Heart Gold and Soul Silver: Hidden Machines (HMs)
| Move | Description | Hidden Machine | Location |
| Cut | Allows you to cut down a tree | HM 01 | Ilex Forest |
| Fly | Allows you to fly back to a previously visited town | HM 02 | Cianwood Island |
| Surf | Allows you to ride on water | HM 03 | Kimono Studio (Ecruteak) |
| Strength | Allows you to moves large boulders out of the way | HM 04 | Route 42 |
| Whirlpool | Allows you to move across whirlpools | HM 05 | Rocket Hideout (Mahogony) |
| Rock Smash | Allows you to break cracked boulders | HM 06 | Route 36 |
| Waterfall | Allows you to climb waterfalls | HM 07 | Route 44 |
| Rock Climb | Allows you to scale rock walls | HM 08 | Professor Oak (Palette Town) After 16 badges received |
