Tap prime numbers as they float across the screen within a time limit. This speed math game offers multiple difficulty levels, a combo system for score multipliers, and a training mode to hone your skills. Compete globally on the leaderboard and customize your challenge with digit selection.
2.2.0
June 18, 2026
Daily play just got better — use your gear freely! ◆ Way more items • Daily login now grants every item type, and the longer your streak the more you get each day (up to 7 of each) • Bigger rewards from daily missions, challenges, and ads ◆ Daily refill & item conversion • Equipped items top up automatically every day • Convert spare items 1:1, or craft an Ultimate from 10 of them ◆ New: Ultimate slot (a once-per-game special) • 30-Second mode — Prime Rush: the whole board instantly turns into 2s! • Prime Musou — Prime Rampage: wipe the screen + unlimited barrier for 8s ◆ Musou risk items retuned • Surge & Overdrive drop their score multiplier and instead crank enemy spawn rate and speed — high-risk items where volume and skill earn the points Plus minor tweaks and bug fixes.
Moreレビューありがとうございます！ 楽しんでいただけているとのこと、とても嬉しいです コンボ継続中の重さについては、ver1.1.1にて負荷軽減の対応を行いましたので、改善が見られるかと思います。 また、さらに動作が軽くなるよう改善策を検討してまいります。コンボ継続の文字についても調整中になります。 運要素が大きい点はご指摘の通りで、ゲームバランスの調整を検討しております。また、より実力を反映しやすい新モード「素数ジャッジ」も追加しましたので、ぜひ試してみてください！ 今後ともよろしくお願いいたします
Prime Nerd is a speed math game where players tap prime numbers as they appear on screen before time runs out. It features multiple difficulty levels and a global leaderboard for competition.
Numbers appear as bubbles on the screen. You must tap only the prime numbers within a 30-second time limit. Tapping a non-prime number counts as a miss.
Yes, Prime Nerd contains advertisements. You can watch a short video ad to enjoy 1 hour of ad-free play.
Prime Nerd offers four difficulty levels: EASY, NORMAL, HARD, and a secret LEGEND mode that can be unlocked.
Yes, Prime Nerd includes a Training Mode that allows you to practice identifying prime numbers without the pressure of a timer, helping to sharpen your skills.
Prime Nerd is currently supported on iPhone devices.
The latest version of Prime Nerd is 2.2.0, and it was last updated on June 18, 2026. Updates typically include bug fixes and new features.
Prime Nerd supports both Japanese and English languages, making it accessible to a wider audience.
