Doomsday Trainer

Name: Doomsday Trainer
Availability: InStock
Author: Inefficient Code

Inefficient Code

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Über dieses Spiel

Have you ever wanted to instantly know what day of the week you were born on? Or what day January 1st, 2050 will fall on?

With the famous Doomsday Algorithm, you can calculate the exact weekday of any date in history using just mental math—and Doomsday Trainer is the ultimate arcade-style app to teach you how to do it.

Whether you want to sharpen your mind, practice mental arithmetic, or just learn an incredible party trick, this app provides everything you need to master the calendar.

CORE FEATURES:

🧠 Training Mode
Don't know the math yet? No problem. Training Mode breaks the algorithm down into bite-sized, learnable steps. If you get stuck, use our built-in 3-hint system and integrated Leap Year rules to guide you to the right answer.

⏱️ Game Mode
Once you understand the formula, it’s time to put your brain to the test! Race against the clock, build massive correct-answer streaks, and set new personal high scores.

👾 Retro 8-Bit Aesthetic
Mental math doesn't have to be boring. Enjoy a beautiful, minimalist green-screen design that makes calculating dates feel like playing a classic 1980s arcade computer terminal.

🌐 100% Offline & Private
No internet required, no forced accounts, no intrusive tracking, and absolutely no ads. Just you, your brain, and the numbers.

Download Doomsday Trainer today, master the algorithm, and become a mental time traveler!

Aktualisiert am

17.03.2026

Datensicherheit

Was die Sicherheit angeht, solltest du als Erstes verstehen, wie Entwickler deine Daten erheben und weitergeben. Die Datenschutz- und Sicherheitspraktiken können je nach deiner Verwendung, deiner Region und deinem Alter variieren. Diese Informationen wurden vom Entwickler zur Verfügung gestellt und können jederzeit von ihm geändert werden.