diff --git a/Assets/Scripts/GameManager.cs b/Assets/Scripts/GameManager.cs
new file mode 100644
index 0000000..241d70d
--- /dev/null
+++ b/Assets/Scripts/GameManager.cs
@@ -0,0 +1,31 @@
+using System.Collections;
+using System.Collections.Generic;
+using UnityEngine;
+
+public class GameManager : MonoBehaviour
+{
+    // Start is called before the first frame update
+    void Start()
+    {
+
+    }
+
+    // Update is called once per frame
+    void Update()
+    {
+
+    }
+}
+
+public enum GameState
+{
+    EnteringName,
+    WaitingForOtherPlayers,
+    Explanation,
+    MakeProposition,
+    PropositionSent,
+    VotingTime,
+    Ending
+}
+
+
diff --git a/Assets/Scripts/GameManager.cs.meta b/Assets/Scripts/GameManager.cs.meta
new file mode 100644
index 0000000..26ada3c
--- /dev/null
+++ b/Assets/Scripts/GameManager.cs.meta
@@ -0,0 +1,11 @@
+fileFormatVersion: 2
+guid: 27a435387a7644784a6fc6ae538b68e5
+MonoImporter:
+  externalObjects: {}
+  serializedVersion: 2
+  defaultReferences: []
+  executionOrder: 0
+  icon: {instanceID: 0}
+  userData: 
+  assetBundleName: 
+  assetBundleVariant: 
diff --git a/Assets/Scripts/RoomManager.cs b/Assets/Scripts/RoomManager.cs
index 715ad5a..aeb1abf 100644
--- a/Assets/Scripts/RoomManager.cs
+++ b/Assets/Scripts/RoomManager.cs
@@ -4,16 +4,131 @@
 
 public class RoomManager : MonoBehaviour
 {
+    private RoomState currentState;
+    private List<Player> players;
 
-    // Start is called before the first frame update
-    void Start()
+    public float propositionTime = 60;
+    public float votingTime = 20;
+
+    private float propositionCurrentTime = 0;
+    private float votingCurrentTime = 0;
+
+    /// <summary>
+    /// Contain the infos about the current displayed question (during votes)
+    /// </summary>
+    private Question currentQuestion;
+
+    private List<Question> questions;
+
+    /// <summary>
+    /// When this is equal to questions.Count, go to score page
+    /// </summary>
+    private int numberOfQuestionVoted = 0;
+
+
+    private void Start()
+    {
+        propositionCurrentTime = propositionTime;
+        votingCurrentTime = votingTime;
+    }
+
+    public void PlayerSendProposition(Proposition _proposition)
     {
 
     }
 
-    // Update is called once per frame
-    void Update()
+    /// <summary>
+    /// Called when the first player clicked "Start"
+    /// </summary>
+    public void HostStartGame()
     {
 
     }
+
+    /// <summary>
+    /// Start the proposition timer
+    /// </summary>
+    public void StartPropositionTimer()
+    {
+
+    }
+
+
+    /// <summary>
+    /// Automatically called when the proposition timer has finished
+    /// </summary>
+    public void PropositionTimerFinished()
+    {
+
+    }
+
+    /// <summary>
+    /// Start the voting timer
+    /// </summary>
+    public void StartVotingTimer()
+    {
+
+    }
+
+
+    /// <summary>
+    /// Automatically called when the voting timer has finished
+    /// </summary>
+    public void VotingTimerFinished()
+    {
+
+    }
+
+    /// <summary>
+    /// Automatically called when a proposition is updated (someone has voted or a picture has been proposed)
+    /// </summary>
+    public void OnPropositionUpdate()
+    {
+
+    }
+
+    /// <summary>
+    /// Will generate a question with a prompt and two owners
+    /// </summary>
+    public void GenerateQuestion()
+    {
+
+    }
+
+    /// <summary>
+    /// Generate all the player pairs
+    /// (players should not play against themself.
+    /// (players should not play twice with the same person)
+    /// </summary>
+    public void GenerateCouples()
+    {
+
+    }
+
+    /// <summary>
+    /// is automatically called when a player connect to the room
+    /// </summary>
+    /// <param name="_player"></param>
+    public void PlayerConnect(Player _player)
+    {
+
+    }
+
+    [ContextMenu("Fake Player Connection")]
+    private void FakePlayerConnection()
+    {
+        Player temp = new Player();
+        temp.id = System.Guid.NewGuid().ToString();
+        temp.SetName("Momo");
+    }
+
+}
+
+public enum RoomState
+{
+    WaitingForPlayer,
+    WaitingForPropositions,
+    ShowPropositions,
+    ShowVoters,
+    Score
 }