diff --git a/region/maridia/inner-pink/Crab Shaft.json b/region/maridia/inner-pink/Crab Shaft.json
index dfb5c075c9..f7b8b9cd8b 100644
--- a/region/maridia/inner-pink/Crab Shaft.json	
+++ b/region/maridia/inner-pink/Crab Shaft.json	
@@ -626,6 +626,113 @@
         "there's currently no node there, but with a flash suit it would be possible to spark up from there."
       ]
     },
+    {
+      "link": [1, 4],
+      "name": "Side Platform Cross Room Jump",
+      "entranceCondition": {
+        "comeInWithSidePlatform": {
+          "platforms": [
+            {
+              "minHeight": 2,
+              "maxHeight": 2,
+              "minTiles": 27.4375,
+              "speedBooster": true,
+              "obstructions": [[1, 0]],
+              "note": ["This applies to Dust Torizo Room."],
+              "devNote": [
+                "The jump could also be done with a shorter runway, with a tricky dash jump using run speed $4.0 or $4.1.",
+                "But it wouldn't apply to any more rooms in the game."
+              ]
+            },
+            {
+              "minHeight": 3,
+              "maxHeight": 3,
+              "minTiles": 39.4375,
+              "speedBooster": true,
+              "obstructions": [[3, 2]],
+              "note": ["This applies to Metal Pirates Room."]
+            },
+            {
+              "minHeight": 2,
+              "maxHeight": 2,
+              "minTiles": 45,
+              "speedBooster": true,
+              "obstructions": [[3, 0]],
+              "requires": [
+                "canInsaneJump"
+              ],
+              "note": ["This applies to Statues Hallway."],
+              "devNote": [
+                "The momentum conserving turnaround requires a last-frame jump and has a 2-frame window for the turnaround."
+              ]
+            },
+            {
+              "minHeight": 3,
+              "maxHeight": 3,
+              "minTiles": 39.4375,
+              "speedBooster": true,
+              "obstructions": [[3, 0]],
+              "requires": [
+                "canInsaneJump",
+                "canBeVeryPatient"
+              ],
+              "note": ["This applies to Flyway."],
+              "devNote": [
+                "The momentum conserving turnaround is double frame-perfect,",
+                "requiring a last-frame jump before Samus would get caught on the door ledge,",
+                "and a last-frame turnaround before Samus would bonk on the ceiling of the door frame.",
+                "After jumping, the aim-down must be delayed at least 6 frames;",
+                "being pressed at most 5 frames before the turnaround."
+              ]
+            }
+          ]
+        }
+      },
+      "requires": [
+        "canCrossRoomJumpIntoWater",
+        "canTrickyJump",
+        "canMomentumConservingTurnaround"
+      ],
+      "note": [
+        "Use a platform below the door in the other room to jump through the door while aiming down, carrying upward momentum into this room.",
+        "Hold down and back through the transition, to perform a momentum-conserving turnaround past the corner.",
+        "In cases where the previous room has an extended door ledge obstructing the exit, the turnaround may need to be initiated before the transition,",
+        "to avoid bonking the ceiling of the door frame."
+      ]
+    },
+    {
+      "link": [1, 4],
+      "name": "Side Platform Cross Room Jump, Bomb Into Spring Ball Jump",
+      "entranceCondition": {
+        "comeInWithSidePlatform": {
+          "platforms": [
+            {
+              "minHeight": 1,
+              "maxHeight": 1,
+              "minTiles": 7.4375,
+              "speedBooster": true,
+              "obstructions": [[1, 0]],
+              "requires": [],
+              "note": ["This applies to Warehouse Entrance."]
+            }
+          ]
+        }
+      },
+      "requires": [
+        "canCrossRoomJumpIntoWater",
+        "canTrickyDashJump",
+        "canMomentumConservingTurnaround",
+        "canUnderwaterBombIntoSpringBallJump"
+      ],
+      "note": [
+        "Use a platform below the door in the other room to jump through the door while aiming down, carrying upward momentum into this room.",
+        "Hold down and back through the transition, to perform a momentum-conserving turnaround past the corner.",
+        "Perform a mid-air Spring Ball jump, timing a pause to hit soon after the mid-air jump.",
+        "Unequip Spring Ball, lay a Bomb about half a tile below the peak of the jump.",
+        "Press pause at the peak of the jump, tp reequip Spring Ball immediately after Samus is boosted by the bomb.",
+        "Buffer a jump out of the unpause, to get a second Spring Ball jump and make it up."
+      ]
+    },
     {
       "id": 64,
       "link": [1, 4],
diff --git a/region/maridia/outer/Crab Hole.json b/region/maridia/outer/Crab Hole.json
index c9a21876fa..1ba974270a 100644
--- a/region/maridia/outer/Crab Hole.json	
+++ b/region/maridia/outer/Crab Hole.json	
@@ -1047,6 +1047,279 @@
         "If the runway length is minimal, the aim-down input must be delayed a bit (rather than buffered through the transition), so that Samus moves at a slightly higher horizontal speed for longer."
