Be A Legend
Even though I have not managed to hit 500, and not sure if I will be able to. This game is fun—to keep trying, keep practicing to hopefully hit all 500—so it makes you want to keep trying.
Free
In-App Purchases
About
Test your reflexes and speed by hitting targets in a daily challenge. Achieve perfection to become a legend. Compete with others globally on the same daily sequence.
✓Daily global challenge sequence
✓Test instinct, reaction, and speed
✓Unlimited training with one-off unlock
✓No ads or sign-up required
✓Game Center integration for leaderboards
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What's New in Isseki
1.0.6
November 1, 2026
Small improvements.
1
Subscriptions & In-App Purchases
$1.99
Unlimited Rounds
Play as many rounds as you like, every day.
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FAQ
What is Isseki?
Isseki is a game that challenges your instinct, reaction, and speed to hit targets. The goal is to hit all 500 marks without missing or leaving them too long.
How does Isseki work?
Every day at midnight in Japan, a new sequence of marks is generated for all players worldwide. Your best rounds are saved on your phone, and Game Center tracks your progress on the current day's sequence.
Can I play Isseki offline?
The provided information does not specify if Isseki can be played offline. However, daily sequences and Game Center integration suggest an online connection may be required.
Does Isseki have ads?
No, Isseki is ad-free. The description explicitly states there are no ads and nothing to sign up for.
How much does Isseki cost?
Isseki is free to download and offers three free rounds per day for training. An 'Unlimited Rounds' option is available as a one-off unlock for continuous training.
What devices support Isseki?
Isseki is currently supported on iPhone and iPod devices.
How often is Isseki updated?
The latest version, 1.0.6, was released on November 1, 2026. The app was initially released on October 16, 2026, indicating a recent update frequency.
What is the age rating for Isseki?
Isseki has an age rating of 4+, making it suitable for a wide range of players.
