diff --git a/README.md b/README.md
index 64e5e97..1413111 100644
--- a/README.md
+++ b/README.md
@@ -25,6 +25,7 @@ idpool:is_alive -> id -> (boolean)
 
 ```
 registry.entity -> (entity)
+registry.guid -> entity -> (id)
 registry.is_alive -> entity -> (boolean)
 registry.destroy -> entity -> ()
 registry.get -> entity -> entity -> (any)
@@ -45,16 +46,17 @@ registry.components -> chunk -> entity -> (any[])
 ### Instance `entity`
 
 ```
-enity:is_alive -> (boolean)
-enity:destroy -> ()
-enity:get -> entity -> (any)
-enity:get_or -> entity -> any -> (any)
-enity:has -> entity -> (boolean)
-enity:has_all -> entity -> entity... -> (boolean)
-enity:has_any -> entity -> entity... -> (boolean)
-enity:assign -> entity -> any -> ()
-enity:insert -> entity -> any -> ()
-enity:remove -> entity -> ()
+entity:guid -> (id)
+entity:is_alive -> (boolean)
+entity:destroy -> ()
+entity:get -> entity -> (any)
+entity:get_or -> entity -> any -> (any)
+entity:has -> entity -> (boolean)
+entity:has_all -> entity -> entity... -> (boolean)
+entity:has_any -> entity -> entity... -> (boolean)
+entity:assign -> entity -> any -> ()
+entity:insert -> entity -> any -> ()
+entity:remove -> entity -> ()
 ```
 
 ### Instance `query`
diff --git a/evolved/registry.lua b/evolved/registry.lua
index 3f0b31d..5164a81 100644
--- a/evolved/registry.lua
+++ b/evolved/registry.lua
@@ -22,7 +22,7 @@ local __queries = {} ---@type table<evolved.entity, evolved.query[]>
 ---
 
 ---@class evolved.entity
----@field package __guid integer
+---@field package __guid evolved.id
 ---@field package __chunk? evolved.chunk
 ---@field package __index_in_chunk integer
 local evolved_entity_mt = {}
@@ -283,6 +283,13 @@ function registry.entity()
     return setmetatable(entity, evolved_entity_mt)
 end
 
+---@param entity evolved.entity
+---@return evolved.id
+---@nodiscard
+function registry.guid(entity)
+    return entity.__guid
+end
+
 ---@param entity evolved.entity
 ---@return boolean
 ---@nodiscard
@@ -546,6 +553,7 @@ function evolved_entity_mt:__tostring()
     return string.format('[%d;%d]', index, version)
 end
 
+evolved_entity_mt.guid = registry.guid
 evolved_entity_mt.is_alive = registry.is_alive
 evolved_entity_mt.destroy = registry.destroy
 evolved_entity_mt.get = registry.get