Focus Challenge Δ Infinite
Train your focus in just 5 minutes a day. Anonymous. Free. No registration.
Tap the symbol that looks different from the others before the timer runs out.
Level 1 • Easy • 3×3 grid • 12 seconds focus window.
Complete 5–10 levels in a row to create a short, high-focus training session.
Online Focus Training Game with Infinite Levels
Focus Challenge Δ Infinite is a browser-based attention training game designed to help you improve concentration, selective attention and visual scanning speed. Play directly in your browser, with no registration, no download and no personal data required.
Each level is generated from a unique level and seed parameter, creating an infinite number of focus challenges. This makes every session different and keeps your brain constantly engaged with fresh visual tasks.
Key features of Focus Challenge Δ Infinite
-
Infinite focus levels – each level has its own URL with
?level=…&seed=…parameters, so you can bookmark and share exact challenges. - Adaptive difficulty – grid size, visual complexity and time limit gradually increase from Very Easy to Extreme.
- Fast browser game – runs directly in your browser without plugins, accounts or downloads.
- Short daily focus sessions – you can train for 3–5 minutes a day and still get measurable attention benefits over time.
- Anonymous and free – no email, no password, no personal tracking. Just open the page and play.
Explore example levels by difficulty
You can jump directly into focus training at different difficulty ranges:
Very Easy: Level 1 · Level 3 · Level 7
Easy: Level 15 · Level 25 · Level 35
Medium: Level 50 · Level 70 · Level 85
Hard & Extreme: Level 110 · Level 160 · Level 220
Each link opens the same game engine with a different combination of level and seed, which makes it easier for search engines to discover and index multiple focus training pages over time.
Focus session recommendation
For best results, try to complete 5–10 levels in a row during one visit. This short “focus sprint” is enough to activate your attention networks without mental fatigue.
You can combine Very Easy and Easy levels as a warm-up, then move towards Medium and Hard levels when you feel ready. Because every level is short, the game keeps your attention engaged while still respecting your time.
Many players use Focus Challenge Δ Infinite as a quick mental reset between tasks, online meetings or study sessions – a tiny ritual to clear distractions and return to deep work with a sharper mind.