __1, __2, __3, __4,
-    HEART1, SLIME, COIN2, SWORD4, SWORD5, __5, DYNAMITE, MEDPACK,
+    // 38+
+    HELMET1, HELMET2, HELMET3, HELMET4, BOOT1, BOOT2, BOOT3, BOOT4,
+    // 40+
+    HEART1, SLIME, COIN2, SWORD4, SWORD5, __SPR_45, DYNAMITE, MEDPACK,
+    // 48+
     GOGGLES, HELMET5, BOMB, OILCAN, SHIRT1, SHIRT2, SPEECH, DREAM,
-    HEART2, HEART3, HEART4, __6, TORCH, ICE, __7, __8,
-    __9, __10, UPARROW, RING1, RING2, RING3, RING4, __11,
+    // 50+
+    HEART2, HEART3, HEART4, __SPR_53, TORCH, ICE, CARD, DIE,
+    // 58+
+    HELMET6, HELMET7, UPARROW, RING1, RING2, RING3, RING4, POUCH,
+    // 60+
     TOKEN, VIAL1, VIAL2, RING5, RING6, BLOCK1, BLOCK2, BLOCK3,
+    // 68+
     BLOCK4, BLOCK5, BLOCK6, BLOCK7, BLOCK8, BLOCK9, SHIELD1, SACK,
+    // 70+
     BUTTON, VIAL3, VIAL4, TOOTH, BONE, HALFBLOCK1, HALFBLOCK2, HALFBLOCK3,
+    // 78+
     HALFBLOCK4, HALFBLOCK5, HALFBLOCK6, HALFBLOCK7, HALFBLOCK8, HALFBLOCK9, SHIELD2, SHIELD3,
+    // 80+
     FLOWER1, FLOWER2, FLOWER3, FLOWER4, STAFF1, STAFF2, STAFF3, STICK1,
-    SPIKEBALL, MACE2, AXE2, __12, SWORD6, SWORD7, SWORD8, CROWN1,
+    // 88+
+    SPIKEBALL, MACE2, AXE2, __SPR_8B, SWORD6, SWORD7, SWORD8, CROWN1,
+    // 90+
     GOLD, GEM7, GEM8, GEM9, AXE3, MUSHROOM, SALT2, STICK2,
-    VIAL5, VIAL6, DOT, HELMET6, SWORD9, SWORD10, SWORD11, CROWN2
-        // etc... can we name all 256 built in sprites?!
+    // 98+
+    VIAL5, VIAL6, DOT, HELMET8, SWORD9, SWORD10, SWORD11, CROWN2,
+    // A0+
+    TOMATO, LEAF2, LEAF3, LEAF4, LEAF5, MUSHROOM2, STUMP, STAR,
+    // A8+
+    BIRD, BAUBLE, KEY1, KEY2, KEY3, __SPR_AC, NECKLACE1, NECKLACE2, NECKLACE3,
+    // B0+
+    CATERPILLAR, LEAF2E, LEAF3E, LEAF4E, LEAF5E, FLOWER5, FLOWER6, FLOWERS,
+    // B8+
+    DOLL, EYE, FISH, BURGER, LIGHT, NOTE, DROP, DIPPER,
+    // C0+
+    AVOCADO, VIAL7, VIAL8, VIAL9, VIAL10, CANDYCANE, EGG, SCYTHE1,
+    // C8+
+    SCYTHE2, SCYTHE3, CHEESE1, CHEESE2, CURSOR1, __SPR_CD, FIREBALL1, FIREBALL2,
+    // D0+
+    MEDIC, RING7, FLOWER7, FLOWER8, PAN, CONSOLE, HEADPHONES, BRICK1,
+    // D8+
+    BRICK2, BRICK3, SHRIMP, __SPR_DB, CURSOR2, BLUEDOT, __SPR_DE, __SPR_DF,
+    // E0+
+    BOOK, __SPR_E1, PHONE, ROSE, BLOCK10, BLOCK11, ICEBLOCK, ROCKET1,
+    // E8+
+    ROCKET2, BIRD2, GOBLIN, __SPR_EB, CARCAS, RETICLE, __SPR_EE, __SPR_EF,
+    // F0+
+    CLOCK, ALERT, __SPR_F2, QUESTION, BLOCK12, BLOCK13, HARP, CHECKER1,
+    // F8+
+    CHECKER2, FLAG1, FLAG2, FLAG3, FLAG4, STOP, MISSILE, BEAMSPLASH
+    // can we better name the __SPR_XX sprites?
   };
   #endif