diff --git a/.gitattributes b/.gitattributes
new file mode 100644
index 0000000..8ad74f7
--- /dev/null
+++ b/.gitattributes
@@ -0,0 +1,2 @@
+# Normalize EOL for all files that Git considers text files.
+* text=auto eol=lf
diff --git a/.gitignore b/.gitignore
index bf83296..bd1b155 100644
--- a/.gitignore
+++ b/.gitignore
@@ -1,6 +1,7 @@
 # ---> Godot
 # Godot 4+ specific ignores
 .godot/
+/android/
 
 # Godot-specific ignores
 .import/
diff --git a/autoload/ContentRegistry.gd b/autoload/ContentRegistry.gd
new file mode 100644
index 0000000..283efcc
--- /dev/null
+++ b/autoload/ContentRegistry.gd
@@ -0,0 +1,11 @@
+
+extends Node
+
+var units = {}
+var buildings = {}
+
+func register_unit(data: Dictionary):
+	units[data["id"]] = data
+
+func register_building(data: Dictionary):
+	buildings[data["id"]] = data
diff --git a/autoload/ContentRegistry.gd.uid b/autoload/ContentRegistry.gd.uid
new file mode 100644
index 0000000..65a0b18
--- /dev/null
+++ b/autoload/ContentRegistry.gd.uid
@@ -0,0 +1 @@
+uid://chylch01h275w
diff --git a/autoload/ModLoader.gd b/autoload/ModLoader.gd
new file mode 100644
index 0000000..391654e
--- /dev/null
+++ b/autoload/ModLoader.gd
@@ -0,0 +1,58 @@
+
+extends Node
+
+var mod_paths := []
+var mod_manifests := {}
+const MODS_DIR := "res://mods"
+
+func _ready():
+	load_mods(MODS_DIR)
+	load_mod_content()
+
+func load_mods(base_path: String):
+	var dir := DirAccess.open(base_path)
+	if not dir:
+		push_error("No mods folder found.")
+		return
+
+	for folder in dir.get_directories():
+		var mod_path = base_path + "/" + folder
+		var manifest_path = mod_path + "/manifest.json"
+		if FileAccess.file_exists(manifest_path):
+			var manifest_file := FileAccess.open(manifest_path, FileAccess.READ)
+			var manifest : Dictionary = JSON.parse_string(manifest_file.get_as_text())
+			if typeof(manifest) == TYPE_DICTIONARY: # always true ?
+				mod_paths.append(mod_path)
+				mod_manifests[manifest["id"]] = manifest
+				print("Mod loaded: %s" % manifest["name"])
+
+func load_units(units_path: String):
+	var dir := DirAccess.open(units_path)
+	if dir:
+		for file in dir.get_files():
+			if file.get_extension() == "json":
+				var file_path = units_path + "/" + file
+				var f := FileAccess.open(file_path, FileAccess.READ)
+				if f:
+					var data = JSON.parse_string(f.get_as_text())
+					if typeof(data) == TYPE_DICTIONARY:
+						ContentRegistry.register_unit(data)
+						print("Unit loaded: %s" % data["id"])
+
+func load_buildings(buildings_path: String):
+	var dir := DirAccess.open(buildings_path)
+	if dir:
+		for file in dir.get_files():
+			if file.get_extension() == "json":
+				var file_path = buildings_path + "/" + file
+				var f := FileAccess.open(file_path, FileAccess.READ)
+				if f:
+					var data = JSON.parse_string(f.get_as_text())
+					if typeof(data) == TYPE_DICTIONARY:
+						ContentRegistry.register_building(data)
+						print("Building loaded: %s" % data["id"])
+
+func load_mod_content():
+	for mod_path in mod_paths:
+		load_units(mod_path + "/units")
+		load_buildings(mod_path + "/buildings")
diff --git a/autoload/ModLoader.gd.uid b/autoload/ModLoader.gd.uid
new file mode 100644
