Shout Out / Geometry Dash

Levels

• Geometrical Dominator is this to Super Mario Bros..
• Deadlocked has a section resembling Jetpack Joyride.

Icons

• The icons from some of the first levels resemble some of the lowercase letters from the Oxygene 1 font, which is also the title's font.
• The icon for typing 'spooky' in the vault resembles a Shy Guy.
• The icon for typing 'seven' in the vault resembles Finn the Human.
• The icon for the Nice Shot achievement resembles a turn block from Super Mario World.
• The icon for collecting 110 secret coins resembles Deadpool.
• The icon for collecting 10 user coins resembles a mushroom from Super Mario Bros. 3.
• The icon for collecting 60 user coins resembles BamBam.
• The icon for collecting 110 user coins resembles Robocop.
• The icon for collecting 150 user coins resembles Iron Man.
• The icon for collecting 15 Lava Shards resembles a Thwomp.
• The icons for opening 100 Treasure Room chests and for collecting 35 Poison Shards resembles Shoop Da Woop.
• The icon for collecting 2,000 diamonds resembles Kirby.
• The icon for collecting 3,000 stars resembles Meat Boy.
• The icon for rating 2,000 online levels resembles Batman.
• The icon for completing Stereo Madness, Back on Track, and Polargeist on the Steam version is the Companion Cube.
• The icon for completing Jumper resembles Ogmo.
• The icon for completing Clubstep on the Steam version resembles the Steam logo.
• The icon for completing Hexagon Force resembles the Creeper.
• The icon for collecting all the secret coins in Theory of Everything 2 resembles a Boo.
• The icon for collecting all the secret coins in Deadlocked resembles Wolverine.
• One of the secret shop icons resembles Kratos.
• The icon for collecting all three keys resembles Punisher's logo.

Ships

• The ship for collecting 75 secret coins resembles Porygon.
• The ship for collecting 30 user coins resembles Elliot.
• The ship for collecting 800 user coins resembles the Jet Star.
• The ship for collecting 35 of every kind of Shard resembles a Chain Chomp.
• The ship for collecting 3,500 stars resembles the Mon Calamari.

UFOs

• The UFO for getting a star-featured level resembles Stitch.
• The UFO for completing 30 map packs resembles Bowser's Clown Car.

Waves

• A wave resembling the all-seeing eye/illuminati symbol is obtained by sequentially typing Lost's numbers, multiplied by two, in the vault.
• The wave for collecting 5 Shadow Shards resembles an X-Wing.
• The waves for collecting 2,500 stars and for typing 'Ahead' in the vault resemble Metroids.

Robots

• The robot for collecting 100 user coins resembles Master Chief's helmet.
• The robot for completing Deadlocked resembles Iron Man.
• One of the community shop robots resembles Zero.
• One of the community shop robots resembles Stormfly.
• One of the community shop robots resembles Guy Manuel De Homem-Christo's helmet.

Spiders

• One of the community shop spiders resembles Stakataka. Another is based on Mega Gengar.
• One of the Treasure Room spiders resembles Shoop Da Woop.

Swings

• One of the swings is based on Kirby.

Blocks

• Teleportation portals are blue and orange, just like Portal.

Loading Screen Messages

• A wild RubRub Appeared!
• What's a Ninja Muffin?
• It's Over 9000!
• Starting the Flux Capacitor

Achievements

• "All your base…" for completing Base after Base in Practice mode.
• "Hexagonest" for completing Hexagon Force in Practice mode.
• "RIP AND TEAR" for beating 160 Demon levels.
• "Gotta beat them all" for beating 180 Demon levels.
• "We are going to steal the moon" for collecting 9000 Moons.
• "Jump, Forrest, Jump" for completing a Map Pack.
• ''Diamond is Unbreakable" for collecting 25,000 Diamonds.

Other

• A couple of the messages in the unlock info for icons earned through secret chests:
  • A key... My kingdom for a key...
  • You have no power here.

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