Math Earth Defense

Contains adsIn-app purchases
Content rating
Everyone
10+
Downloads
Teacher Approved
Content rating
Everyone
Learn more
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About this game

Defend Earth one calculation at a time!

Math Earth Defense is an arithmetic action game where you enter the answer to a falling equation and fire a rocket. Turn repeated practice into arcade play with combos, items, Fever lasers, and boss battles.

■ GAME-STYLE ARITHMETIC PRACTICE
• Enter the answer and fire to clear equations.
• Build combos with consecutive correct answers and trigger Fever Mode.
• Use varied item effects and stay focused through boss battles.

■ PRACTICE AT YOUR LEVEL
• Work through addition, subtraction, multiplication, and division.
• Follow progressive training from basic skills upward.
• Use Custom mode to choose operations and number ranges.

■ SEE YOUR PROGRESS
• Review daily and weekly question counts, accuracy, and results by operation.
• Earn medals and improve your local best records.
• Join the world ranking when you choose.

■ COLLECT AND CUSTOMIZE
• Defeat bosses to meet aliens with special math challenges.
• Solve their questions to recruit them as allies and collect unique abilities.
• Earn stars to unlock rocket, background, laser, card, and explosion skins.

Enjoy focused, repeatable arithmetic practice in a retro space arcade. It is made for learners, families, and anyone who wants to keep their mental calculation skills active.

This game contains ads and an optional in-app purchase.
Learning records and local scores are stored on your device by default. When you use the world ranking, the information needed to submit your score is sent to the ranking service.
Practice arithmetic through missions, combos, items, and space battles.
Updated on
Aug 13, 2026

Data safety

Safety starts with understanding how developers collect and share your data. Data privacy and security practices may vary based on your use, region, and age. The developer provided this information and may update it over time.
  • This app may share these data types with third parties
    Location, Personal info and 3 others
  • This app may collect these data types
    Location, Personal info and 3 others
  • Data is encrypted in transit
  • You can request that data be deleted

What’s new

- Added a scratch pad for alien companion recruitment challenges.
- Work out each problem directly on the game screen.
Content rating
Everyone
Learn more

App support

About the developer
손기혁
orakase83@gmail.com
도약로 36 라일락마을, 2313동 1103호 원미구, 부천시, 경기도 14508 South Korea