Phantom Ruins provides Pokemon GO trainers with a Premium Timed Research, as well as free Collection Challenges and Field Research tasks, to complete. The rewards range from in-game items like Incense and Stardust to Pokemon encounters such as Phantump and Gothita.Phantom Ruins starts on Saturday, June 14, 2025, at 10 am local time and comes to an end on Wednesday, June 18, 2025, at 8 pm local time. The global event begins in tandem with the GO Fest 2025 Paris and also sees the debut of Gigantamax Inteleon.How to complete Phantom Ruins Premium Timed Research in Pokemon GO?The Phantom Ruins Premium Timed Research costs US$1.99. The tasks and rewards are:Phantom Ruins Premium Timed Research - Step 1 of 2Catch 10 Pokemon - Phantump encounterUse 5 Berries to help catch Pokemon - Phantump encounterTransfer 5 Pokemon - Phantump encounterCatch 20 Pokemon - Phantump encounterUse 10 Berries to help catch Pokemon - Phantump encounterTransfer 10 Pokemon - Phantump encounterSpin 3 PokeStops or Gyms - Phantump encounterRewards: Phantump encounter, 2x Incense, 500x StardustPhantom Ruins Premium Timed Research - Step 2 of 2Catch 10 Pokemon - Phantump encounterUse 5 Berries to help catch Pokemon - Phantump encounterTransfer 5 Pokemon - Phantump encounterCatch 20 Pokemon - Phantump encounterUse 10 Berries to help catch Pokemon - Phantump encounterTransfer 10 Pokemon - Phantump encounterUse an Incense - Phantump encounterRewards: Gothita encounter, 3x Incense, 500x StardustHow to complete Phantom Ruins Field Research in Pokemon GOThe Phantom Ruins Field Research tasks and rewards are:Catch 10 Pokemon - Gothita encounter [shiny variant available], Rufflet encounter [shiny variant available], Phantump encounter [shiny variant available], or Greavard encounterCatch 7 different species of Pokemon - Gothita encounter [shiny variant available] or Phantump encounter [shiny variant available]Catch a Gothita - Phantump encounter [shiny variant available]Catch a Phantump - Gothita encounter [shiny variant available]Explore 2 km - 2x Rare CandyHow to complete Phantom Ruins Collection Challenges in Pokemon GOThe Phantom Ruins Collection Challenges are:Collection Challenge 1Catch DrilburCatch RhyhornCatch DuskullCatch SkorupiCatch PhantumpCatch GolettRewards: 2000 XP, Phantump encounterCollection Challenge 2Catch DrilburCatch RhyhornCatch DuskullCatch SkorupiCatch GothitaCatch ArchenRewards: 2000 XP, Gothita encounterCollection Challenge 3Catch PhantumpCatch GothitaCatch ChimechoCatch SableyeRewards: 2000 XP, 1x IncenseCheck out other Pokemon GO guides:Ditto disguisesBuddy Evolution Adventure Together guideBest Fast Attacks in Pokemon GOSierra countersCliff countersArlo countersGiovanni countersTeam GO Rocket Grunts