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Worm.is: The Game
Smash worms or slither trying! Warning: Incredibly addicting Multiplayer Game!
What players say
Steam review score and the most-helpful voices, which may include critical ones. Score via Steam as of 2026-09-27 · quoted reviews as of 2026-10-15.
“1. I fear for my life. 2. I fear others. 3. I fear my stupidity. Less laggy then slither.io. 10/10”
— a player, Steam review · 19 hrs played“A classic and fun game that you can basically play anytime, anywhere, using any device that is connected to the internet. I think the only downside is that the mobile version seems to have harder controls so it feels more difficult to control your worm. Customizable worm and…”
— a player, Steam review · 11 hrs played“Excerpt of the developer meeting: "I don't think they will notice if we make a very similar copy of the new hit game, slither.io!" "Yes, that's a great idea!" "What should we call this game?" "Maybe worm.io?" "No! People might know we're copying then!" "I have an idea, worm.is!"…”
— a player, Steam review · 0 hrs playedPlayer activity
Monthly average concurrent players. Live data self-collected from the Steam API · history through 2026-06 via SteamCharts.
Price tracking
US-region pricing (USD), sampled twice daily by our own tracker since 2026-07-11. Steam prices vary by region — always confirm your local price on Steam.
Latest official news
Developer announcements via the Steam news API — links go to the original posts. More across all games on the news hub.
Halloween!
🎃 THE HALLOWEEN UPDATE IS HERE! The Halloween Event has officially started! The event will run until November 9th and will feature an incredible Limited-Time Event! This is one of our biggest updates
Level 79 + New Items + Limited
Dear Players, We are happy to announce that the maximum level in Worm.is has been increased from 69 to 79! During the Birthday Event, new Limited Items will also be added to Worm.is for the first time
Mitos.is 11th Birthday Event Has Begun!
Mitos.is 11th Birthday Event Has Begun! Dear Players, The Mitos.is 11th Birthday Event has officially begun! For 11 incredible years, Mitos.is has grown together with its community, and to celebrate t
New Season
Dear Player, The new season is upon us, and the thrill is real! Engage in captivating endeavors and spirited competition until the journey reaches its peak on May 1st. Happy gaming, The Freakinware Te
Xmas Event Announcement!
Dear Player, We are excited to announce that the Xmas Event has just begun and will last till January 7th. During this period you may collect candies to obtain tons of free coins and powerful rewards.
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From our knowledge graph — ranked by shared traits, not a black box. Each card says why it's here.
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Screenshots
Official Steam store screenshots — click any shot to enlarge.
Facts & details
From the Steam store record, snapshot 2026-05-12.
| Genres | Casual, Free To Play |
| Player tags | Free to Play · Multiplayer · Casual · Funny · 2D · Strategy · Action · Competitive · Online Co-Op · Co-op · Arcade · Illuminati (SteamSpy community voting) |
| Features | Multi-player · Cross-Platform Multiplayer · Full controller support · In-App Purchases |
| Languages | English, French, Italian, German, Spanish - Spain, Portuguese - Brazil, Romanian, Danish, Dutch, Portuguese - Portugal, Turkish, Swedish |
| Controller | Full support |
| Official site | http://worm.is |
Minimum system requirements (PC)
Minimum: OS *: Windows 7 Processor: 2.33GHz or faster x86-compatible processor Memory: 512 MB RAM