1. The Seven Deadly Sins
(Photo Credit) This group costume is a great idea for your group of seven. Who doesn’t want to dress up and be a deadly sin? This is an awesome DIY costume that you can make with your friends and not spend a fortune on.
2. Batman Villains
(Photo Credit) This is a group costume than can accommodate any large group. With a list of 100 Batman villains you have plenty of options to choose from. You can go old school with a forgotten villain like Doctor Hurt, go with something in the middle like the Riddler, or go with the most recent movie villain and choose Bane. There are so many options with this one you can’t go wrong!
3. Three Blind Mice
(Photo Credit) This costume is perfect for a group of three. Create your own canes, grab a headband with mouse ears, and throw on a black outfit and you’re set. You never know who you will run into at the Halloween party, so don’t forget the sunglasses.
4. The Sims
(Photo Credit) Another great idea for a group costume this Halloween. This costume is cheap, and you can have an unlimited number of people in your group. Don’t forget the true sign of a Sim — the green diamond.
5. Cereal Box Mascots
(Photo Credit) Each member of your group can pick their favorite cereal and become the cartoon on the box! The best thing about this costume is you won’t get hungry throughout the night. Grab a box of your cereal and you’re set!
6. Mario Karters
(Photo Credit) This group costume might take a little more time to put together, but you will definitely get complimented on your efforts. If you’re going with the traditional Mario Kart game, then this is perfect for a group of eight.
7. Trolls
(Photo Credit) This simple costume will turn all the heads. If you don’t already have one, pick up a nude-colored dress, and then all you need is a wig! Another costume with that works for any sized group.
8. Piñata
(Photo Credit) Another great DIY costume. Grab some candy and you’re ready to go. If you have a little extra time bring along a creative stick or bat to complete the look. Again, this simple costume can go along with any sized group.
9. Jack Torrance (the Shining) and the Twins
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(Photo Credit) This is the kind of costume only those who love horror movies can pull off. If you’ve seen the movie you know how creepy these characters are. If you want to dress up as Jack and his family, the costume is great for a group of three (especially if you have a young child), and the twins costume is best for two. Make the costumes as creepy as you can!
10. Characters from Kill Bill
(Photo Credit) This group costume can come from many different parts of the movie. Depending on what part of the movie you want to dress up as you can have a large or small group. As you can see in this picture, you don’t even need to be a main character from the movie! And come on, who doesn’t want to dress up as a badass for Halloween?
11. American Ninja Warriors
(Photo Credit) This show has become extremely popular lately. Don’t feel like getting all dressed up this Halloween? Grab a pair of gym shorts and create an American Ninja Warrior shirt to go with it. Grab as many friends as you want for this group costume.
12. Shark Week
(Photo Credit) Literally. Shark. Week. This can work for either a group of five, or a group of seven. The shark hats definitely make the costume, so be sure not to leave those out! This is another awesome DIY idea for Halloween.
13. The Players from the Game of Clue
(Photo Credit) The ultimate whodunnit? This group costume works best with a group of six. Pick your favorite character and dress up as them, but don’t forget your murder weapon!
14. Sanderson Sisters
(Photo Credit) Halloween isn’t complete until you watch at least a few minutes of Hocus Pocus. This group costume is made for three, with the possibility of four if you want to include Billy. Don’t forget your book of spells!
15. Rock — Paper — Scissors
(Photo Credit) This costume is ideal for a group of three. Who didn’t play this game as a child, or as a couple trying to decide who has to get up? There won’t be any questions at the Halloween party about who your group is supposed to be.
16. Liquor Cabinet
(Photo Credit) Everyone has their drink of choice. Why not dress up as yours? This group costume is fit for any amount of people. It’s also a cheap DIY costume if you use clothes you already have.
17. Black & White Film Stars
(Photo Credit) With this costume you can be an old-time movie star, just make sure you have plenty of powder! Perfect for those with an old soul, and ideal for a group of two.
18. French Kiss
(Photo Credit) This is a new spin on the rock group Kiss. You can work this costume with any number of group members, but it’s meant for four. Bring some French bread and you’ve got the look, not to mention the perfect snack to soak up the night’s drinks.
19. Characters from Charlie & the Chocolate Factory
(Photo Credit) This is the perfect family costume. Pick your favorite characters and become them for the night. Grab a Wonka bar,a golden egg, and a golden ticket and you’ve completed the look. Also good for large groups.
20. 101 Dalmatians and Cruella De Vil
(Photo Credit) Essentially, this group costume idea could work for up to 102 people! You could throw a Halloween party just for this group costume!
21. Saved By the Bell
(Photo Credit) Bring your costume back to your childhood days. This costume can work great for a group of six friends. Choose from Kelly, Zack, Lisa, A.C. (Slater), Jessie, and Screech. If you’re Zack, don’t forget your old school brick cell phone.
22. Britney Spears
(Photo Credit) Britney Spears has had some pretty memorable music video outfits. This group costume idea allows you and your friends to pick your favorite outfits and try them out yourself. It’s Britney, bitch!
23. Toy Green Army Men
(Photo Credit) This costume is great for any sized group. You might have had these toys as a child, or maybe you remember them from the movie Toy Story. This costume is original, and is sure to be a hit at any Halloween party.
24. Publishers Clearing House Winner and Crew
(Photo Credit) Winner winner chicken dinner. Talk about an original costume. This costume can fit a group up to seven people. You have the Publishers Clearing House crew consisting of sound man and all. The winner gets to be comfortable all night in an oversized robe. Don’t forget the balloons, million dollar check, and a bottle of cheap champagne!
25. American Horror Story — Coven
(Photo Credit) Good for a group of five, but you can really make this work for any size group. Dress up in the uniform and you’re ready to go. It’s the old school Halloween idea of being a witch, with a new sense of style and modern twist on the costume.
26. Victoria’s Secret Fashion Show Models
(Photo Credit) There are always crazy costumes in the Victoria’s Secret fashion show. This group costume allows you to come up with your own crazy costumes while keeping it sexy and classy. Great for any sized group.
27. Snowmen
(Photo Credit) This is an easy DIY costume idea. Good for groups of two or more. Grab some black pants, white shirt, hat and scarf and the rest is up to you. Throw some creative touches on it (maybe a carrot nose) and make it your own!
28. The Addams Family
(Photo Credit) The Addams family and Halloween go hand in hand. Perfect for a group or family of eight. You might have to draw straws for who gets Cousin It, but you can’t go without him!
29. The ‘Spice’ Girls
(Photo Credit) Not what you typically think when you hear Spice Girls. That’s what makes this costume that much better! Grab a group of friends and pick out your spices. This DIY costume allows you to be as creative as you want.
30. Lego Men
(Photo Credit) If you are really dedicated to standing out this Halloween, then this is the perfect group costume for you! Don’t worry, you can actually see through their mouths. Good for a group of five, but you can go up or down from there.
Featured photo credit: Diy Group Halloween Costumes For Adults via upcycledtreasures.com