DELTOOLLAB — Δ ODD / EVEN
Look at the number and decide: is it ODD or EVEN? Pure micro-decision training.
0
Score: 0
Best: 0
• Numbers are from 1 to 99.
• Correct answer → +1 score. Wrong answer → score resets to 0.
• Best score is saved in your browser.
• Correct answer → +1 score. Wrong answer → score resets to 0.
• Best score is saved in your browser.
What is Δ ODD / EVEN Game?
A tiny reaction-training game. A number from 1 to 99 appears on the screen — your goal is to quickly decide if it is ODD (Δ) or EVEN (○).
If you are correct — your score increases. If you are wrong — score resets to zero. The challenge is to reach the longest streak of correct answers.
- Quick brain warm-up and decision-making game
- Numbers always random — no memorizing
- Personal Best Score is saved in the browser
- No registration. Anonymous. Fast.
Try to beat your own record — improve focus and speed with every round.