An Easter egg is an unexpected or undocumented feature in a piece of computer software or on a DVD, included as a joke or a bonus. There are many Easter eggs in the Sly Cooper series. This is a list of the known Easter eggs.
Sly Cooper and the Thievius Raccoonus
- Hot Dog Guy: In the job "At the Dog Track," there is a hot dog stand in the center of the race track. If looked at carefully, it is seen that the hot dog on the sign has the face of one of the employees of Sucker Punch Productions.
- Cooper Clan names: Many of the members of the Cooper Clan are named after employees at Sucker Punch.
Sly 2: Band of Thieves
- Cairo Paintings: In the tutorial there are paintings on the walls. These paintings contain portraits of bosses from the first game, early concept art for Sly Cooper, and the unwrapped skins of both Rocket and Jojo the raccoon from Rocket: Robot on Wheels.
- Dimitri's Remix: In the nightclub where Bentley does the job "Disco Demolitions," hit a turntable. The background music will restart, with Dimitri talking over it.
- Grave Stone: In the cemetery in A Tangled Web, some of the grave stones say "R.I.P. Rocket," referring to the main character from Sucker Punch's first game, Rocket: Robot on Wheels.
- Crypt of the Evil Wolf Priestess: In the same episode, head down into the Crypt of the Evil Wolf Priestess as Sly after completing the corresponding mission. Binocucom, then rotate the view around to face the coffin in the center of the room. Wait a few seconds, and depending on which pillar Sly is standing on, either Rocket or Jojo will appear, floating and rotating above the coffin. These characters are from Sucker Punch's first game, Rocket: Robot on Wheels.
- Attack Robot sees you: In Jailbreak, go towards the giant attack robot you disabled after completing the job. Stand around the corner on the ledge in front of it. Walk around the corner and keep your camera focused on the robot. If you are looking away from the robot its red eyes will appear.
Sly 3: Honor Among Thieves
- Alternate Biplane: In Flight of Fancy, while flying the bi-plane, pause the game and enter the code: . If entered correctly, when the game resumes, the plane is now the Toonami bi-plane.
- Star Wars: During the cutscene that introduces Ayer's Rock, Murray explains that he has been being trained by the Guru. One of the background pictures shows the Guru holding onto Murray's back, which is a reference to the Star Wars scene where Yoda trains Luke. Murray is even wearing similar clothing to that of Luke.
- Sly's ancestors/Sucker Punch Cast: In Dead Men Tell No Tales, there is a wedding poster on the "Pirate Grill" restaurant reading: "Dev & Karin's Wedding August the 5th". Dev Cooperinda and Karin Coopergiwa are actually two of ancestors Sly, as well as being on the Sucker Punch team.
The Sly Collection
- Hacking the title screen
You need the disc for this Easter egg. Start the game and hold down , , and when the Sanzaru Games logo comes up. Hacker code similar to the Sly 2 and Sly 3 hacking will pop up. Use the to move and the to shoot. You can tip over the monkey face by bumping into it.
- Credit Hacking: Select Sly Cooper and the Thievius Raccoonus. Once the game has been beaten, go to the movies area and highlight the credits. Hold while selecting the Credits. The credits for the Sly Collection start playing, and after a moment, Bentley's hacking avatar appears. You will be able to use this to shoot and destroy the credits. Getting 100% completion in this Easter egg does nothing.
Sly Cooper: Thieves in Time
- Green Lantern: In 40 Thieves during the job "Copy Cats" the hole that Murray and Sly go through looks like the Green Lantern symbol.
- Robin Hood: Sly's Archer Costume is much like Robin Hood famous outfit, which also has a bow, and he also steals from villains rather then the innocent.
- Back to the Future:
- Teenage Mutant Ninja Turtles:
- Bentley's Alter Ego minigame features him as a character that looks similar to a Teenage Mutant Ninja Turtle.
- In the prologue, when Bentley enters the sewers, he says "Interesting... the last time I was in these sewers, I was just a teenager!"
- There is a job in Medieval England called "Shell Shocked Heart," which is possibly a reference to the Teenage Mutant Ninja Turtles Sega Genesis game TMNT: The Hyperstone Heist. Whenever the turtles are knocked out by an enemy, they say "shell shock!".
- Star Wars:
- In Turning Japanese when Sly must impersonate a guard during the job "Breakout!," a guard comments that Sly "is a little short to be a commander," a reference to Leia asking Luke "aren't you a little short to be a storm trooper?"
- During "Getting Stronger" in Clan of the Cave Raccoon, Murray comments to Bob "Nice shot, but don't get cocky." This same line is said by Han Solo to Luke in A New Hope when he destroys the first TIE Fighter.
