Diamond / Pearl / Platinum
Non-repeatable
- Route 210 (South of the pit, requires Rock Climb; Platinum only)
- Route 228 (End of a narrow bridge between two Rangers)
- Iron Island (B3F, east of the middle's raised section)
Repeatable
- Pickup starting at Level 41
HeartGold / SoulSilver
Non-repeatable
- National Park (Behind the fence, requires Rock Climb)
Repeatable
- Route 14 (Gift from Bird Keeper Josh if you have his number)
- First prize in the Bug-Catching Contest (National Pokedex acquired)
- Pokeathlon Dome with 3000 points (Sunday, Monday, Wednesday, Thursday, Saturday)
Black / White
Non-repeatable
- Route 6 (Child in the house)
- Dragonspiral Tower (3F, northeast corner)
Repeatable
- Dust clouds
- Black City / White Forest (Molly, $10000)
Black 2 / White 2
Non-repeatable
- Route 6 (Girl in the house)
- Abundant Shrine (North of the Youngster)
- Dragonspiral Tower (3F, on a platform in the middle)
- Undella Town (Hidden item in front of the bulldozer)
Repeatable
- Join Avenue Antique Shop
- White Forest (Store 3)
- Dust Clouds
- Hidden Grottoes (Route 6, Route 13, Abundant Shrine)
X / Y
Non-repeatable
- Route 12 (Northeast of ranch, behind three ledges)
Repeatable
- Secret Super Training (An Opening of Lighting-Quick Attacks!)
- Psychic Inver (Route 18, random reward for 7-9 points)
Omega Ruby / Alpha Sapphire
Non-repeatable
- Route 121 (Flowery area north of the Pokefan)
Repeatable
- Mauville City Inverse Battle Stop (Random reward for 7-9 points)
- Secret Super Training (An Opening of Lighting-Quick Attacks!)
- Mt. Pyre (Rematch Fairy Girl Momo)
- Secret Base (Pick up stones with Secret Pal)
Sun / Moon / Ultra Sun / Ultra Moon
Non-repeatable
- Mali City (Flea market for $3000 after beating Nanu's trial; Ultra Sun only)
- Ancient Poni Path (Alcove west of the Vast Poni Canyon entrance)
Repeatable
- Isle Aphun (Brilliant-Stone Hunting, Interesting-Item Hunting)
Sword / Shield
Non-repeatable
- Route 8 (Ledge in the southeast)
- Lakeside Cave (Crown Tundra)
Repeatable
- Hidden respawnable item (Lake of Outrage, Potbottom Desert, Roaring-Sea Caves)
- Bridge Field from the Digging Duo
- Poke Job reward (Tiers VII and VIII)
Brilliant Diamond / Shining Pearl
Non-repeatable
- Route 228 (End of a narrow bridge between two Rangers)
- Iron Island (B3F, east of the middle's raised section)
Repeatable
- Pickup starting at Level 41
Legends Arceus
Non-repeatable
- Bonechill Wastes (Complete Request 74)
Repeatable
- Red ore deposits (Coronet Highlands, Alabaster Icelands)
- Trading post (1200 MP)
- Ginkgo Guild Cart (From Ginter as "Dazzling Rock")
- Space-time distortions
- Path of Tenacity (Randomly upon completion)
Scarlet / Violet
Non-repeatable
- Socarrat Trail
- South Province Area Six (Cave)
- Register 150 Pokemon in the Paldea Pokedex
- Chilling Waterhead (Teal Mask)
Repeatable
- Porto Marinada auctions
- Overworld item (Alfornada Cavern, Area Zero, Dalizapa Passage)
- Item Printer (Crown Tundra)
Shiny Stone (Bulbapedia)