$0.99, iPad, iPhone, Android, Kindle, Windows, Mac OSX

Teaches: logic, memory, problem solving, spatial learning

iPad, iPhone, Android, Kindle, Windows, Mac OSX, Chrome

Teaches: English, Arabic, Czech, Dutch, French, German, Greek, Hindi, Hungarian, Indonesian, Italian, Japanese, Korean, Polish, Portuguese, Romanian, Russian, Simplified Chinese, Spanish, Traditional Chinese, Turkish, Ukrainian, Vietnamese

Windows, Mac OSX

Teaches: programming, debugging, logic, math, science, STEM

$26.95, Windows, Mac OSX, Internet Site, iPad, PlayStation 4, Wii U, Xbox One

Teaches: social gaming, spatial relations, maps

$150200, Windows, Mac OSX

Teaches: creativity, pen-based computing

Windows, Mac OSX, Internet Site

Teaches: science, space travel, history, astronauts

$4.99, Windows, Mac OSX, iPad, iPhone, Android

Teaches: science, creativity, building, physics, forces, potential energy

$50, Windows, Mac OSX

Teaches: Reading, comprehension, word recognition

$69.95, Windows

Teaches: reference, research skills

Windows, iPad, iPhone, Android, Chrome

Teaches: geography, science

$9.95, Windows with Internet Connection

Teaches: socialization, logical problem solving

$49.99, IBM, Mac, Apple II, Windows, Mac OSX

Teaches: counting, clocks, combining parts, letters, upper/lower-case, and words.

$15, Win 95, Win 3.1, Mac OS (CD-ROM) Not Windows XP

Teaches: writing and creativity

$18, Mac CD-ROM, Windows CD-ROM

Teaches: problem solving, logical thinking, animal facts, shapes

$19.95, Windows CD-ROM, Mac CD-ROM

Teaches: deductive thinking, problem solving

$13, CD-ROM for Mac, DOS and Windows

Teaches: problem solving skills, memory, counting, addition, subtraction

$29.95, Mac CD-ROM, Windows CD-ROM, Mac, Win, DOS (dual platform CD)

Teaches: creativity, critical thinking, memory, problem solving, patterns

$29.95, DOS, Mac, Apple II, Mac CD-ROM, Windows

Teaches: US history, geography

$13, Mac, DOS, Windows (disk or CD-ROM)

Teaches: math, counting, sets, sequencing by size, shapes