- Indiana Jones:
- In Go West Young Raccoon, one of the missions requires Murray to hold up a door for Tennessee to go through, so he slides under it but drops his hat, and quickly grabs it before Murray drops the door, like Indiana Jones does in Temple of Doom.
- In 40 Thieves, during the job where Salim must infiltrate the rug store, he will react to the cobras by saying "Snakes! Why did it have to be snakes?" Indiana Jones says this at the beginning of Raiders of the Lost Ark.
- Batman: The Ultimate Sly costume, available for 15 Sly Masks, is a clear reference to the D.C. Comics hero Batman. Not only does the outfit resemble the Batsuit, with its utility belt and cowl, the description also alludes to Batman. "Sly owns the darkest night in this costume. Cloaked in shadow, he's a tireless force for justice... and picking pockets!"
- Rocky: In Clan of the Cave Raccoon, during the mission where Murray trains Bob, there is a montage of numerous activities with music playing the the background. All Rocky movies have this training montage.
- Ratchet & Clank:
- Finding 50 Sly Masks unlocks Ratchet's Wrench to replace Sly Cooper's cane. It also replaces coins with bolts, the currency of the Ratchet & Clank games, which are worth double coins in this game.
- A treasure in Medieval England called the Medieval Metal Man looks similar to Clank with knights' armor.
- Jak and Daxter: In Clan of the Cave Raccoon there is a treasure called Lutrela Nivadensis that looks like a statue of Daxter in a caveman outfit.
- In the beginning cutscene, while Sly is talking about Murray's racing career, he says "Murray had been living his dream on the pro-driving circuit, where his Van had become famous, or rather, infamous, for all the crashes he'd caused."
- Finding 60 Sly Masks unlocks Cole's Amp to replace Sly's cane.
- Portal: The cake Murray ignores in the ending cutcene looks like the cake seen in the ending of Valve's Portal, a Black Forest Cake, without the candle. Salim also eats a cake like this earlier in the game.
- Looney Tunes:
- In the Wild West level, when a coyote guard performs its falling animation, they hold a sign saying Yikes! A reference to Wile E. Coyote.
- Right before the third boss fight, Murray comments that "he knew he should have made that left turn," referencing Bugs Bunny's left turn in Albuquerque line.
- Hungry Hungry Hippo: There is a job in Clan of the Cave Raccoon called "Starving Starving Hippo."
- God of War: In the job "Something's Fishy," you struggle to lift a gate as Murray by repeatedly tapping , similar to how Kratos opens gates in the God of War series.
- Photo Op: When taking the picture of the imperial prison, Clockwerk can be seen perching on top of it.
- Pretty in Pinker: Clockwerk can be found if you look south from the geisha building after Rioichi talks to Bentley.
Go West Young Raccoon
- Blind Date: Once you reach a section where the enemies are throwing dynamite at you from a place with a windmill and a water tower, you can look slightly above the windmill and see Clockwerk on top of a house.
Clan of the Cave Raccoon
- Stone Age Reconnaissance: After talking with Bentley, look on the top of the waterfall and you can see Clockwerk.
- Starving Starving Hippo: Before you start to go after the penguins, look up high and Clockwerk is perched on top of a large dinosaur tail bone.
Of Mice and Mechs
- Shopping Spree: After the conversation with Bentley in the beginning, you can find Clockwerk on top of the clock tower.
- Hard Target: Clockwerk is perched on one of the towers of the Black Knight's castle, up and to the left of the draw bridge when facing it.
- Copy Cats: When Sly gets to the room filled with treasure, jump onto the crate and look ahead at the path you should be on. With your Binocucom, you can see Clockwerk in the distance.
- There is a trophy called "Ancient Warfare 3", a spoof of the game Call of Duty: Modern Warfare 3.
- There is a trophy called "Navigate Like Drake" a reference to Nathan Drake, an explorer from Uncharted.
- An unlockable called Ultimate Bentley for 20 Sly Masks, gives him the appearance of Judge Dredd.
- During the job "Heavy Metal Meltdown," there are some green books that Bentley needs to jump to. Those books have Bentley's face on them.
- In the 40 Thieves episode safehouse there's a green elephant statue behind Sly. If you move around and then go back you'll notice that it will change the way it poses.
Previous Sly Games
- A treasure called the Dragon Claw Statue says that some believe it is the claw of a gigantic owl, referencing Clockwerk.
- If you look at the bottom of the statue, the words "Clockwerk was Here" can be seen scratched into it.
- There are five rewards which reference past games that are unlocked when you find the 30 clue bottles and open the vault in each area: Coopergiwa's Gold Magnet (Feudal Japan), Muggshot's Coin (Wild West), Clockwerk's Eye (Ice Age), Sir Raleigh's Frog Hat (Medieval England) and The Guru's Staff Piece (Ancient Arabia).