diff --git a/packages/lib/src/tests.rs b/packages/lib/src/tests.rs
index d9e351c..760ae49 100644
--- a/packages/lib/src/tests.rs
+++ b/packages/lib/src/tests.rs
@@ -116,13 +116,18 @@ create_tests! {
     roblox_datatype_vector2int16: "roblox/datatypes/Vector2int16",
     roblox_datatype_vector3: "roblox/datatypes/Vector3",
     roblox_datatype_vector3int16: "roblox/datatypes/Vector3int16",
+
     roblox_files_read_model: "roblox/files/readModelFile",
     roblox_files_read_place: "roblox/files/readPlaceFile",
     roblox_files_write_model: "roblox/files/writeModelFile",
     roblox_files_write_place: "roblox/files/writePlaceFile",
+
     roblox_instance_attributes: "roblox/instance/attributes",
+    roblox_instance_datamodel: "roblox/instance/datamodel",
     roblox_instance_new: "roblox/instance/new",
     roblox_instance_properties: "roblox/instance/properties",
+    roblox_instance_tags: "roblox/instance/tags",
+
     roblox_instance_methods_clear_all_children: "roblox/instance/methods/ClearAllChildren",
     roblox_instance_methods_clone: "roblox/instance/methods/Clone",
     roblox_instance_methods_destroy: "roblox/instance/methods/Destroy",
diff --git a/tests/roblox/instance/datamodel.luau b/tests/roblox/instance/datamodel.luau
new file mode 100644
index 0000000..f75e95b
--- /dev/null
+++ b/tests/roblox/instance/datamodel.luau
@@ -0,0 +1,24 @@
+local roblox = require("@lune/roblox") :: any
+local Instance = roblox.Instance
+
+local game = Instance.new("DataModel")
+
+assert(game:FindService("Workspace") == nil)
+assert(game:GetService("Workspace") ~= nil)
+assert(game:FindService("Workspace") ~= nil)
+
+assert(game:FindService("CSGDictionaryService") == nil)
+assert(game:GetService("CSGDictionaryService") ~= nil)
+assert(game:FindService("CSGDictionaryService") ~= nil)
+
+assert(not pcall(function()
+	game:GetService("wrorokspacey")
+end))
+
+assert(not pcall(function()
+	game:GetService("work-space")
+end))
+
+assert(not pcall(function()
+	game:GetService("workspac")
+end))
diff --git a/tests/roblox/instance/tags.luau b/tests/roblox/instance/tags.luau
new file mode 100644
index 0000000..64668df
--- /dev/null
+++ b/tests/roblox/instance/tags.luau
@@ -0,0 +1,35 @@
+local roblox = require("@lune/roblox") :: any
+local Instance = roblox.Instance
+
+local game = Instance.new("DataModel")
+local cs = game:GetService("CollectionService")
+
+local model = Instance.new("Model")
+local part = Instance.new("Part")
+part.Parent = model
+
+local TAG_NAME = "InstanceTagName"
+
+assert(cs:HasTag(model, TAG_NAME) == false)
+assert(cs:HasTag(part, TAG_NAME) == false)
+
+cs:AddTag(part, TAG_NAME)
+
+assert(cs:HasTag(model, TAG_NAME) == false)
+assert(cs:HasTag(part, TAG_NAME) == true)
+
+cs:RemoveTag(part, TAG_NAME)
+
+assert(cs:HasTag(model, TAG_NAME) == false)
+assert(cs:HasTag(part, TAG_NAME) == false)
+
+assert(#cs:GetTags(model) == 0)
+assert(#cs:GetTags(part) == 0)
+
+cs:AddTag(model, TAG_NAME)
+cs:AddTag(part, TAG_NAME)
+
+assert(#cs:GetTags(model) == 1)
+assert(#cs:GetTags(part) == 1)
+assert(cs:GetTags(model)[1] == TAG_NAME)
+assert(cs:GetTags(part)[1] == TAG_NAME)