Tweet at Danika and Hayley with your spots.

You don’t need your Game Boy Color anymore. Pokémon Go, the augmented-reality game by Niantic that lets users catch Pikachu and Eevee while walking down the street, dropped in the U.S. Wednesday.

The game is relatively simple. After designing a character, called trainers, users pick a starter Pokémon — Squirtle, Charmander or Bulbasaur. Then, with iPhone and Android at the ready, trainers travel to physical PokéStops — typically places of significance — to collect Poké Balls and eggs.

Different Pokémon pop up along the way, sending a vibration through the phone. With a simple — sometimes not so simple — flick of a finger, trainers can catch them. Once trainers hit level five, they can start battling in gyms.

https://twitter.com/Shaneburial/status/751054367340441600

Denver has several PokéStops throughout the city, although many are clustered downtown. It’s nearly impossible to walk down 16th Street Mall without your phone vibrating repeatedly. Highlights include the U.S. Mint, The Denver Post and the bust of Robert W. Speer, mayor of Denver from 1904 to 1912 and 1916 to 1918, located on the second floor of the City and County Building.

You can also battle your local politicians — virtually that is — at the gym located in the Capitol building.

The app has taken the world — and Denver — by storm. It rose to No.1 in the app store the day it was released. Although the game is free, in-app purchases made it the top grossing app in the U.S. It’s also the top free and grossing app in Australia and New Zealand, the only other countries where it’s currently available.

Admittedly, some Denver fans are a bit hesitant about the underlying mission of the game and are airing their grievances on Twitter.

#PokemonGo is just a ploy to get us all to go outside and walk around and do things and I'm not falling for it — Allison Lee (@OhhAllisohhn) July 7, 2016

I got sprayed by a sprinkler playing #PokemonGo. I knew I didn't like the outside world. #Pokemon pic.twitter.com/BpcHl34eh5 — Kevin Atteridg (@katteridg) July 7, 2016

And its massive popularity means a lot of people are trying to access the app, inevitably crashing its servers.

Things I never thought I would say "We can't go on a walk now, the servers are down" #PokemonGo — Grant Lewis (@SIM37G) July 8, 2016

But when users can actually log on, they seem to love it. At least, that’s what some Denverites are tweeting.

https://twitter.com/jescpimp/status/750894346581340160

This app is for “kids” in the same way that the Lego Movie was for kids. So it’s basically for adults. You’ll see Jim from accounting right there next to your neighbor’s 12-year-old daughter, pointing their phones at random spots on the sidewalk.

You also don’t need to be a fan of the Pokémon television show to enjoy the AR game. But it does help when you recognize at least one of the more than 100 Pokémon in the game.

People are running around the office catching Pokemon?! What year is it? WHAT THE HELL IS GOING ON? #PokemonGO — Adam Greenbaum (@Greenbaumly) July 7, 2016

"let's go catch Pokemon in Home Depot" a great intersection of home ownership and being a millennial #PokemonGo — Daniel Suhr (@Multerain) July 8, 2016

"I'm here to catch Pokemon not your children, please stop screaming" #PokemonGO #gottacatchemall — Scuba Dave (@TheBurkel) July 7, 2016

My fiancée just took off running after a Pokemon to "catch it first". This is what marriage will be. #PokemonGO — Chris Laney (@chrismlaney) July 7, 2016

All these little kids need to go to bed so us adults can enjoy #PokemonGO without the servers crashing constantly! — Mavi Adventure Foxi ~ (@FoxMavi) July 7, 2016

I called Ben to see if he was ready for dinner and he said "I'm catching Pokemon out by the lake" 🙄🤓 #PokemonGO — kristen (@kdubb_23) July 8, 2016

Older fans may be relieved as the game only includes the original Pokémon. It’s not quite Pokémon Silver where trainers battle wild Pokémon with their own Pidgey or Magnemite. But there’s something special about catching a wild Zubat at your desk or a Drowzee on your bed.

https://t.co/c9crnqLlx2 Waking up after exploring the neighborhood all night looking for Pokemon in #PokemonGo like: pic.twitter.com/7lUh9Re9KF — The Creatures (@CreatureHub) July 7, 2016

No, seriously. Send Hayley your spots, and she’ll add them to the map (and even give you credit).