In Pokémon GO's Holiday Part 1 branching research, trainers face a crucial decision: aid Spark or Sierra. This guide clarifies the choices, helping you optimize your gameplay. The event, running December 17th-22nd (9:59 AM local time), features a free research path with three stages. After the initial tasks, you'll choose your allegiance.

Choosing Spark: This path focuses on Ice-type Pokémon.
Part 2 Rewards:
| Research Task | Reward |
|---|---|
| Catch 10 Ice-Type Pokémon | 10 Pinap Berries |
| Take 5 snapshots of wild Pokémon | 20 Poké Balls |
| Complete 5 Field Research Tasks | 500 Stardust |
| Complete All Three Tasks | Alolan Vulpix encounter, 2000 XP |
Part 3 Rewards:
| Research Task | Reward |
|---|---|
| Catch 25 Ice-Type Pokémon | 10 Ultra Balls |
| Power Up Ice-Type Pokémon 10 Times | 1 Golden Razz Berry |
| Collect MP from 3 Power Spots | 100 Max Particles |
| Complete All Three Tasks | Sandygast encounter, 3000 XP, 2000 Stardust |
Choosing Sierra: This path centers on Fire-type Pokémon.

Part 2 Rewards:
| Research Task | Reward |
|---|---|
| Catch 10 Fire-Type Pokémon | 10 Pinap Berries |
| Take 5 snapshots of wild Pokémon | 20 Poké Balls |
| Complete 5 Field Research Tasks | 500 Stardust |
| Complete All Three Tasks | Shadow Vulpix encounter, 2000 XP |
Part 3 Rewards:
| Research Task | Reward |
|---|---|
| Catch 25 Fire-Type Pokémon | 10 Ultra Balls |
| Power Up Fire-Type Pokémon 10 Times | 1 Golden Razz Berry |
| Collect MP from 3 Power Spots | 100 Max Particles |
| Complete All Three Tasks | Sandygast encounter, 3000 XP, 2000 Stardust |
The final choice hinges on your preferred Vulpix variant (Alolan or Shadow) and the Pokémon type you wish to prioritize catching during the event. Pokémon GO is available now.