Competitive Number Games

Not a game collection.
A competitive platform.

NumVs brings Bulls & Cows, Equation Duel, 24 Game, and Higher/Lower Duel together under one social layer — real Elo ratings, friend rivalries, daily puzzles, and a reason to open the app every day.

Free to Play No Sign-up Required 4 Games Real Elo Ratings Daily Puzzles

The Games

Four games.
One rivalry.

Classic number and math games, rebuilt as head-to-head competitive matches. Each game type has its own Elo leaderboard.

Game How It Works Mode
Bulls & Cows
Turn-based
Crack your opponent's secret code. Each guess yields bulls (right digit, right position) and cows (right digit, wrong position). Configurable 3–6 digits.
1v1 · Turn
Equation Duel
Turn-based
Wordle for math equations. A hidden equation is revealed through 6 guesses with colour hints. Every guess must itself be a valid equation.
1v1 · Turn
24 Game
Race mode
Four numbers appear simultaneously. Use +, −, ×, ÷ to make exactly 24 faster than your opponent. First correct answer wins.
1v1 · Race
Higher / Lower Duel
Race mode
Both players pick a secret number. Race to guess the opponent's number with only higher/lower feedback. Fewest guesses wins.
1v1 · Race

Platform Features

The social layer
is the product.

The games are the content. What makes NumVs different is everything built around them.

01 —
Real Elo Ratings

Per-game Elo and a combined score across all games. Starting at 1200 with a K-factor of 40 for your first 30 matches, then 20. Your rating reflects your actual skill.

02 —
Friend Challenges

Generate a 6-character lobby code and share it anywhere. Online friends get a push notification instantly. No matchmaking queue — just you and them.

03 —
Win Streaks

Consecutive wins tracked per game type and globally. Streaks reset on a loss and are visible on leaderboards. Defend yours — or go hunting for someone else's.

04 —
Daily Puzzles

One Equation Duel and one Bulls & Cows puzzle per day, simultaneously for all players worldwide. Share your result as a colour grid. Streak counter tracks consecutive days.

05 —
Rival System

Players you match with repeatedly become rivals. Your head-to-head record is displayed every time you meet — extra motivation in every match.

06 —
Guest Play

No sign-up required. Start playing as a guest in seconds with a random username. Upgrade to Google or Apple sign-in at any time — all progress is preserved.

By the Numbers

Built for real competition.

4
Games Available
1200
Starting Elo
K=40
Early K-factor
Free
Always

Download NumVs.
Free.

No sign-up required. Guest play is instant — start your first match in under 30 seconds.