diff --git a/region/tourian/main/Metroid Room 2.json b/region/tourian/main/Metroid Room 2.json
index bf624cac0..33902ab24 100644
--- a/region/tourian/main/Metroid Room 2.json	
+++ b/region/tourian/main/Metroid Room 2.json	
@@ -349,7 +349,8 @@
         {"types": ["powerbomb"], "requires": []},
         {"types": ["missiles", "super"], "requires": ["never"]}
       ],
-      "flashSuitChecked": true
+      "flashSuitChecked": true,
+      "devNote": "FIXME: refine this and add a canTwoTileSqueeze option."
     },
     {
       "id": 18,
@@ -389,11 +390,17 @@
         "canShinechargeMovementTricky",
         {"or": [
           "canMoonfall",
-          "Morph"
+          "Morph",
+          "canTwoTileSqueeze"
         ]},
         {"or": [
           "f_KilledMetroidRoom2",
-          {"metroidFrames": 25}
+          {"metroidFrames": 100},
+          {"and": [
+            "canInsaneJump",
+            "canTrickyDodgeEnemies",
+            {"metroidFrames": 10}
+          ]}
         ]}
       ],
       "exitCondition": {
@@ -403,7 +410,13 @@
         {"types": ["powerbomb"], "requires": []},
         {"types": ["missiles", "super"], "requires": ["never"]}
       ],
-      "flashSuitChecked": true
+      "flashSuitChecked": true,
+      "note": [
+        "If Metroids are alive, minimizing damage from them requires tricky movement to manipulate them:",
+        "the moonfalling option must be done starting from almost a tile to the left of the opening;",
+        "likewise, the morphing option should soft-morph about a tile to the left of the opening."
+      ],
+      "devNote": ["FIXME: Unmorphing and downbacking through the gap can leave with more frames remaining but is more difficult."]
     },
     {
       "id": 20,
@@ -660,7 +673,9 @@
       "note": [
         "Not pressing dash will make the platforming easier, unless HiJump is also equipped."
       ],
-      "devNote": "Metroids randomly block shots fired and can make opening the door unreliable."
+      "devNote": [
+        "FIXME: Add variations for tanking the Metroid damage (taking into account how they can block the shot to open the door)"
+      ]
     },
     {
       "id": 34,
@@ -694,7 +709,9 @@
       ],
       "flashSuitChecked": true,
       "note": ["Spinjump into the opening below the top door."],
-      "devNote": "Metroids randomly block shots fired and can make opening the door unreliable."
+      "devNote": [
+        "FIXME: Add variations for tanking the Metroid damage (taking into account how they can block the shot to open the door)"
+      ]
     },
     {
       "id": 35,
@@ -724,7 +741,9 @@
         "Wall jump up the right wall and either mid-air morph to fit through the gap below the top door.",
         "Alternatively use a mid-air wiggle to reduce the height of Samus' hitbox after the walljump, to be able to fit through the gap without morphing."
       ],
-      "devNote": "Metroids randomly block shots fired and can make opening the door unreliable."
+      "devNote": [
+        "FIXME: Add variations for tanking the Metroid damage (taking into account how they can block the shot to open the door)"
+      ]
     },
     {
       "id": 36,
@@ -754,7 +773,49 @@
       "note": [
         "Use a mid-air wiggle to reduce the height of Samus' hitbox after the walljump, to be able to fit through the gap without morphing."
       ],
-      "devNote": "Metroids randomly block shots fired and can make opening the door unreliable."
+      "devNote": [
+        "FIXME: Add variations for tanking the Metroid damage (taking into account how they can block the shot to open the door)"
+      ]
+    },
+    {
+      "link": [2, 1],
+      "name": "Come in Shinecharging, Leave Shinecharged (Left Side, Tricky Dash Jump)",
+      "entranceCondition": {
+        "comeInShinecharging": {
+          "length": 0,
+          "openEnd": 1
+        }
+      },
+      "requires": [
+        {"shineChargeFrames": 170},
+        "canTrickyDashJump",
+        "canShinechargeMovementTricky",
+        {"or": [
+          "f_KilledMetroidRoom2",
+          "ScrewAttack",
+          {"metroidFrames": 160}
+        ]}
+      ],
+      "exitCondition": {
+        "leaveShinecharged": {}
+      },
+      "unlocksDoors": [
+        {"types": ["super"], "requires": [
+          {"or": [
+            "f_KilledMetroidRoom2",
+            "ScrewAttack"
+          ]}
+        ]},
+        {"types": ["missiles", "powerbomb"], "requires": ["never"]}
+      ],
+      "flashSuitChecked": true,
+      "note": [
+        "Go up the left side of the room to make it out the top door with a few shinecharge frames remaining."
+      ],
+      "detailNote": [
+        "Avoid getting more than 2.75 tiles of run speed on the lower platform (or Speed Booster will shorten Samus' jump):",
+        "either release run early, or do a big initial jump to land in the middle of the lower platform before starting to run."
+      ]
     },
     {
       "id": 37,
@@ -931,6 +992,63 @@
         "Shoot the door open and spark out."
       ]
     },
+    {
+      "link": [2, 1],
+      "name": "Come in Shinecharged, Leave With Spark (Left Side, Tricky Dash Jump)",
+      "entranceCondition": {
+        "comeInShinecharged": {}
+      },
+      "requires": [
+        {"shineChargeFrames": 130},
+        "canTrickyDashJump",
+        "canShinechargeMovementTricky",
+        {"or": [
+          {"and": [
+            {"or": [
+              "f_KilledMetroidRoom2",
+              "ScrewAttack",
+              {"and": [
+                {"metroidFrames": 145},
+                {"or": [
+                  "Plasma",
+                  "Wave",
+                  {"ammo": {"type": "Missile", "count": 1}}
+                ]}
+              ]}
+            ]},
+            {"shinespark": {"frames": 13}}  
+          ]},
+          {"and": [
+            {"metroidFrames": 150},
+            {"shineChargeFrames": 10},
+            {"shinespark": {"frames": 7}}
+          ]}
+        ]}
+      ],
+      "exitCondition": {
+        "leaveWithSpark": {}
+      },
+      "unlocksDoors": [
+        {"types": ["super"], "requires": [
+          {"or": [
+            "f_KilledMetroidRoom2",
+            "ScrewAttack"
+          ]}
+        ]},
+        {"types": ["missiles", "powerbomb"], "requires": ["never"]}
+      ],
+      "flashSuitChecked": true,
+      "note": [
+        "Go up the left side of the room and spark out the top door.",
+        "If tanking Metroid damage, then the Metroid can block the shot to open the door;",
+        "to avoid this, either jump toward the door with dash speed or use Plasma, Wave, or a Missile."
+      ],
+      "detailNote": [
+        "Do a big initial jump to land in the middle of the lower platform,",
+        "and jump before running more than 2.75 tiles, to avoid a Speed Booster dropoff in jump height."
+      ]
+
+    },
     {
       "id": 43,
       "link": [2, 1],