Alien is a skin that completely transforms Guest 1337 into an extraterrestrial. Alien appears as an Alien variant of Guest 1337, featuring a pale blue skin colour, unique hair and face distinguishing him from other skins, alien antennas, and an astronaut space suit. A serious guy who used to have a wife before turning into an alien, now he uses his strength to kill and feed their alien friends. Talks seriously and dominant, but also calmly.

Alien makes Chance's clothes become all-green and changes his flintlock to Transmorph Ray Gun and changes his coin to a light-blue one. When shooting, the sound of an electric shot will play instead of the regular shooting sound effect. Additionally, his face changes to become more cat-like or alien, and he gains antennas on both sides of his head. Knows English very well and will speak it when wanted, they like gambling and finding stuff. They act like a sheriff which they aren't but act. Talks cheeky and teasing but acts cool when calm.

Alien makes the outlines of 007n7's skin become a light green, and triangle's of the same color streak across the still normal skin. His shirt is replaced with a purple shirt having the original bloxxer badge across the front. His usual burger hat, seen in most of his skins, is replaced with an another alien named Gleebor Gleebus. More aware of his surroundings but hardly notices them. He uses his coolgui to spawn whatever but he can't spawn powerful things but he can spawn alien things. Sometimes talks nervously but talks more aware, His voice is always quiet.

Alien turns Veeronica into an Alien, as the name implies, she now becomes green, and gains two Alien antennas on her head, she also has lightning rods coming out of the sides of her head, she only wears one glove on her left hand, two rods poke out of her hat with stars on them and she wears a necklace with a star on it, she also has a UFO on her torso, not-functioning, of course. Cheerful and always excited, sometimes speaking English on accident. Talks happily and cheerful, when calm they act normal. She seems to notice everything of tiniest details.

Alien makes Elliot's skin become green, his shirt and visor become blue, and makes him gain green alien ears/antennas. The text on the visor has been changed from English to alien gibberish (being Roblox to Zobloink), and there is now a planet symbol on the right hand side of his shirt. They have a blue pizza box with purple pizzas, blue pepperoni, and an eye on the top of the pizza. They are the one who feeds the others, basically the food giver. They always give humans the pizza to make them more weak so Guest 1337 can take care of it easier. Stays calm and speaks happily, they mostly talk cool and calm.