The following tables contain every place where a utility item (an HM, the Bicycle, the Silph Scope, or the Poké Flute) is required to access something.
All HM requirements are the same in all versions of Red, Green, Blue, and Yellow.
| Location | Object of interest |
|---|---|
| Viridian City | Cut or Surf is required to collect TM42 Dream Eater from a man in the southwest. |
| Pewter City | Cut is required to collect the Old Amber from a scientist in the Pewter Museum. |
| Vermilion City | Cut or Surf is required to access the Gym. |
| Celadon City | Cut is required to access and traverse the Gym. |
| Route 2 | Cut is required to access an HP Up, a Moon Stone, HM05 Flash, a trade, and the Diglett's Cave entrance. |
| Route 8 | Cut is required to access the grass patch. |
| Route 9 | Cut is required to access the route from Cerulean City. |
| Route 10 | Cut is required to access a hidden Super Potion, which can only be obtained by standing on the tile where the northernmost Cut tree was. |
| Route 12 | Cut is required to access a Fisherman and an Iron, as well as the grass patch. |
| Route 13 | Cut is required to access the grass patch. |
| Route 14 | Cut is required to access the grass patch, as well as the upper path of Route 15. |
| Route 15 | Cut is required on Route 14 to access the upper path. |
| Route 16 | Cut is required to access the grass patch and collect HM02 Fly from the woman in the house. |
| Route 25 | If the player does not lure the Trainer blocking TM19 far enough away to battle him, they will have to use Cut to access it. |
| Location | Object of interest |
|---|---|
| Pallet Town | Surf is required to travel to Route 21 in the south. |
| Viridian City | Cut or Surf is required to collect TM42 Dream Eater from a man in the southwest. |
| Cerulean City | Surf is required to access Cerulean Cave and a Lass on Route 4, by Surfing through the city from Route 24. |
| Vermilion City | Surf is required to access a Max Ether. |
| Vermilion City | Cut or Surf is required to access the Gym. |
| Celadon City | Surf is required to collect TM41 Softboiled from the man north of the pond. |
| Cinnabar Island | Surf is required to access Cinnabar Island the first time, as well as to travel to Route 20 or 21. |
| Route 4 | Surf is required to access the Lass by Surfing from Route 24. |
| Route 6 | Surf can be used to encounter wild Pokémon in Yellow. |
| Route 10 | Surf is required to access the Power Plant and a Pokémaniac. |
| Route 12 | Surf is required to access TM16 Pay Day. Wild Pokémon can also be encountered here with Surf in Yellow. |
| Route 13 | Surf can be used to encounter wild Pokémon in Yellow. |
| Routes 19, 20, and 21 | Surf is required to traverse all three routes. Wild Pokémon can also be encountered on these routes with Surf. |
| Route 23 | Surf is required to traverse the route. |
| Route 24 | Surf is required to access Cerulean Cave and a Lass on Route 4, by Surfing down the western channel. |
| Safari Zone | Surf is required to access a Nugget in the Center area. |
| Power Plant | Surf is required to access the Power Plant, by Surfing from Route 10. |
| Seafoam Islands | Surf is required to access and traverse the Seafoam Islands. In Yellow, wild Pokémon can be encountered on B3F and B4F with Surf. |
| Cerulean Cave | Surf is required to access and traverse this area. |
| Location | Object of interest |
|---|---|
| Fuchsia City | Strength is required to access a Rare Candy in the Warden's house. |
| Seafoam Islands | Strength is required to traverse the area, and to reach Articuno. |
| Victory Road | Strength is required to traverse the area. |
| Location | Object of interest |
|---|---|
| Rock Tunnel | Flash is recommended, but not required. |
| Location | Object of interest |
|---|---|
| Routes 16, 17, and 18 | A Bicycle is required to traverse all three routes. |
| Location | Object of interest |
|---|---|
| Pokémon Tower | The Silph Scope is required to battle or catch any Pokémon, and to pass the Marowak on 6F. Without using glitches, the Marowak must be passed to acquire the Poké Flute. |
| Location | Object of interest |
|---|---|
| Routes 12 and 16 | The Poké Flute is required to battle the Snorlax blocking the path on both routes. Clearing at least one Snorlax is required to access Fuchsia City. |