The /r/place Atlas

Junimo, a Slime and a Void Egg

The Purple blob is a Slime, one of the first enemies encountered in the game Stardew Valley. The yellow figure is a junimo, known for their help on the farm once you've finished the Community Center. The void egg can be left by a witch when it flies over a less-than-full Coop in the same game.

Brazilian Ass

Bunda!

SHISHAMO

The logo for Shishamo, a Japanese band formed in 2010.

BerryTube

BerryTube is a community website around My Little Pony: Friendship Is Magic, a children's animated fantasy television series developed by Lauren Faust.

Nintendo Gamecube

The first CD based Nintendo console

Dominican Republic heart

Yoshi

Yoshi from Mario Kart about to hit the Banana Peel item.

Space Communism

Fully Automated Luxury Gay Space Communism. A meme among far-left groups about an utopian post-scarcity society that is socialist, advanced and pretty gay.

Flag of Texas

Costa Rican Flag

Costa Rica's flag was here until it was eaten by the Green Lattice

Dallas Stars

The Dallas TX hockey team.

TagPro power-up

TagPro gives your ball a green ring. Any opponents who come in contact with you will be popped. If you have both TagPro and the opponent flag, touching an opponent will pop both of you.

Portugal

Includes several Portuguese traditions, achievements and obviously memes. All done with lots of love and dedication by Portuguese redditors who loved this experience.

Game Attack

Logo of the YouTube channel Game Attack

Cherry MX Blue Switch

Cherry MX is the most popular line of keyswitches used in mechanical computer keyboards.

Former location of the Green Corner

Similar to the blue corner, the green corner was a movement dedicated to filling the bottom left corner of the canvas with a solid dark green colour. It appeared during the first few hours of /r/place. Due to a loss of people supporting the movement, it was invaded by the blue corner and overwritten by art within the first day. At its peak, the green corner was comparable in size to the mona lisa art piece, and held the original Tom Searle memorial.

European Union

After a long battle between /r/france and /r/de, both parties negotiated peace and placed the flag of the EU with a dove of peace on the disputed territory.

Ushanka Cube

One of many icons in the rhythm game Geometry Dash, wearing an ushanka. This particular cube is used on the app icon

SCP Foundation

A fictional organization set to Secure, Contain, and Protect anomalous entities from harmful interaction with society. Fans engage with writing SCP catalogues and lore surrounding the Foundation.

DFTBA!

DFTBA stands for "Don't forget to be awesome!", the catchphrase of brothers John and Hank Green. John is an author of books such as The Fault in our Stars, Looking for Alaska and Paper Towns. Hank is an entrepeneur who turned their webseries Brotherhood 2.0 into a career on YouTube, creating and producing channels such as vlogbrothers, SciShow, CrashCourse, and Healthcare Triage, as well as the VidCon convention. "DFTBA" is also the name of Hank's merchandise distribution company.

Colorado State University

A sate university based out of beautiful Fort Collins, Colorado

Coldplay: A Rush of Blood to the Head

2002 album of the British rock band Coldplay

Kuriboh

A monster card from the anime series Yugioh, owned by Yugi Mutoh. Compact sprite designed by u/Zinthonian, constructed by /r/Yugioh, with assistance from GreenLattice, u/merpofsilence and u/KuribohMaster666. Regularly invaded by Skrillex, but survived!

The Flash

Emblem of the fictional superhero The Flash, appearing in comic books published by DC Comics.

Bahrain flag

Heart-shaped flag of Bahrain (in vertical position).

Flag of Estonia

Hearts

What started with a few red hearts quickly became over one hundred hearts bearing the colors of flags and other things.

THE_PACK

THESE ARE SOME BAD MFERS who just want to express themselves

Pansexual Heart

A heart sporting the flag of pansexuality

(0,0)

The top left corner of /r/place. Warred over by the purple corner, the runescape people, and various others

Re: Zero

The characters Subaru, Rem, Ram and Emilia from the anime Re: Zero, along with the series name.

