Number Delver

Number Delver logo

Number Delver

Number Delver is a fast-paced arcade game for all ages that challenges mathematical reasoning skills and knowledge. Help the Delver collect the correct answers on each level to escape the planet! Dodge the Ignorunts that will try to catch you, or transform into Super Delver to defeat them! Use power-ups to master the board and control the chaos! Available now for iOS and Android.


🌕 Zany graphics and sound and a groovy original soundtrack keep players engaged as they train memory and knowledge!

👾 Five different enemies will chase, distract, and even try to trick you!

💣 Slapstick power-ups help you evade the Ignorunts and maximize your score!

🏆 Compete for high scores and record your progress in the Hall of Fame!

📡 Completely customizable gameplay including types of math content, math difficulty, and game challenge! Adjust to practice toward individual learning goals.

No ads! Zero! Zilch! Play offline with no annoying or inappropriate commercial distractions.

Number Delver is free to download, contains no ads, and has no online features, making it appropriate for home and school play. The “multiples” game type is free to play. A single in-app purchase unlocks all game content types (factors, primes, equality, and inequality) and settings options, allowing parents or teachers to customize the learning experience for different learner levels.

Available now for iOS and Android.

Screenshot of Number Delver gameplay

Available Languages

  • Arabic
  • Basque
  • Catalan
  • Chinese (Traditional)
  • English (US)
  • French
  • Frisian (West)
  • German
  • Greek
  • Hausa
  • Irish
  • Italian
  • Lakota
  • Luxembourgish
  • Norwegian (Bokmål)
  • Polish
  • Portuguese (Brazil)
  • Portuguese (Europe)
  • Romanian
  • Russian
  • Serbian
  • Slovak
  • Spanish (Latin America)
  • Spanish (Europe)
  • Ukrainian


Designed and produced by

Derek Lackaff

Code and graphics by

Marcos Quijada



Sound and music by

Martin Wold Lande


Localization Credits

LanguageCreditDiscover More
ArabicMohamed Salah Aissa Larousse
BasquePatxi Berhouet Euskara, the basque language
CatalanDavid Plaza Garcia
Chinese (Traditional)Chico Games Localization
FrenchMyrt Cherel
Frisian (West)Stephan Berger
GermanPascal Cop
GreekStefanos Karampalis
HausaTanko Zinai
IrishMalachy Reynolds
ItalianArianna D'Andrea
LakotaPeter Hill Saving the Lakota Language through Immersion Education | Peter Hill | TEDxBrookings
LuxembourgishMohamed Boutaiba
NorwegianMartin Wold Lande
PolishJacek Wacior
Portuguese (Brazil) Júlia Rosa
Portuguese (Europe)Tiago Mesquita
RomanianAnca Moșescu
RussianJelena Punger
SerbianNikola Bulj
SlovakErika Maneková
Spanish (Europe)David Plaza Garcia
Spanish (Latin America)Marcos Quijada
UkrainianAhnessa Pashynska

Hackranch makes high-quality interactive experiences available in all the world’s languages, especially indigenous, minoritized, and less-spoken languages. Please contact us if you would like to contribute a new Number Delver translation in your language or dialect (it’s easy!), or if you are a teacher and would like to discuss using a Hackranch product in your classroom!