index 0000000..02221e8
--- /dev/null
+++ b/autoload/ModLoader.gd.uid
@@ -0,0 +1 @@
+uid://c82sxdmgrv7lk
diff --git a/main/Label.tscn b/main/Label.tscn
new file mode 100644
index 0000000..1f22931
--- /dev/null
+++ b/main/Label.tscn
@@ -0,0 +1,3 @@
+[gd_scene format=3 uid="uid://label"]
+
+[node name="Label" type="Label"]
diff --git a/main/Main.gd b/main/Main.gd
new file mode 100644
index 0000000..edf5980
--- /dev/null
+++ b/main/Main.gd
@@ -0,0 +1,9 @@
+
+extends Node
+
+@onready var label := $Label
+
+func _ready():
+	var unit_list = ContentRegistry.units.keys()
+	var building_list = ContentRegistry.buildings.keys()
+	label.text = "Loaded units: " + str(unit_list) + "\n" + "Loaded buildings: " + str(building_list)
diff --git a/main/Main.gd.uid b/main/Main.gd.uid
new file mode 100644
index 0000000..8149eba
--- /dev/null
+++ b/main/Main.gd.uid
@@ -0,0 +1 @@
+uid://byy1qyojb5rwv
diff --git a/main/Main.tscn b/main/Main.tscn
new file mode 100644
index 0000000..aac620d
--- /dev/null
+++ b/main/Main.tscn
@@ -0,0 +1,9 @@
+[gd_scene load_steps=3 format=3 uid="uid://duto8i2373vdn"]
+
+[ext_resource type="Script" uid="uid://byy1qyojb5rwv" path="res://main/Main.gd" id="1_qv31u"]
+[ext_resource type="PackedScene" uid="uid://label" path="res://main/Label.tscn" id="2_wbnyf"]
+
+[node name="Main" type="Node3D"]
+script = ExtResource("1_qv31u")
+
+[node name="Label" parent="." instance=ExtResource("2_wbnyf")]
diff --git a/mods/base_content/buildings/barracks.json b/mods/base_content/buildings/barracks.json
new file mode 100644
index 0000000..a9f69d8
--- /dev/null
+++ b/mods/base_content/buildings/barracks.json
@@ -0,0 +1,12 @@
+
+{
+  "id": "barracks",
+  "name": "Barracks",
+  "description": "Trains melee units.",
+  "build_cost": {
+	"wood": 100,
+	"stone": 50
+  },
+  "build_time": 30,
+  "produces_units": ["soldier"]
+}
diff --git a/mods/base_content/manifest.json b/mods/base_content/manifest.json
new file mode 100644
index 0000000..91fa471
--- /dev/null
+++ b/mods/base_content/manifest.json
@@ -0,0 +1,10 @@
+
+{
+  "id": "base_content",
+  "name": "Core Vanilla Game",
+  "version": "1.0",
+  "description": "Factions, unités, bâtiments et cartes de base.",
+  "author": "TonStudio",
+  "dependencies": [],
+  "load_order": 0
+}
diff --git a/mods/base_content/units/soldier.json b/mods/base_content/units/soldier.json
new file mode 100644
index 0000000..4a0b9a2
--- /dev/null
+++ b/mods/base_content/units/soldier.json
@@ -0,0 +1,8 @@
+
+{
+  "id": "soldier",
+  "name": "Soldier",
+  "health": 100,
+  "attack": 10,
+  "speed": 3.0
+}
diff --git a/project.godot b/project.godot
new file mode 100644
index 0000000..65bb3a4
--- /dev/null
+++ b/project.godot
@@ -0,0 +1,19 @@
+; Engine configuration file.
+; It's best edited using the editor UI and not directly,
+; since the parameters that go here are not all obvious.
+;
+; Format:
+;   [section] ; section goes between []
+;   param=value ; assign values to parameters
+
+config_version=5
+
+[application]
+
+run/main_scene="uid://duto8i2373vdn"
+config/features=PackedStringArray("4.4")
+
+[autoload]
+
+ModLoader="*res://autoload/ModLoader.gd"
+ContentRegistry="*res://autoload/ContentRegistry.gd"