       ]
     },
+    {
+      "link": [2, 1],
+      "name": "Side Platform Cross Room Jump (Turnaround or Ceiling Mockball)",
+      "entranceCondition": {
+        "comeInWithSidePlatform": {
+          "platforms": [
+            {
+              "minHeight": 1,
+              "maxHeight": 1,
+              "minTiles": 5.4375,
+              "speedBooster": true,
+              "obstructions": [[1, 0]],
+              "requires": [
+                "canMomentumConservingMorph",
+                "canInsaneJump",
+                "canInsaneMidAirMorph"
+              ],
+              "note": [
+                "This applies to Warehouse Energy Tank Room.",
+                "It is double frame-perfect, requiring a last-frame jump in the other room just before Samus would get caught on the door ledge,",
+                "and a frame-perfect morph just before Samus would bonk the ceiling.",
+                "The aim-down must be delayed until at least 4 frames after entering the room."
+              ]
+            },
+            {
+              "minHeight": 1,
+              "maxHeight": 1,
+              "minTiles": 8.4375,
+              "speedBooster": "any",
+              "obstructions": [[1, 0]],
+              "requires": [
+                "canInsaneJump",
+                {"or": [
+                  "canMomentumConservingMorph",
+                  "canMomentumConservingTurnaround"
+                ]}
+              ],
+              "note": [
+                "This applies to Warehouse Entrance.",
+                "This requires a last-frame jump and specific horizontal alignment in order to avoid bonking the door frame.",
+                "A way to get a correct starting position is to jump, press against the ceiling overhang near the end of the runway,",
+                "land, turn around away from the door, then jump and mid-air turnaround toward the door."
+              ],
+              "devNote": [
+                "Speed Booster is not required for this."
+              ]
+            },
+            {
+              "minHeight": 1,
+              "maxHeight": 1,
+              "minTiles": 17,
+              "speedBooster": true,
+              "obstructions": [[1, 0]],
+              "requires": [
+                {"or": [
+                  "canMomentumConservingMorph",
+                  {"and": [
+                    "canMomentumConservingTurnaround",
+                    "canTrickyJump"
+                  ]}
+                ]}
+              ],
+              "note": [
+                "This applies to Warehouse Entrance.",
+                "This can be done in three ways:",
+                "1) Jump on the last possible frame in the previous room, turn around a little before hitting the ceiling, then morph and hold right to pass through the tunnel.",
+                "2) Perform a ceiling mockball through the transition,",
+                "unmorph a little before hitting the ceiling,",
+                "hold right to press against the wall (to avoid hitting the crab), then morph and hold right to pass through the tunnel.",
+                "3) Jump on the last possible frame in the previous room, then perform a ceiling mockball to go up through the hidden space,",
+                "briefly releasing right while approaching the ceiling, in order to avoid hitting the crab."
+              ],
+              "devNote": [
+                "The turnaround method has about a 9-frame window for the turnaround.",
+                "The through-door ceiling mockball has about a 4-frame window for the jump, between a 1-frame and a 5-frame window for the morph (with later jumps giving a larger window),",
+                "and about a 7-frame window for the unmorph.",
+                "The after-transition ceiling mockball has an 8-frame for the morph.",
+                "Kagoing the crab is also possible, but it seems more difficult than all three other options, and it takes damage, so is probably pointless."
+              ]
+            },
+            {
+              "minHeight": 2,
+              "maxHeight": 2,
+              "minTiles": 8.4375,
+              "speedBooster": "any",
+              "obstructions": [[1, 0]],
+              "requires": [
+                "canTrickyJump",
+                "canMomentumConservingTurnaround"
+              ],
+              "note": [
+                "This applies to Ridley Tank Room and Dust Torizo Room.",
+                "From Ridley Tank Room, avoid backing into the corner.",
+                "From Dust Torizo Room, it doesn't matter."
+              ],
+              "devNote": [
+                "Speed Booster is not required for this."
+              ]
+            },
+            {
+              "minHeight": 3,
+              "maxHeight": 3,
+              "minTiles": 8.4375,
+              "speedBooster": true,
+              "obstructions": [[1, 0], [3, 2]],
+              "requires": [
+                {"or": [
+                  "canMomentumConservingMorph",
+                  {"and": [
+                    "canTrickyDashJump",
+                    "canMomentumConservingTurnaround"
+                  ]}
+                ]}
+              ],
+              "note": [
+                "Applies to Big Boy Room, Mickey Mouse Room, and Metal Pirates."
+              ]
+            },
+            {
+              "minHeight": 2,
+              "maxHeight": 2,
+              "minTiles": 23,
+              "speedBooster": "any",
+              "obstructions": [[3, 0]],
+              "requires": [
+                "canInsaneJump",
+                "canMomentumConservingMorph",
+                "canInsaneMidAirMorph"
+              ],
+              "note": [
+                "Applies to Metroid Room 1.",
+                "Use a few pixels less than the full runway.",
+                "This is double frame-perfect, requiring a last-frame jump before Samus would catch on the door ledge,",
+                "and a last-frame morph before Samus would bonk on the ceiling of the door frame.",
+                "Unmorph a little before Samus would hit the ceiling, to conserve upward momentum again.",
+                "Then quickly morph again and go through the tunnel to the right."
