what is costober?
31 days, 31 creative transformations. Join a worldwide community of makers, dreamers, and costume enthusiasts taking on the Costober challenge every October. Create a costume look, makeup design, or creative interpretation each day using our daily prompts.
Post your transformation on socials, hashtag it with #CostoberOfficial, and tag us @costoberofficial on Instagram and TikTok.
The goal? Build your creative confidence, connect with fellow makers, and discover just how imaginative you can be when you transform daily, create wildly, play freely.
How to play
Choose Your Style:
- Full costume, makeup only, accessories
Interpret Freely: Each prompt is intentionally open-ended. Let your imagination lead.
Share & Connect:
- Use #CostoberOfficial #Costober and #Costober2025
- Support fellow creators by following and engaging with their posts
- Document your journey with DIYs, thrift finds, makeup tutorials, even the bloopers!
Quick tips
✓ Start Simple - Not every day needs elaborate production
✓ Collaborate - Team up with friends or fellow creators
✓ Repurpose - Remix elements from previous days
✓ Skip When Needed - Life happens! Jump back in anytime
✓ Have Fun - Creativity over perfection, always
2025 Costober official prompt list
31 open-ended prompts ready for YOUR unique interpretation. Pure creative magic starting October 1st. Who's ready to transform? #CostoberOfficial