diff --git a/campaign/event_20200603_en/sp3.py b/campaign/event_20200603_en/sp3.py
new file mode 100644
index 000000000..6d91c0148
--- /dev/null
+++ b/campaign/event_20200603_en/sp3.py
@@ -0,0 +1,41 @@
+from module.campaign.campaign_base import CampaignBase
+from module.map.map_base import CampaignMap
+from module.map.map_grids import SelectedGrids, RoadGrids
+from module.logger import logger
+
+
+MAP = CampaignMap('sp3')
+MAP.shape = 'i6'
+MAP.map_data = '''
+    ++ MB -- ME -- ME -- ++ ++ 
+    MB -- ME -- ++ -- ME ++ ++ 
+    MB ME -- ME -- ME -- ME --
+    ++ ++ ++ -- ME -- ME ++ --
+    MB -- ME ME -- ++ -- -- SP
+    -- ME -- -- -- ++ -- SP SP
+'''
+MAP.camera_data = ['D3', 'F5']
+MAP.spawn_data = [
+    {'battle': 0, 'enemy': 3},
+    {'battle': 1, 'enemy': 1},
+    {'battle': 2, 'enemy': 1},
+    {'battle': 3, 'enemy': 1},
+    {'battle': 4, 'enemy': 1},
+    {'battle': 5, 'boss': 1},
+]
+
+
+class Config:
+    SUBMARINE = 0
+    FLEET_BOSS = 0
+    MAP_HAS_AMBUSH = False
+
+
+class Campaign(CampaignBase):
+    MAP = MAP
+
+    def battle_0(self):
+        return self.battle_default()
+
+    def battle_5(self):
+        return self.brute_clear_boss()