Real-time 1v1 · Logic duels · Play free

Competitive
brain
duels.

60-second logic duels against a real opponent. Every correct answer hits their HP — out-think them before the timer runs out. No login, no setup, play instantly in your browser.

Logic duel vs. a real player
Ranked matches running now
Ranked players
Top ELO
262
Live problems
mindrift.app/arena
Live match preview
Real-time 1v1 brain duels — see it in action.
Battle formats

Choose your mode

Four modes live now, two more in Season 02. Each one is tuned for a different mental gear — pure reflex, ranked tension, friend-vs-friend trash talk, or strategic drafting.

01
Live
Quick duel
Instant matchmaking. Five rounds. No ELO at stake — pure reflex against a random opponent.
02
Ranked
Ranked ladder
ELO on the line. Static through Godhead, seasonal resets, exclusive rank cosmetics per tier.
03
Custom
Custom challenge
Generate a link, pick a topic, send it to whoever talks the most trash. "1v1 me on calculus. Now."
Season 02
05
Weekly
Tournament hub
Weekly brackets, school cups, clan wars. Pro leagues with growing prize pools, spectated live.
Season 02
06
Team
Team Rift
3v3 and 5v5 clan battles. Specialize roles — Math Tank, Code DPS, Logic Support. Brain ARAM.
Core loop

How you climb

A 30–180 second loop, tuned for flow state.

01
Queue up
Instant matchmaking finds an opponent at your ELO in under a second.
02
Problem drop
An algorithm, math, or hybrid problem lands for both players at once.
03
Execute
Correct answers deal damage. Watch your opponent's HP collapse in real time.
04
Climb
Drain their HP — ELO shifts, XP rolls in, replay auto-formats for sharing.
Global ladder

Live rankings

Updated in real time. Play a ranked match to appear here.

#
Player
Tier
ELO
Wins
Engine

Under the hood

Everything running live. No mocks, no stubs — real infrastructure.

Multiplayer
Socket.io real-time engine. Server-authoritative state. Sub-100ms round trip on local deploys.
Math engine
KaTeX renders all LaTeX client-side. Seeded RNG keeps both players on the same problem set.
Code sandbox
Piston-backed sandbox runs submitted code against hidden test cases with a 5s timeout.
Effects
Canvas particle bursts, screen shake, combo multipliers, procedural Web Audio synthesis — all live.
Anti-cheat
Server-side timing analysis. Suspiciously fast answers auto-flag to admin review.
ELO system
Standard ELO with seasonal resets. Six tiers active: Static through Godhead.
Economy
Coins earned per match. Spend on name colors and titles. Cosmetics persist to your profile.
Mobile
Responsive down to 320px. Portrait layout active. Haptic feedback on timer and damage.
Founding access

Join the vanguard

The arena is live. Sign up now — the first 500 players permanently earn the Founding badge and a Season 1 Battle Pass. No credit card. No waitlist. Play instantly.

Enter arena
Free forever tier · Season 1 active · No card required

Your legend begins here.

No installation. Zero setup. Play instantly in your browser.

Enter arena