The Killithid's portals will continue to fire after the Killithid has been frozen.

This can be used to find the original quickly and without wasting bullets.

While firing, Killithid illusions can be pushed around but the original cannot.

If the original Killithid is being jammed by a Jammomancer and creates illusions, those illusions will be jammed, even if the Jammomancer is killed.

If the original Killithid is under a status effect such as poison when it creates illusions, only the original will have the status effect, allowing it to be easily spotted.

The symbols that appear above Killithid when it attacks (the blue X, the pink square, the red circle and the green triangle) are a reference to the PlayStation DualShock controller. Thanks to House of the Gundead's cutting edge Sinden Lightguns, which feature bone-shaking weapon-based haptic feedbacknot to mention a powerful 2.1 sound system with a dedicated subwoofer in the cabinetyou feel every shot when you squeeze the trigger.Its ammonomicon entry references the tagline of Metal Gear Solid, 'Tactical Espionage Action'.The Killithid also seems to be referencing the most common form of cthulhu, as per it's design.This enemy's name in a pun on kill and Illithid, a race of creatures from Dungeons and Dragons.The Killithid was added in the Supply Drop Update.

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