This guide walks you through the process of editing the starting room of a vanilla Metroid Prime NTSC 0-00 ISO using only a hex editor.
-
Install hxd
-
Use dolphin to extract NTSC 0-00 ISO to folder
-
Open
prime/sys/main.dolin HxD -
Navigate to
1FF10(ctrl+g) and replace these bytes:
...with the set for the Starting World:
3C 80 15 8F 38 A3 56 4C 38 6D A0 F0 38 04 FE 17
3C 80 83 F7 38 A3 56 4C 38 6D A0 F0 38 04 FF 6F
3C 80 A8 BE 38 A3 56 4C 38 6D A0 F0 38 04 62 91
3C 80 39 F3 38 A3 56 4C 38 6D A0 F0 38 04 DE 28
3C 80 B1 AC 38 A3 56 4C 38 6D A0 F0 38 04 4D 65
3C 80 3E F8 38 A3 56 4C 38 6D A0 F0 38 04 23 7C
3C 80 C1 3D 38 A3 56 4C 38 6D A0 F0 38 04 09 D1
3C 80 13 D8 38 A3 56 4C 38 6D A0 F0 38 04 91 65
- Navigate to
1D1FE0and replace this byte:
...with Index of the Starting Room you want:
| World | Room | Index |
|---|---|---|
| End Cinema | End Cinema | 00 |
| Frigate Orpheon | Exterior Docking Hangar | 00 |
| Frigate Orpheon | Air Lock | 01 |
| Frigate Orpheon | Deck Alpha Access Hall | 02 |
| Frigate Orpheon | Deck Alpha Mech Shaft | 03 |
| Frigate Orpheon | Emergency Evacuation Area | 04 |
| Frigate Orpheon | Connection Elevator to Deck Alpha | 05 |
| Frigate Orpheon | Deck Alpha Umbilical Hall | 06 |
| Frigate Orpheon | Biotech Research Area 2 | 07 |
| Frigate Orpheon | Map Facility | 08 |
| Frigate Orpheon | Main Ventilation Shaft Section F | 09 |
| Frigate Orpheon | Connection Elevator to Deck Beta | 0A |
| Frigate Orpheon | Main Ventilation Shaft Section E | 0B |
| Frigate Orpheon | Deck Beta Conduit Hall | 0C |
| Frigate Orpheon | Main Ventilation Shaft Section D | 0D |
| Frigate Orpheon | Biotech Research Area 1 | 0E |
| Frigate Orpheon | Main Ventilation Shaft Section C | 0F |
| Frigate Orpheon | Deck Beta Security Hall | 10 |
| Frigate Orpheon | Connection Elevator to Deck Beta | 0A |
| Frigate Orpheon | Subventilation Shaft Section A | 12 |
| Frigate Orpheon | Main Ventilation Shaft Section B | 13 |
| Frigate Orpheon | Biohazard Containment | 14 |
| Frigate Orpheon | Deck Gamma Monitor Hall | 15 |
| Frigate Orpheon | Subventilation Shaft Section B | 16 |
| Frigate Orpheon | Main Ventilation Shaft Section A | 17 |
| Frigate Orpheon | Deck Beta Transit Hall | 18 |
| Frigate Orpheon | Reactor Core | 19 |
| Frigate Orpheon | Cargo Freight Lift to Deck Gamma | 1A |
| Frigate Orpheon | Reactor Core Entrance | 1B |
| Chozo Ruins | Transport to Tallon Overworld North | 00 |
| Chozo Ruins | Ruins Entrance | 01 |
| Chozo Ruins | Main Plaza | 02 |
| Chozo Ruins | Ruined Fountain Access | 03 |
| Chozo Ruins | Ruined Shrine Access | 04 |
| Chozo Ruins | Nursery Access | 05 |
| Chozo Ruins | Plaza Access | 06 |
| Chozo Ruins | Piston Tunnel | 07 |
| Chozo Ruins | Ruined Fountain | 08 |
| Chozo Ruins | Ruined Shrine | 09 |
| Chozo Ruins | Eyon Tunnel | 0A |
| Chozo Ruins | Vault | 0B |
| Chozo Ruins | Training Chamber | 0C |
| Chozo Ruins | Arboretum Access | 0D |
| Chozo Ruins | Meditation Fountain | 0E |
| Chozo Ruins | Tower of Light Access | 0F |
| Chozo Ruins | Ruined Nursery | 10 |
| Chozo Ruins | Vault Access | 11 |
| Chozo Ruins | Training Chamber Access | 12 |
| Chozo Ruins | Arboretum | 13 |
| Chozo Ruins | Magma Pool | 14 |
| Chozo Ruins | Tower of Light | 15 |
| Chozo Ruins | Save Station 1 | 16 |
| Chozo Ruins | North Atrium | 17 |
