Number Games · Play With Friends

Math games you actually play with people.

Bulls & Cows, Equation Duel, 24 Game, and Higher/Lower — invite a friend, pick a game, and have fun. Daily puzzles, Elo ratings, and leaderboards come along for the ride.

Live Match
Bulls & Cows Round 4
zeke_plays ELO 1,482
7
3
9
1
2B 1C
4
3
6
8
1B 1C
2
3
9
5
3B 0C
vs
yemi_0 ELO 1,391
5
1
2
8
0B 1C
_
_
_
_
···
4,219 players online now Bulls & Cows most played today 17,040 games played this week daily puzzle streak record: 94 days @kosi & @zeke_plays have played 38 games together new daily puzzle drops every morning — solve it with friends 4,219 players online now Bulls & Cows most played today 17,040 games played this week daily puzzle streak record: 94 days @kosi & @zeke_plays have played 38 games together new daily puzzle drops every morning — solve it with friends
01 —

Bulls & Cows

Take turns guessing each other's secret code. Each guess tells you bulls (right digit, right spot) and cows (right digit, wrong spot). 3–6 digits. Pure deduction, played together.

7
3
9
1
2B 1C
_
3
9
5
3B 1C
Turn-based
02 —

Equation Duel

Wordle — but the answer is a math equation. Every guess must be a valid equation. 6 guesses to find it. Share your result and see how your friends did on the same puzzle.

1
5
+
3
4
=
4
9
1
2
+
3
4
=
4
6
Turn-based
03 —

24 Game

Four numbers. Any operations. Make exactly 24. First to get it right wins — so it's a great laugh with friends who love a bit of mental maths.

6
4
3
8
 (6−4)×(3+8+1)?
Race mode
04 —

Higher / Lower Duel

Both players pick a secret number, then try to guess each other's with only higher/lower hints. Quick, simple, and surprisingly addictive to play with a friend.

50 ↑ Higher
75 ↓ Lower
63 ✓ Correct
Race mode

Instant Invites

One tap to challenge any friend. A lobby code pings their phone instantly. No waiting rooms, no matchmaking queue — just pick a game and jump in together.

🔥

Daily Streaks

Keep your daily puzzle streak alive and see how yours compares with friends. A small ritual that's more fun when you're doing it together.

🎯

Head-to-Head History

Your match history with friends is always there — see who's up, who's behind, and who keeps asking for a rematch.

Ranking System

Track your game.
See it grow.

Every game updates your Elo — per game type and across all games combined. It's a honest measure of how you're doing, and a fun way to see yourself improve as you play more with friends.

1200
Starting Elo
K=40
First 30 games
Bulls & Cows — Leaderboard
1 dara_wins 1,891 +18
2 kosi 1,754 +22
3 zeke_plays 1,702 −9
4 ada_m 1,644 +14
5 bayo99 1,601 −11
6 yemi_0 1,558 +6
Daily Puzzle #147 Equation Duel

Daily Puzzle

A new puzzle,
every day.

One Equation Duel and one Bulls & Cows puzzle drops daily for every player at the same time. Solve it, share your result with friends, and see how everyone did.

Same puzzle for everyone — compare results with any friend
Shareable result grid to send in the group chat
Streak counter — a small habit that's better when friends are in it too
Push notifications at 8 AM and 8 PM so you never miss
Ready to play?

Grab a friend.
Start a game.

No sign-up required. Guest play is instant — invite a friend and you're both in a game within seconds.