Easter Eggs

Asylia

 * Rohn appears in the intro of the stage, as well as near the end of the battle.
 * Demonic letters appear on two towers, saying "Deceit" and "Hatred", referencing Asylia's hatred of the Mokai and their deception to prolong and further ignite the war.

Big Daddy: Flood

 * Erol appears to swim erratically, with his mechanical arm weighing more than his other arm.
 * He appears to swim normally if using KG Commander.

Heihachi Mishima: Blast-Off

 * Jin appears in the same manner as he did in Heihachi's Tekken 5 ending and tries to free himself.
 * Erol has almost his entire body tied up, almost unable to move, and has an infuriated expression.
 * If using KG Commander, Erol's chains are shrunk down to fit his body.

The Doctor

 * In the Doctor's Arcade opening, he said that Polygon Man was once made in 1995 until he was removed as a mascot

Blossom

 * Blossom's two alternate colours from her default costume is based on Bubbles and Buttercup

Clank

 * Clank's alternate colors of Metal Skin are based in his recorded version from Ratchet & Clank: A Crack in Time.
 * Clank's second color for Secret Agent is based in Klunk appearance in Secret Agent Clank.

Dr. Nefarious

 * Nefarious's second color for Evil Scientist is based on his appearance in Ratchet & Clank: A Crack in Time.

Erol

 * Erol's second color for both KG Cyborg and KG Commander are based on the Elite Guards.
 * Erol's third color for both KG Cyborg and KG Commander are based on the Freedom League.
 * Erol's fourth color for Dark Warrior is colored similarly to Light Jak.

Kulche

 * Kulche's second and third color of Energetic Youngster are based on Priffy and Tupley.

Marshal Luger

 * Luger's second color is similar to the F.R.O.G.'s from Metal Gear Solid 4.
 * Luger's third color is a reference to Old Snake's sneaking suit in Metal Gear Solid 4.

Red Ranger (Samurai)

 * Red Ranger's colours on his default costume is based on the Blue, Green and Gold Rangers

Sailor Moon

 * Sailor Moon's second colour is based on Sailor Mercury
 * Sailor Moon's third colour is based on Sailor Mars
 * Sailor Moon's fourth colour is based on Sailor Chibi Moon
 * Sailor Moon's second alternate costume is based on Tuxedo Mask

Tigershark

 * Tigershark's second color for Jungle's Beast is based in Mutant Tigershark from Invizimals.

Tyhrranoid

 * Second, third and fourth colors of Three-Eyes are based in One-Eyed, Two-Eyed and Five-Eyed Tyhrranoid respectively.