| Chozo Ruins | Transport to Magmoor Caverns North | 18 |
| Chozo Ruins | Sunchamber Lobby | 19 |
| Chozo Ruins | Gathering Hall Access | 1A |
| Chozo Ruins | Tower Chamber | 1B |
| Chozo Ruins | Ruined Gallery | 1C |
| Chozo Ruins | Sun Tower | 1D |
| Chozo Ruins | Transport Access North | 1E |
| Chozo Ruins | Sunchamber Access | 1F |
| Chozo Ruins | Gathering Hall | 20 |
| Chozo Ruins | Totem Access | 21 |
| Chozo Ruins | Map Station | 22 |
| Chozo Ruins | Sun Tower Access | 23 |
| Chozo Ruins | Hive Totem | 24 |
| Chozo Ruins | Sunchamber | 25 |
| Chozo Ruins | Watery Hall Access | 26 |
| Chozo Ruins | Save Station 2 | 27 |
| Chozo Ruins | East Atrium | 28 |
| Chozo Ruins | Watery Hall | 29 |
| Chozo Ruins | Energy Core Access | 2A |
| Chozo Ruins | Dynamo Access | 2B |
| Chozo Ruins | Energy Core | 2C |
| Chozo Ruins | Dynamo | 2D |
| Chozo Ruins | Burn Dome Access | 2E |
| Chozo Ruins | West Furnace Access | 2F |
| Chozo Ruins | Burn Dome | 30 |
| Chozo Ruins | Furnace | 31 |
| Chozo Ruins | East Furnace Access | 32 |
| Chozo Ruins | Crossway Access West | 33 |
| Chozo Ruins | Hall of the Elders | 34 |
| Chozo Ruins | Crossway | 35 |
| Chozo Ruins | Reflecting Pool Access | 36 |
| Chozo Ruins | Elder Hall Access | 37 |
| Chozo Ruins | Crossway Access South | 38 |
| Chozo Ruins | Elder Chamber | 39 |
| Chozo Ruins | Reflecting Pool | 3A |
| Chozo Ruins | Save Station 3 | 3B |
| Chozo Ruins | Transport Access South | 3C |
| Chozo Ruins | Antechamber | 3D |
| Chozo Ruins | Transport to Tallon Overworld East | 3E |
| Chozo Ruins | Transport to Tallon Overworld South | 3F |
| Phendrana Drifts | Transport to Magmoor Caverns West | 00 |
| Phendrana Drifts | Shoreline Entrance | 01 |
| Phendrana Drifts | Phendrana Shorelines | 02 |
| Phendrana Drifts | Temple Entryway | 03 |
| Phendrana Drifts | Save Station B | 04 |
| Phendrana Drifts | Ruins Entryway | 05 |
| Phendrana Drifts | Plaza Walkway | 06 |
| Phendrana Drifts | Ice Ruins Access | 07 |
| Phendrana Drifts | Chozo Ice Temple | 08 |
| Phendrana Drifts | Ice Ruins West | 09 |
| Phendrana Drifts | Ice Ruins East | 0A |
| Phendrana Drifts | Chapel Tunnel | 0B |
| Phendrana Drifts | Courtyard Entryway | 0C |
| Phendrana Drifts | Canyon Entryway | 0D |
| Phendrana Drifts | Chapel of the Elders | 0E |
| Phendrana Drifts | Ruined Courtyard | 0F |
| Phendrana Drifts | Phendrana Canyon | 10 |
| Phendrana Drifts | Save Station A | 11 |
| Phendrana Drifts | Specimen Storage | 12 |
| Phendrana Drifts | Quarantine Access | 13 |
| Phendrana Drifts | Research Entrance | 14 |
| Phendrana Drifts | North Quarantine Tunnel | 15 |
| Phendrana Drifts | Map Station | 16 |
| Phendrana Drifts | Hydra Lab Entryway | 17 |
| Phendrana Drifts | Quarantine Cave | 18 |
| Phendrana Drifts | Research Lab Hydra | 19 |
| Phendrana Drifts | South Quarantine Tunnel | 1A |
| Phendrana Drifts | Quarantine Monitor | 1B |
| Phendrana Drifts | Observatory Access | 1C |
| Phendrana Drifts | Transport to Magmoor Caverns South | 1D |
| Phendrana Drifts | Observatory | 1E |
| Phendrana Drifts | Transport Access | 1F |
| Phendrana Drifts | West Tower Entrance | 20 |
| Phendrana Drifts | Save Station D | 21 |
| Phendrana Drifts | Frozen Pike | 22 |
| Phendrana Drifts | West Tower | 23 |
| Phendrana Drifts | Pike Access | 24 |
| Phendrana Drifts | Frost Cave Access | 25 |
