About
ARITHMETIC HOUR DEFENSE is a single player puzzle game. It was developed by Akifumi NONAKA and was released on September 6, 2025.
The original Japanese version of this game is also available at the following link. 日本語版でプレイしたい方はこちら (Click here to play the Japanese version) ARITHMETIC HOUR DEFENSE is an exciting educational game that fuses arithmetic drills with classic tower defense. Your castle is under siege by a horde of adorable monsters, and your greatest and only weapon is your brain! Click on a monster, solve …








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Frequently Asked Questions
ARITHMETIC HOUR DEFENSE is a puzzle game.
ARITHMETIC HOUR DEFENSE is available on Web Browser.
ARITHMETIC HOUR DEFENSE was released on September 6, 2025.
ARITHMETIC HOUR DEFENSE was developed by Akifumi NONAKA.
ARITHMETIC HOUR DEFENSE is a single player game.
Similar games include Ancient lands: the Tsar awakening, Lab 7: Cold Nights, Gemstone Defense, Zombo Buster Rising, Letter Quest: Grimm's Journey and others.





