The game
What is Wavelength Online?
Wavelength Online is a free, browser-based version of the social guessing game where two teams try to read each other's minds. Every round hides a target somewhere on a spectrum between two opposite ideas — Cold ↔ Hot, Overrated ↔ Underrated, Fantasy ↔ Sci-fi — and one player gives a single clue to steer their team toward it.
You can play Wavelength Online right here on this page. There is nothing to install, no account, and no sign-up. The whole game runs on one phone, tablet, or laptop that you pass around the group, which makes this online party game a quick pick for house parties, road trips, classrooms, team ice-breakers, and the table at a bar. It shines with four or more people split into two teams, though a smaller group still works.
New here? Read the full how-to-play guide or browse the FAQ — otherwise, just tap Peek above and start a round.
The deck
181 spectrum pairs, sorted into 7 themes
Every round draws from a hand-picked deck of 181 opposite pairs. By default a card can come from anywhere in the deck, but the 🏷️ tag button next to the sound icon opens a picker that narrows the pool to just the themes your group wants — draws stay fully random, you're just choosing which shelf they're pulled from. Your selection is remembered for next time.
Everyday & Abstract112 pairs
- Beautiful ↔ Ugly
- Classy ↔ Trashy
Society & Ideas19 pairs
- Legal ↔ Illegal
- Utopia ↔ Dystopia
People & Relationships15 pairs
- Dog person ↔ Cat person
- Extrovert ↔ Introvert
Pop Culture & Media13 pairs
- Good movie ↔ Bad movie
- The Dark Side ↔ The Light Side
Food & Drink10 pairs
- Highly addictive ↔ Mildly addictive
- Spicy ↔ Mild
Nature & Pets8 pairs
- Hairy ↔ Hairless
- Good dog breed ↔ Bad dog breed
Spicy4 pairs
- Sexy ↔ Unsexy
- Firm ↔ Limp
Pick a single theme for a themed round, stack a few together, or leave every box checked for the default free-for-all mix.
Turn order
How to play, in a nutshell
Each round, the active team peeks at a hidden target on the dial and gives one clue that lands between the two poles. Everyone else drags the pointer to where they think that clue belongs and locks it in, and then the other team bets whether the true target is to the left or the right. The closer the guess, the more points — a bullseye is worth 4 — and the first team to 10 wins.
Read the full guide → How to Play Wavelength Online, with setup, scoring, clue tips, and house rules.
Good to know
Wavelength Online vs. the board game
The tabletop party game needs the physical dial, the screen, and a box on the table. Wavelength Online keeps the same core — a hidden target, one clue, a team guess, and a left-or-right bet — but replaces all the hardware with a single web page. There is no setup, no lost pieces, and a new spectrum every round.
It is not a replacement for game night so much as the version you reach for when the box is not around: at a restaurant, on a call, or when a group forms on the spot. Play Wavelength Online free, no download required.
Questions
Common questions
Yes, Wavelength Online is completely free, with no download and no sign-up. It works on any phone, tablet, or computer, plays best with four or more people in two teams, and a full game takes about ten to fifteen minutes.
See all questions → Wavelength Online FAQ, including devices, small-group play, and whether this is the official game.