| Phendrana Drifts | Hunter Cave Access | 26 |
| Phendrana Drifts | Control Tower | 27 |
| Phendrana Drifts | Research Core | 28 |
| Phendrana Drifts | Frost Cave | 29 |
| Phendrana Drifts | Hunter Cave | 2A |
| Phendrana Drifts | East Tower | 2B |
| Phendrana Drifts | Research Core Access | 2C |
| Phendrana Drifts | Save Station C | 2D |
| Phendrana Drifts | Upper Edge Tunnel | 2E |
| Phendrana Drifts | Lower Edge Tunnel | 2F |
| Phendrana Drifts | Chamber Access | 30 |
| Phendrana Drifts | Lake Tunnel | 31 |
| Phendrana Drifts | Aether Lab Entryway | 32 |
| Phendrana Drifts | Research Lab Aether | 33 |
| Phendrana Drifts | Phendrana's Edge | 34 |
| Phendrana Drifts | Gravity Chamber | 35 |
| Phendrana Drifts | Storage Cave | 36 |
| Phendrana Drifts | Security Cave | 37 |
| Tallon Overworld | Landing Site | 00 |
| Tallon Overworld | Gully | 01 |
| Tallon Overworld | Canyon Cavern | 02 |
| Tallon Overworld | Temple Hall | 03 |
| Tallon Overworld | Alcove | 04 |
| Tallon Overworld | Waterfall Cavern | 05 |
| Tallon Overworld | Tallon Canyon | 06 |
| Tallon Overworld | Temple Security Station | 07 |
| Tallon Overworld | Frigate Crash Site | 08 |
| Tallon Overworld | Transport Tunnel A | 09 |
| Tallon Overworld | Root Tunnel | 0A |
| Tallon Overworld | Temple Lobby | 0B |
| Tallon Overworld | Frigate Access Tunnel | 0C |
| Tallon Overworld | Overgrown Cavern | 0D |
| Tallon Overworld | Transport to Chozo Ruins West | 0E |
| Tallon Overworld | Root Cave | 0F |
| Tallon Overworld | Artifact Temple | 10 |
| Tallon Overworld | Main Ventilation Shaft Section C | 11 |
| Tallon Overworld | Transport Tunnel C | 12 |
| Tallon Overworld | Transport Tunnel B | 13 |
| Tallon Overworld | Arbor Chamber | 14 |
| Tallon Overworld | Main Ventilation Shaft Section B | 15 |
| Tallon Overworld | Transport to Chozo Ruins East | 16 |
| Tallon Overworld | Transport to Magmoor Caverns East | 17 |
| Tallon Overworld | Main Ventilation Shaft Section A | 18 |
| Tallon Overworld | Reactor Core | 19 |
| Tallon Overworld | Reactor Access | 1A |
| Tallon Overworld | Cargo Freight Lift to Deck Gamma | 1B |
| Tallon Overworld | Savestation | 1C |
| Tallon Overworld | Deck Beta Transit Hall | 1D |
| Tallon Overworld | Biohazard Containment | 1E |
| Tallon Overworld | Deck Beta Security Hall | 1F |
| Tallon Overworld | Biotech Research Area 1 | 20 |
| Tallon Overworld | Deck Beta Conduit Hall | 21 |
| Tallon Overworld | Connection Elevator to Deck Beta | 22 |
| Tallon Overworld | Hydro Access Tunnel | 23 |
| Tallon Overworld | Great Tree Hall | 24 |
| Tallon Overworld | Great Tree Chamber | 25 |
| Tallon Overworld | Transport Tunnel D | 26 |
| Tallon Overworld | Life Grove Tunnel | 27 |
| Tallon Overworld | Transport Tunnel E | 28 |
| Tallon Overworld | Transport to Chozo Ruins South | 29 |
| Tallon Overworld | Life Grove | 2A |
| Tallon Overworld | Transport to Phazon Mines East | 2B |
| Phazon Mines | Transport to Tallon Overworld South | 00 |
| Phazon Mines | Quarry Access | 01 |
| Phazon Mines | Main Quarry | 02 |
| Phazon Mines | Waste Disposal | 03 |
| Phazon Mines | Save Station Mines A | 04 |
| Phazon Mines | Security Access A | 05 |
| Phazon Mines | Ore Processing | 06 |
| Phazon Mines | Mine Security Station | 07 |
| Phazon Mines | Research Access | 08 |
