
Now
Pass and play
One phone goes round the table, and the whole game runs on it.
Each player looks at their word alone, then passes the phone on.
No Wi-Fi, no mobile data, no account.
Scores add up over every game of the evening.

Party game · 4–20 players
Halfword is a pass-and-play party game for one room, based on the word game Undercover. Most of the table shares a secret word, a few players get a nearby one, and sometimes one gets nothing at all. Describe yours without saying it, then vote out whoever sounds off.
One phone is enough. No account, no internet.
First the deal: the phone goes round, and each player sees their word in secret. Then the table plays round after round until one side wins.
One clue each, in turn. Never the word itself. Too vague looks suspicious, too exact gives it away.
Whose clue didn’t fit? Talk it over. Nobody says their word.
Then everyone votes: in secret as the phone goes round, or on three by pointing. The phone counts every vote, or the host just taps who got the most. A tie gets one more clue from each tied player, then a new vote.
The player with the most votes is out, and the phone shows what they were.
Caught Mr. White? They get one guess at the Civilians’ word. If it’s right, they steal the win.

The table wins when every Undercover and Mr. White is out.

The hunted win once as many of them are still in as the Civilians.

Mr. White wins on the spot by naming the Civilians’ word after being caught.
Your card shows only your word: Civilians and Undercovers aren’t told which they are. Only Mr. White knows his role. And colour is never the only clue: every role has its own shape.

Circle, cyan
Gets the word most of the table shares. Wins by finding everyone who doesn’t have it.

Triangle, rose
Gets a nearby word, tea while everyone else has coffee, and isn’t told it’s different. Wins by blending in.

Hollow square, paper
Gets no word at all. Listens, bluffs, and if caught, gets one guess at the Civilians’ word.
The app suggests how many Undercovers and Mr. Whites suit your group, and you can change it, play without Mr. White, or put the Undercovers on the table’s side.
Optional twists. Switch on any mix: six go to players on top of their role, and the Ghost and Mr. Meme change the rules for the whole table.
Breaks every tie, even after she’s out.
4+ players
Two linked players. If one goes, both go.
5+ players
Takes one player along when they go out.
5+ players
First of the two out loses 2 points, the other gains 2.
5+ players
The eliminated keep talking and voting.
4+ players
Each round, someone describes with gestures only.
4+ players
Once, the votes against them fly back at the voters.
4+ players
Scores 4 points for being the first one out, if on the table’s side.
5+ players
Play on one phone today. Later, everyone at the table will be able to use their own.

Now
One phone goes round the table, and the whole game runs on it.

Coming later
One phone or tablet hosts the table. If a player’s phone drops out, they use the host’s screen and the game goes on.
Word packs in English, German, Spanish, Russian, Belarusian and Ukrainian, each written on its own and never translated. Pairs rarely survive translation: clock and watch make a fine English pair, but German has Uhr for both.
Pick a difficulty from 1 to 5, and pairs your table played lately are skipped. The app itself comes in all six languages, and its language and the word language are set separately.
Civilianscoffee
Undercovertea
No account. Names, words and scores stay on your phones. Game statistics are off unless you turn them on, and even then they carry no names, nothing anyone typed and no device ID.
Halfword is out now on the App Store for iPhone and on Google Play for Android.


Wave, cheer, shrug or look suspicious: the game’s mascot comes as a set of custom emoji for Telegram.
Add the emoji to TelegramAdding and using custom emoji needs Telegram Premium. Everyone can see them in chats.
Both are very welcome. Halfword is still being made, and your feedback shapes it.
Email info@slnt-opp.xyz