Pokémon Go's 10th Anniversary Mewtwo Timed Research gives eligible players a free max-stat Mewtwo, a Master Ball, and Mega Mewtwo Y Energy before the September 6 deadline.
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A guaranteed perfect Mewtwo, with a deadline attached
Pokémon Go’s 10th Anniversary Celebration is giving Trainers around the world free Timed Research that leads to a Mewtwo with maxed-out stats and a Special Background, according to the official Pokémon Go announcement posted August 12. The same post says the Mewtwo caught from this research will also have the third Mega Level unlocked for Mega Mewtwo Y.
That is the strongest concrete detail here: this is not a raid chance, a paid ticket reward, or a low-odds hunt for a hundo. For eligible players, the Pokémon Go Mewtwo timed research is built around a guaranteed max-stat Mewtwo, with other high-value rewards attached. The catch is timing. The official Pokémon Go team says the Timed Research tasks must be completed and the rewards claimed before Sunday, September 6, 2026, at 11:59 p.m. local time.
The deadline matters because Timed Research in Pokémon Go expires. This reward does not move into Special Research to be finished whenever you remember it. If you want the Pokémon Go 10th Anniversary Mewtwo, the work and the claiming step both need to happen before the event ends.
How the anniversary Mewtwo Timed Research works
The research itself is deliberately light. Leek Duck’s event listing identifies it as the “10th Anniversary Celebration” event-exclusive Timed Research and lists a single step with two tasks. Players need to catch 10 Pokémon and power up Pokémon 10 times.
That structure is unusually generous for a Legendary with maxed-out stats. Pocket Gamer also reports that players can get Mewtwo by capturing and powering up ten Pokémon, framing the task list as far easier than many players might expect for this kind of reward. For anyone returning after a long break, the practical rhythm is simple: open the Timed Research during the event window, catch ten Pokémon, spend the resources to perform ten power-ups, then claim each reward before the deadline.
The official Pokémon Go page gives the event window as Wednesday, August 12, at 4:00 p.m. PDT through Sunday, September 6, 2026, at 11:59 p.m. local time. Leek Duck’s page mirrors the official deadline in its event header but also includes an 11 p.m. reference elsewhere on the listing. When in doubt, the safest reading is the one players should always use for expiring research: do not wait for the final hour. The official announcement’s 11:59 p.m. local-time deadline is the key source, but the reward is valuable enough that cutting it close is a bad trade.
Mewtwo timed research rewards confirmed so far
Leek Duck lists the task rewards in detail. Catching 10 Pokémon rewards a Master Ball. Powering up Pokémon 10 times rewards 500 Mega Mewtwo Y Mega Energy. Completing the research leads to the Mewtwo encounter. The official Pokémon Go post confirms the broader package: free Timed Research, a Mewtwo with maxed-out stats, a Special Background, and the third Mega Level unlocked for Mega Mewtwo Y.
That makes the Mewtwo timed research rewards unusually dense. The Master Ball is valuable because, as Polygon notes, it can be used to catch any Pokémon with a single throw. The 500 Mega Mewtwo Y Mega Energy also matters because the anniversary Mewtwo arrives with progress already made toward Mega Mewtwo Y through its third Mega Level unlock, according to the official announcement.
There is one important exception. The official Pokémon Go post says Trainers who caught a Mewtwo at the in-person Times Square event on July 9 will receive a Mewtwo with different stats and different rewards. Leek Duck adds a more specific version of that exception, reporting that Times Square attendees receive 30 Mewtwo Candy for the Catch 10 Pokémon task instead of a Master Ball, and that their Mewtwo encounter has different stats. If you attended that event, do not assume your research reward will match the global version.
How to identify a perfect Mewtwo in Pokémon Go
For this event, the perfect Mewtwo Pokémon Go check starts with the source of the encounter. The official Pokémon Go team says the free Timed Research leads to a Mewtwo with “maxed-out stats.” Polygon uses the community term “hundo” for Pokémon with perfect stats and reports that this research gives players a hundo Mewtwo.
