diff --git a/Buttons/Explore.py b/Buttons/Explore.py
index fd365b8..ebb6234 100644
--- a/Buttons/Explore.py
+++ b/Buttons/Explore.py
@@ -115,6 +115,12 @@ async def exploreTile(game: GamestateHelper, player, interaction: discord.Intera
         player = game.get_player(interaction.user.id,interaction)
         msg = customID.split("_")
         position = msg[1]
+
+        # Lock turn restart because of exposed hidden tile information.
+        player_helper = PlayerHelper(game.get_player_from_color(player['color']), player)
+        player_helper.setCannotRestart(True)
+        game.update_player(player_helper)
+
         if len(msg) > 2:
             tileID = msg[2]
             game.tile_discard(msg[3])
diff --git a/Buttons/Research.py b/Buttons/Research.py
index b5f2539..0e7ea78 100644
--- a/Buttons/Research.py
+++ b/Buttons/Research.py
@@ -111,6 +111,9 @@ async def handle_specific_tech_selection(interaction: discord.Interaction, game:
             game.addDiscTile(game.getLocationFromID(player["home_planet"]))
             await DiscoveryTileButtons.exploreDiscoveryTile(game, game.getLocationFromID(player["home_planet"]),
                                                             interaction, player)
+            # Lock turn restart because of exposed hidden tile information.
+            player_helper.setCannotRestart(True)
+            game.update_player(player_helper)
         lenTech = len(player[f"{tech_type}_tech"])
         if lenTech == 4 and "magDiscTileUsed" in player and not player.get("magDiscTileUsed"):
             await interaction.channel.send(player["player_name"] + " due to researching your fourth tech"
@@ -119,6 +122,8 @@ async def handle_specific_tech_selection(interaction: discord.Interaction, game:
             game.useMagDisc(str(interaction.user.id))
             await DiscoveryTileButtons.exploreDiscoveryTile(game, game.getLocationFromID(player["home_planet"]),
                                                             interaction, player)
+            player_helper.setCannotRestart(True)
+            game.update_player(player_helper)
 
     @staticmethod
     async def placeWarpPortal(interaction: discord.Interaction, game: GamestateHelper, player, customID):
diff --git a/Buttons/Turn.py b/Buttons/Turn.py
index b8533dc..f37f959 100644
--- a/Buttons/Turn.py
+++ b/Buttons/Turn.py
@@ -36,6 +36,15 @@ def getFirstPlayer(game: GamestateHelper):
 
     @staticmethod
     async def restartTurn(player, game: GamestateHelper, interaction: discord.Interaction):
+        player_helper = PlayerHelper(game.getPlayersID(player), player)
+        # Enforce rule: No turn resets allowed after gaining tile information
+        if player_helper.cannotRestart():
+            await interaction.followup.send(
+                f"❌ {player['player_name']}, you cannot restart your turn after revealing a tile!",
+                ephemeral=True
+            )
+            return
+
         try:
             await interaction.message.delete()
             game.backUpToLastSaveFile()
@@ -55,6 +64,12 @@ async def restartTurn(player, game: GamestateHelper, interaction: discord.Intera
     async def endTurn(player, game: GamestateHelper, interaction: discord.Interaction):
         from helpers.CombatHelper import Combat
         nextPlayer = game.get_next_player(player)
+
+        # Clear the restart lockout flag when the turn successfully concludes
+        player_helper = PlayerHelper(game.getPlayersID(player), player)
+        player_helper.setCannotRestart(False)
+        game.update_player(player_helper)
+
         await game.updateNamesAndOutRimTiles(interaction)
         game.initilizeKey("20MinReminder")
         if nextPlayer is not None and not game.is_everyone_passed():
diff --git a/commands/player_commands.py b/commands/player_commands.py
index 46b5be5..6ba4712 100644
--- a/commands/player_commands.py
+++ b/commands/player_commands.py
@@ -285,6 +285,19 @@ async def set_traitor(self, interaction: discord.Interaction, traitor: bool,
         game.update_player(player_helper)
         await interaction.response.send_message(f"{player.mention} set traitor status to {traitor}.")
 
+    @app_commands.command(name="set_cannot_restart")
+    async def set_cannot_restart(self, interaction: discord.Interaction, cannot_restart: bool,
+                          player: Optional[discord.Member] = None):
+        if player is None:
+            player = interaction.user
+        game = GamestateHelper(interaction.channel)
+        p1 = game.get_player(player.id,interaction)
+        player_helper = PlayerHelper(player.id, p1)
+        player_helper.setCannotRestart(cannot_restart)
+        game.update_player(player_helper)
+        await interaction.response.send_message(f"{player.mention} set cannot_restart status to {cannot_restart}.")
+
+
     @app_commands.command(name="draw_reputation")
     async def draw_reputation(self, interaction: discord.Interaction, num_options: int):
         game = GamestateHelper(interaction.channel)
diff --git a/helpers/PlayerHelper.py b/helpers/PlayerHelper.py
index 25d9113..1bbbae9 100644
--- a/helpers/PlayerHelper.py
+++ b/helpers/PlayerHelper.py
@@ -13,6 +13,12 @@ def isTraitor(self):
         else:
             return False
 
+    def cannotRestart(self):
+        if self.stats.get("cannot_restart"):
+            return True
+        else:
+            return False
+
     def adjust_materials(self, adjustment):
         before = self.stats["materials"]
         self.stats["materials"] += adjustment
@@ -131,6 +137,9 @@ def passTurn(self, passed: bool):
 
     def setTraitor(self, traitor: bool):
         self.stats["traitor"] = traitor
+
+    def setCannotRestart(self, cannot_restart: bool):
+        self.stats["cannot_restart"] = cannot_restart
     
     def setEliminated(self, eliminated: bool):
         self.stats["eliminated"] = eliminated