| Phazon Mines | Storage Depot B | 09 |
| Phazon Mines | Elevator Access A | 0A |
| Phazon Mines | Security Access B | 0B |
| Phazon Mines | Storage Depot A | 0C |
| Phazon Mines | Elite Research | 0D |
| Phazon Mines | Elevator A | 0E |
| Phazon Mines | Elite Control Access | 0F |
| Phazon Mines | Elite Control | 10 |
| Phazon Mines | Maintenance Tunnel | 11 |
| Phazon Mines | Ventilation Shaft | 12 |
| Phazon Mines | Phazon Processing Center | 13 |
| Phazon Mines | Omega Research | 14 |
| Phazon Mines | Transport Access | 15 |
| Phazon Mines | Processing Center Access | 16 |
| Phazon Mines | Map Station Mines | 17 |
| Phazon Mines | Dynamo Access | 18 |
| Phazon Mines | Transport to Magmoor Caverns South | 19 |
| Phazon Mines | Elite Quarters | 1A |
| Phazon Mines | Central Dynamo | 1B |
| Phazon Mines | Elite Quarters Access | 1C |
| Phazon Mines | Quarantine Access A | 1D |
| Phazon Mines | Save Station Mines B | 1E |
| Phazon Mines | Metroid Quarantine B | 1F |
| Phazon Mines | Metroid Quarantine A | 20 |
| Phazon Mines | Quarantine Access B | 21 |
| Phazon Mines | Save Station Mines C | 22 |
| Phazon Mines | Elevator Access B | 23 |
| Phazon Mines | Fungal Hall B | 24 |
| Phazon Mines | Elevator B | 25 |
| Phazon Mines | Missile Station Mines | 26 |
| Phazon Mines | Phazon Mining Tunnel | 27 |
| Phazon Mines | Fungal Hall Access | 28 |
| Phazon Mines | Fungal Hall A | 29 |
| Magmoor Caverns | Transport to Chozo Ruins North | 00 |
| Magmoor Caverns | Burning Trail | 01 |
| Magmoor Caverns | Lake Tunnel | 02 |
| Magmoor Caverns | Save Station Magmoor A | 03 |
| Magmoor Caverns | Lava Lake | 04 |
| Magmoor Caverns | Pit Tunnel | 05 |
| Magmoor Caverns | Triclops Pit | 06 |
| Magmoor Caverns | Monitor Tunnel | 07 |
| Magmoor Caverns | Storage Cavern | 08 |
| Magmoor Caverns | Monitor Station | 09 |
| Magmoor Caverns | Transport Tunnel A | 0A |
| Magmoor Caverns | Warrior Shrine | 0B |
| Magmoor Caverns | Shore Tunnel | 0C |
| Magmoor Caverns | Transport to Phendrana Drifts North | 0D |
| Magmoor Caverns | Fiery Shores | 0E |
| Magmoor Caverns | Transport Tunnel B | 0F |
| Magmoor Caverns | Transport to Tallon Overworld West | 10 |
| Magmoor Caverns | Twin Fires Tunnel | 11 |
| Magmoor Caverns | Twin Fires | 12 |
| Magmoor Caverns | North Core Tunnel | 13 |
| Magmoor Caverns | Geothermal Core | 14 |
| Magmoor Caverns | Plasma Processing | 15 |
| Magmoor Caverns | South Core Tunnel | 16 |
| Magmoor Caverns | Magmoor Workstation | 17 |
| Magmoor Caverns | Workstation Tunnel | 18 |
| Magmoor Caverns | Transport Tunnel C | 19 |
| Magmoor Caverns | Transport to Phazon Mines West | 1A |
| Magmoor Caverns | Transport to Phendrana Drifts South | 1B |
| Magmoor Caverns | Save Station Magmoor B | 1C |
| Impact Crater | Crater Entry Point | 00 |
| Impact Crater | Crater Tunnel A | 01 |
| Impact Crater | Phazon Core | 02 |
| Impact Crater | Crater Missile Station | 03 |
| Impact Crater | Crater Tunnel B | 04 |
| Impact Crater | Phazon Infusion Chamber | 05 |
| Impact Crater | Subchamber One | 06 |
| Impact Crater | Subchamber Two | 07 |
| Impact Crater | Subchamber Three | 08 |
| Impact Crater | Subchamber Four | 09 |
| Impact Crater | Subchamber Five | 0A |
| Impact Crater | Metroid Prime Lair | 0B |
- Save and either repack the ISO or open
main.dolwith dolphin