diff --git a/.gitignore b/.gitignore
index e604ba8..409c74d 100644
--- a/.gitignore
+++ b/.gitignore
@@ -1,3 +1,4 @@
 /target
 *.bin
-*.sav
\ No newline at end of file
+*.sav
+*.ent
\ No newline at end of file
diff --git a/src/fot/entitylist.rs b/src/fot/entitylist.rs
index 8f00b10..46e5178 100644
--- a/src/fot/entitylist.rs
+++ b/src/fot/entitylist.rs
@@ -18,6 +18,10 @@ const DEFAULT_ENTITY_TAG: CTag<'static> = CTag {
     name: "<entity>",
     version: "2",
 };
+const DEFAULT_ENTITYFILE_TAG: CTag<'static> = CTag {
+    name: "<entity_file>",
+    version: "3",
+};
 
 pub struct EntityList {
     encoding: EntityEncoding,
@@ -27,7 +31,7 @@ pub struct EntityList {
     enc_size: usize,
 
     pub types: Vec<FString>,
-    pub entities: Vec<Entity>,
+    pub ents: Vec<Entity>,
 }
 
 impl EntityList {
@@ -59,6 +63,8 @@ impl EntityList {
         use EntityEncoding as EE;
         if self.encoding == EE::World && new == EE::File {
             self.entity_tag = Some(DEFAULT_ENTITY_TAG.to_tag());
+        } else if self.encoding == EE::File && new == EE::World {
+            self.entity_file_tag = Some(DEFAULT_ENTITYFILE_TAG.to_tag());
         }
     }
 }
@@ -73,7 +79,7 @@ impl DecoderCtx<EntityEncoding, EntityEncoding> for EntityList {
             unk1: 0,
             enc_size: 0,
             types: Vec::new(),
-            entities: Vec::new(),
+            ents: Vec::new(),
         };
 
         Ok(match ctx {
@@ -87,7 +93,7 @@ impl DecoderCtx<EntityEncoding, EntityEncoding> for EntityList {
                     }
 
                     let ent: Entity = rd.read_opt(0, &mut ent_list)?;
-                    ent_list.entities.push(ent);
+                    ent_list.ents.push(ent);
                 }
 
                 ent_list.enc_size = rd.offset() - offset;
@@ -105,7 +111,7 @@ impl DecoderCtx<EntityEncoding, EntityEncoding> for EntityList {
                 ent_list.unk1 = rd.read_u32()?;
                 for _ in 1..ent_count {
                     let ent: Entity = rd.read_opt(0, &mut ent_list)?;
-                    ent_list.entities.push(ent);
+                    ent_list.ents.push(ent);
                 }
 
                 ent_list.enc_size = rd.offset() - offset;
@@ -118,7 +124,7 @@ impl DecoderCtx<EntityEncoding, EntityEncoding> for EntityList {
         let mut wd = WriteStream::new(self.get_enc_size());
         match ctx {
             EntityEncoding::File => {
-                for ent in self.entities.iter() {
+                for ent in self.ents.iter() {
                     wd.write(self.get_entity_tag())?;
                     wd.write_opt(ent, &self)?;
                 }
@@ -130,9 +136,9 @@ impl DecoderCtx<EntityEncoding, EntityEncoding> for EntityList {
                     wd.write(type_name)?;
                 }
 
-                wd.write_u16((self.entities.len() + 1) as u16)?;
+                wd.write_u16((self.ents.len() + 1) as u16)?;
                 wd.write_u32(self.unk1)?;
-                for ent in self.entities.iter() {
+                for ent in self.ents.iter() {
                     wd.write_opt(ent, &self)?;
                 }
             }
diff --git a/src/fot/world.rs b/src/fot/world.rs
index 1552d97..4725ca5 100644
--- a/src/fot/world.rs
+++ b/src/fot/world.rs
@@ -25,24 +25,18 @@ pub struct World {
     pub sgd: SGD,
     pub ssg: SSG,
 
-    pub ents: EntityList,
+    pub entlist: EntityList,
 }
 
 impl World {
     const WORLD_TAG_LEN: usize = 11;
     const WORLD_HDR_LEN: usize = 0x13;
 
-    pub fn test(&self) -> Result<()> {
-        let entfile_start: usize = 0x1038;
-        let raw1 = Raw {
-            offset: 0,
-            size: self.ents.get_enc_size(),
-            mem: self.data.mem[entfile_start..entfile_start + self.ents.get_enc_size()].to_vec(),
-        };
-        raw1.dump(Path::new("entfile1.bin"))?;
-
-        let raw2 = self.ents.encode(EntityEncoding::World)?;
-        raw2.dump(Path::new("entfile2.bin"))?;
+    pub fn test(&mut self) -> Result<()> {
+        self.entlist.convert(EntityEncoding::File);
+        self.entlist
+            .encode(EntityEncoding::File)?
+            .dump(Path::new("entlist.ent"))?;
 
         Ok(())
     }
@@ -70,7 +64,7 @@ impl Decoder for World {
         let sgd: SGD = rd.read(0)?;
         let ssg: SSG = rd.read(0)?;
 
-        let ents: EntityList = rd.read_opt(0, EntityEncoding::World)?;
+        let entlist: EntityList = rd.read_opt(0, EntityEncoding::World)?;
 
         Ok(World {
             tag,
@@ -79,7 +73,7 @@ impl Decoder for World {
             mission,
             sgd,
             ssg,
-            ents,
+            entlist,
         })
     }
 
diff --git a/src/main.rs b/src/main.rs
index 277f0e8..667ccf7 100644
--- a/src/main.rs
+++ b/src/main.rs
@@ -13,7 +13,7 @@ fn main() {
         None => "out.bin"
     };*/
 
-    let save = Save::load(Path::new(save_path)).expect("load save");
+    let mut save = Save::load(Path::new(save_path)).expect("load save");
     save.world.test().expect("test");
     //save.save(Path::new("out.sav")).expect("failed to save");
 }