diff --git a/src/packet/messages.rs b/src/packet/messages.rs
index f1142dd..3f0da52 100644
--- a/src/packet/messages.rs
+++ b/src/packet/messages.rs
@@ -124,12 +124,14 @@ pub struct PlayerChangedMap {
 
 #[pso_message(0x1F)]
 pub struct PlayerChangedMap2 {
-    map_area: u32,
+    map_area: u16,
+    _unknown1: u16,
 }
 
 #[pso_message(0x20)]
 pub struct TellOtherPlayerMyLocation {
-    map_area: u32,
+    map_area: u16,
+    _unknown1: u16,
     x: f32,
     y: f32,
     z: f32,
@@ -163,7 +165,7 @@ pub struct PlayerTeleported {
 #[pso_message(0x25)]
 pub struct PlayerEquipItem {
     item_id: u32,
-    variety: u8,
+    sub_menu: u8,
     unknown1: u16,
 }
 
@@ -193,7 +195,7 @@ pub struct PlayerSplitItemStack {
 #[pso_message(0x2A)]
 pub struct PlayerDropItem {
     unknown1: u16,
-    area: u16,
+    map_area: u16,
     item_id: u32,
     x: f32,
     y: f32,
@@ -277,7 +279,8 @@ pub struct PlayerSpawnedIntoArea {
 #[pso_message(0x3E)]
 pub struct PlayerStopped {
     unknown1: u32,
-    unknown2: u32,
+    area: u16,
+    room: u16,
     x: f32,
     y: f32,
     z: f32,
@@ -416,7 +419,7 @@ pub struct LobbyEmote {
 pub struct RemoveItemFromFloor {
     client_id: u8,
     unknown: u8,
-    area: u8,
+    map_area: u8,
     unknown2: u8,
     item_id: u32,
 }
@@ -424,12 +427,10 @@ pub struct RemoveItemFromFloor {
 #[pso_message(0x5A)]
 pub struct PickupItem  {
     item_id: u32,
-    area: u8,
+    map_area: u8,
     unknown: [u8; 3],
 }
 
-// this name may be a bit incorrect, it differs from ItemDrop only in that
-// it does not have a y as DropCoordinates only specifies an xz
 #[pso_message(0x5D)]
 pub struct DropSplitStack {
     pub map_area: u8,
@@ -455,7 +456,7 @@ pub struct DropSplitStack {
 
 #[pso_message(0x5F)]
 pub struct ItemDrop {
-    pub area: u8,
+    pub map_area: u8,
     pub variety: u8,
     pub unknown: u16,
     pub x: f32,
@@ -469,7 +470,7 @@ pub struct ItemDrop {
 
 #[pso_message(0x60)]
 pub struct RequestItem {
-    area: u8,
+    map_area: u8,
     pt_index: u8,
     enemy_id: u16,
     x: f32,
@@ -531,12 +532,13 @@ pub struct WordSelect {
 
 #[pso_message(0x75)]
 pub struct PlayerChangedFloor {
-    map: u32,
+    data: [u8; 4],
 }
 
 #[pso_message(0x76)]
 pub struct KillMonster {
-    data: [u8; 4],
+    map_area: u16,
+    data: [u8; 2],
 }
 
 //#[pso_message(0x77)]
@@ -791,7 +793,8 @@ pub struct GiveCharacterExp {
 
 #[pso_message(0xC3)]
 pub struct DropCoordinates {
-    map_area: u32,
+    map_area: u16,
+    room: u16,
     x: f32,
     z: f32,
     item_id: u32,