Pakistan heart

A heart representing pakistan. /r/India helped /r/pakistan build a flag under their own, but /r/Bakchodi (not india) destroyed it along with the heart. Two more flags were created and then destroyed. Despite /r/india trying to help /r/pakistan, they were overcome and this heart is all that remains.

Asexual Heart

A heart designed to look like an asexual flag.

Boston Bruins

Logo of the National Hockey League (NHL) team Boston Bruins.
Six time winners of the Stanley Cup, and home to the cult of Pooh Bear.

gachiGASM

A meme on Forsen's stream, and on twitch.tv in general. Consumed by sweden and no longer recognizable.

Tiny Floating Whale

A character from the cartoon "Steven Universe" first appearing in the episode "Rose's Room"

Bretagne <3 Riley Furson

A heart made to show peace between Bretagne and the fursona of Riley Winters. Left side is the Bretagne flag, left is a small mountain lion colored piece.

Robin flag

The flag designed by participants of Robin, reddit's April Fools experiment of 2016. It was a chatroom that starts of with 2 people, and you can vote to grow (merge it with another chatroom of the same "Tier", stay (turn the chatroom into a subreddit), or abandon (delete the chatroom). The final room, Tier 17, had thousands of people and caused the servers to crash, ending the experiment. The symbols on the flag are the symbols for the three voting options. The letters are the first few letters of the extremely long name of the room, consisting of 2 letters from the usernames of all it's participants. The heart is to signafy an alliance with Mexico after it was attacked by the void. The subreddit is private.

SPQR

"Senatus PopulusQue Romanus" meaning "The Roman Senate and People" was the emblem of the ancient Roman Republic.

Hello Internet

Hello Internet is a podcast by Brady Haran and CGP Grey.

King of Sweden: Carl XVI Gustaf

Carl XVI Gustaf is the current king of Sweden, reigning from the 15th of September 1973 to present day.

Berliner (Doughnut, also a reference to a JFK quote)

Berliner is a traditional German pastry similar to a doughnut, but with no central hole. It is drawn with a hole in on r/place party because reddit is full of ignorant Americans with no respect to German traditions whatsoever. It can also seen as a reference to the famous JFK quote 'Ich bin ein Berliner' meaning 'I am a Berliner', which is wrongly considered as an embarrassing mistake in non-German speaking countries. It is actually a grammatically correct way of saying 'I am a Berlin citizen'. (For more info https://en.wikipedia.org/wiki/Ich_bin_ein_Berliner )

Former Purple Corner

One of the earliest powers, the purple corner took over a large portion of blue pixels. After continuously losing ground to various factions, the corner was completely wiped by the void.

Companion Cube

The companion cube is a character from the Portal series of video games by Valve.

The Kekistan/Rainbow Flag

4chan tried to join the /r/place party by drawing the "Kekistan Flag" using various scripts. The flag was quickly destroyed, when a Rainbow flag was drawn over it. The end result is a mix between both flags.

Newcastle flag

The flag for Newcastle, England

CLG logo

The logo for Counter Logic Gaming, an American eSports organization with teams in League of Legends, Overwatch, Counter Strike: Global Offensive, the Super Smash Bros. Series, and Hearthstone.

Flag of Prince Edward Island

The upper third of the flag features the English heraldic lion, which appeared both on the coat of arms of Prince Edward, Duke of Kent, for whom the province is named, and on that of King Edward VII. The lower two-thirds show an island on which appear small oak saplings – representing the three counties of PEI (Prince, Queens, and Kings) – under the protection of a great oak tree, which represents Great Britain.

Georgia Tech

Georgia Institute of Technology's logo with Buzz and some clean, old-fashioned hate against U[sic]GA. To Hell with georiga!

Silph Road logo

Logo of The Silph Road, a subreddit dedicated to researching Pokémon Go. The red R is the Team Rocket logo, to commemorate the April Fools event that the subreddit did where they were taken over by Team Rocket.