In practical terms, if your Mewtwo comes from the 10th Anniversary Timed Research and you are not covered by the July 9 Times Square exception, the official announcement identifies it as the max-stat version. That is the cleanest confirmation available from the source material. The sources provided for this assignment do not list a CP value for the perfect Mewtwo encounter, so players should be wary of relying on unsourced CP claims when deciding whether they received the intended reward.
The exception is the only confirmed wrinkle. Times Square attendees are explicitly called out by both the official Pokémon Go post and Leek Duck as receiving different stats and different rewards. Everyone else should treat the anniversary Timed Research Mewtwo as the guaranteed perfect version described by the official event page, then make sure it is claimed before the research disappears.
The Times Square tension behind the giveaway
The generosity lands differently because of what happened before it. Polygon reports that Scopely angered many fans in July by opening an anniversary Times Square event only to influencers, content creators, and press. According to Polygon, that event awarded a Mewtwo with perfect stats and a special background, and some attendees later listed their special variants on eBay for prices ranging from $500 to $5,000.
The official Pokémon Go announcement does not call the new Timed Research an apology. Its language is celebratory, saying the team is marking ten years of Pokémon Go by sharing a special reward with Trainers everywhere. Polygon, however, frames the global giveaway as Scopely making it up to players after the Times Square stunt. That distinction is worth keeping intact. The confirmed fact is that every Trainer now has access to free Timed Research for a special max-stat Mewtwo, while the apology framing comes from Polygon’s reporting and interpretation of the broader community moment.
The official page also says Mewtwo with a Times Square background will be available again at some point in the future. That is separate from the immediate anniversary Timed Research reward, which the official post describes as having a Special Background. For collectors, the precise background matters. For most players, the larger mechanical prize is the same draw: a perfect Legendary without the raid grind.
Should you claim now or wait until September 6?
There is little reason to wait. The tasks are short, the rewards are confirmed, and the research expires. If you are active now, finishing the Pokémon Go Mewtwo timed research early removes the only real risk: forgetting to claim the encounter or the item rewards before September 6.
Players who already raided Mewtwo during the summer still have a strong reason to complete it. Polygon notes that perfect-stat Pokémon are extremely rare in raids and that doing more raids improves the odds only by spending more passes. This Timed Research bypasses that chase for eligible players. Dot Esports also notes that Pokémon Go’s anniversary period follows a summer that already saw Mega Mewtwo X and Mega Mewtwo Y debut, which makes the Mega Mewtwo Y unlock and energy especially relevant for players building out their Mega options.
There is another event-adjacent consideration. Polygon reports that Go Fest ends September 6 with a Mega Finale that offers more opportunities to catch Mewtwo with a special background. That should not be confused with this guaranteed max-stat Timed Research encounter. Extra Mewtwo opportunities may be useful for Candy, backgrounds, or collection goals, but the confirmed hundo route here is the 10th Anniversary Timed Research.
The useful checklist before the event ends
Before September 6, make sure the Timed Research is visible, finish the two tasks, and claim the rewards rather than leaving them sitting in the event tab. The confirmed global reward path is catch 10 Pokémon for a Master Ball, power up Pokémon 10 times for 500 Mega Mewtwo Y Mega Energy, then claim the Mewtwo encounter with maxed-out stats and a Special Background.
If you attended the July 9 Times Square event and caught a Mewtwo there, expect a different outcome. The official Pokémon Go announcement says that group receives different stats and rewards, and Leek Duck reports the Catch 10 Pokémon reward changes from a Master Ball to 30 Mewtwo Candy for those Trainers.
For everyone else, this is one of the rare Pokémon Go anniversary gifts where the best advice is refreshingly plain: do the small bit of work, claim everything early, and do not overthink the perfect IV hunt. The Pokémon Go 10th Anniversary Mewtwo is already being presented by the official event as the max-stat prize players usually spend months chasing.