+              ],
+              "devNote": [
+                "The momentum conserving unmorph is lenient, having about a 9-frame window."
+              ]
+            },
+            {
+              "minHeight": 2,
+              "maxHeight": 2,
+              "minTiles": 29.4375,
+              "speedBooster": true,
+              "obstructions": [[3, 0]],
+              "requires": [
+                "canInsaneJump",
+                "canMomentumConservingMorph"
+              ],
+              "note": [
+                "Applies to Statues Hallway.",
+                "Jump through the door with a ceiling mockball, then unmorph a little before Samus would bonk the ceiling.",
+                "Morph again to pass through the tunnel to the right.",
+                "To make the strat more lenient, use less than the full available runway:",
+                "Ideally, position Samus to gain an extra run speed of $5.2 or slightly more,",
+                "which corresponds to starting 30 tiles from the end of the runway."
+              ],
+              "devNote": [
+                "There is a dropoff in Samus' jump height at an extra run speed of $5.2, which is good here.",
+                "Starting at a distance of 30 tiles, there is a 3-frame window for the jump (giving extra run speeds between $5.2 and $5.4)",
+                "and between a 1-frame and 3-frame window for the morph (with later jumps giving a larger window).",
+                "In any case, the unmorph will be lenient, having about a 9-frame window."
+              ]
+            },
+            {
+              "minHeight": 3,
+              "maxHeight": 3,
+              "minTiles": 29.4375,
+              "speedBooster": true,
+              "obstructions": [[3, 0]],
+              "requires": [
+                "canInsaneJump",
+                "canMomentumConservingMorph"
+              ],
+              "note": [
+                "Applies to Flyway.",
+                "Jump through the door with a ceiling mockball.",
+                "After pressing against the wall of the hidden space, release right for a moment until after Samus bonks the ceiling,",
+                "in order to avoid damage from the crab on the right.",
+                "To make the strat more lenient, less than the full available runway should be used:",
+                "Ideally, position Samus to gain an extra run speed of $5.2 or slightly more,",
+                "which corresponds to starting 30 tiles from the end of the runway (or 10 tiles from the start)."
+              ],
+              "devNote": [
+                "There is a dropoff in Samus' jump height at an extra run speed of $5.2, which is good here.",
+                "Starting at a distance of 30 tiles, there is a 3-frame window for the jump (giving extra run speeds between $5.2 and $5.4)",
+                "and between a 1-frame and 6-frame window for the morph (with later jumps giving a larger window)."
+              ]
+            },
+            {
+              "minHeight": 2,
+              "maxHeight": 2,
+              "minTiles": 45,
+              "speedBooster": true,
+              "obstructions": [[4, 0]],
+              "requires": [
+                "canInsaneJump",
+                "canMomentumConservingMorph",
+                "canInsaneMidAirMorph",
+                "canKago",
+                "canBeExtremelyPatient",
+                {"enemyDamage": {"enemy": "Sciser", "type": "contact", "hits": 1}}
+              ],
+              "note": [
+                "Applies to Baby Kraid Room.",
+                "Jump through the door with a double frame-perfect ceiling mockball, with a last-frame jump and last-frame morph.",
+                "Unmorph before bonking the ceiling, then quickly morph again, kagoing the crab, and exiting through the tunnel on the right."
+              ]
+            }
+          ]
+        }
+      },
+      "requires": [
+        "canCrossRoomJumpIntoWater",
+        "Morph"
+      ]
+    },
+    {
+      "link": [2, 1],
+      "name": "Side Platform Cross Room Jump into Spring Ball Jump",
+      "entranceCondition": {
+        "comeInWithSidePlatform": {
+          "platforms": [
+            {
+              "minHeight": 1,
+              "maxHeight": 1,
+              "minTiles": 4,
+              "speedBooster": true,
+              "obstructions": [[1, 0]],
+              "requires": [
+                "canMomentumConservingTurnaround"
+              ],
+              "note": ["This applies to Skree Boost Room, Grapple Tutorial Room 2, Warehouse Energy Tank Room, and Warehouse Entrance."]
+            },
+            {
+              "minHeight": 3,
+              "maxHeight": 3,
+              "minTiles": 8.4375,
+              "speedBooster": "any",
+              "obstructions": [[1, 0], [3, 2]],
+              "requires": [
+                {"or": [
+                  "canMomentumConservingMorph",
+                  "canMomentumConservingTurnaround"
+                ]}
+              ],
+              "note": [
+                "Applies to Big Boy Room, Mickey Mouse Room, and Metal Pirates."
+              ]
+            },
+            {
+              "minHeight": 2,
+              "maxHeight": 2,
+              "minTiles": 9.4375,
+              "speedBooster": true,
+              "obstructions": [[2, 0]],
+              "requires": [
+                "canMomentumConservingMorph"
+              ],
+              "note": [
+                "Applies to Early Supers Room."
+              ]
+            }
+          ]
+        }
+      },
+      "requires": [
+        "canCrossRoomJumpIntoWater",
+        "canSpringBallJumpMidAir"
+      ]
+    },
     {
       "id": 35,
       "link": [2, 1],