Here is the list of the In-Game Trades in this game: (They are fairly easy to do, and some of them come from the original Unova Gym Leaders!)
Trade #1: Aspertia City
| Pokémon you have to trade: | Pokémon offered: |
 |  |
| Poliwag | Mantine (Manta) From: Marlon ID: 20128 |
Trade #2: Floccesy Town
| Pokémon you have to trade: | Pokémon offered: |
 |  |
| Mareep | Magnemite (Magnet) From: Colress ID: 34502 |
Trade #3: Castelia City
| Pokémon you have to trade: | Pokémon offered: |
 |  |
| Zubat | Skarmory From: Skyla ID: 20126 |
Trade #4: Nacrene City
| Pokémon you have to trade: | Pokémon offered: |
 |  |
| Snubbull | Kangaskhan (Kanga) From: Lenora ID: 20122 |
Trade #5: P2 Lab (Route 17)
| Pokémon you have to trade: | Pokémon offered: |
 |  |
| Lugia | Mewtwo From: Giovanni ID: 19998 |
Trade #6: Nimbasa City
| Pokémon you have to trade: | Pokémon offered: |
 |  |
| Murkrow | Houndour (Houndo) From: Grimsley ID: 51522 |
Trade #7: Castelia City (Building)
| Pokémon you have to trade: | Pokémon offered: |
| Growlithe | Vulpix (FireFox) From: Isaac ID: 58037 |
Trade #8: Virbank City Teleporter
| Pokémon you have to trade: | Pokémon offered: |
| Tentacool | Seel (Seelia) From: Chelsea ID: 47286 |
Trade #9: Accumula Town
| Pokémon you have to trade: | Pokémon offered: |
| Yanma | Tangela (Tangelia) From: Nora ID: 19414 |
Trade #10: Driftveil City (Hotel)
| Pokémon you have to trade: | Pokémon offered: |
| Onix | Swinub (Swoink) From: Oscar ID: 22095 |
Trade #11: Nuvema Town (Juniper’s Lab)
| Pokémon you have to trade: | Pokémon offered: |
| Ariados | Pinsir (Pinsy) *Shiny* From: Quentin ID: 16927 |
Trade #12: Floccesy Ranch
| Pokémon you have to trade: | Pokémon offered: |
| Dunsparce | Sandshrew (Anshrew) From: Basile ID: 27206 |
Trade #13: Dreamyard (Fennel’s cabin)
| Pokémon you have to trade: | Pokémon offered: |
| Jigglypuff | Drowzee (Drowzia) From: Amanita ID: 39960 |
Trade #14: Mistralton City’s airport
| Pokémon you have to trade: | Pokémon offered: |
| Aerodactyl | Scizor (Scissor) From: Kylian ID: 14412 |
Trade #15: Opelucid City (House)
| Pokémon you have to trade: | Pokémon offered: |
| Larvitar | Dratini (Draconis) From: Eliott ID: 24747 |
Trade #16: Undella Town Pokémon Center
| Pokémon you have to trade: | Pokémon offered: |
| Staryu | Corsola (Coral) *Shiny* From: Mathilda ID: 22320 |
Pokémon Gold Unova 