| Former Countries by Territory Map | 0 | - | 4.96 | 104,265 |
| Empires by Maps | 0 | - | 4.98 | 122,646 |
| Merged Company Logos #1 | 0 | - | 4.90 | 107,692 |
| Islands by Shape #2 | 0 | - | 4.88 | 59,613 |
| Visual Memory Test - Random Cartoons | 0 | - | 4.98 | 105,731 |
| Play-Doh People from History | 0 | - | 4.99 | 95,809 |
| Famous Landmarks Out Of Focus #1 | 0 | - | 4.89 | 61,772 |
| Jeppy in Disguise #1 | 0 | - | 4.92 | 50,166 |
| Circular Cutouts from a World Map | 0 | - | 4.98 | 62,314 |
| All Country Flags of the World | 0 | - | 5.00 | 3,727,344 |
| What Do These Two Countries Have in Common? | 0 | - | 4.98 | 72,657 |
| What Am I Talking About? #1 | 0 | - | 4.81 | 55,491 |
| What Am I Talking About #2 | 0 | - | 4.83 | 32,953 |
| History - Did They Have It? | 0 | - | 4.85 | 62,353 |
| History: What Came First? #1 | 0 | - | 4.87 | 106,164 |
| History: What Came First? #2 | 0 | - | 4.81 | 80,234 |
| Years in History #1 - Multiple Choice | 0 | - | 4.82 | 70,728 |
| Multiple Choice Geography #3 | 0 | - | 4.81 | 74,668 |
| Country Confusion | 0 | - | 4.98 | 62,874 |
| Years in History by Picture | 0 | - | 4.45 | 35,953 |
| Famous Foreheads #1 | 0 | - | 4.47 | 75,569 |
| Country Flags Quiz #1 | 0 | - | 4.98 | 2,548,208 |
| Country Flags Quiz #2 | 0 | - | 4.99 | 1,098,474 |
| Country Flags Quiz #3 | 0 | - | 4.97 | 737,271 |
| Merged Company Logos #2 | 0 | - | 4.75 | 78,486 |
| Historical Events - AD or BC? | 0 | - | 4.70 | 57,908 |
| Science Multiple Choice #1 | 0 | - | 4.53 | 87,092 |
| Name that Object #1 | 0 | - | 3.57 | 96,656 |
| Animals by Skeleton Image | 0 | - | 4.81 | 47,072 |
| Make a Stained Glass Window | 0 | - | 5.00 | 69,226 |
| Flags with Crescents | 0 | - | 4.98 | 171,827 |
| Country Flag Trivia | 0 | - | 4.82 | 58,352 |
| Country Flags with Eagles - Picture Quiz | 0 | - | 4.98 | 105,222 |
| Country Flags with the Union Jack | 0 | - | 4.87 | 78,674 |
| Pixelated Flag Quiz | 0 | - | 4.97 | 88,958 |
| Flag Emblems Scavenger Hunt | 0 | - | 5.00 | 68,156 |
| Flags by Horizontal Stripes #1 | 0 | - | 4.84 | 86,204 |
| Country Flags with the Sun - Picture Quiz | 0 | - | 4.81 | 53,667 |
| Real vs. Fake Flags | 0 | - | 4.98 | 126,154 |
| Ultimate Car Logos Quiz | 0 | - | 4.81 | 185,090 |
| National Football Team Logos | 0 | - | 4.85 | 188,570 |
| Has Anyone Ever Done It #1 | 0 | - | 4.81 | 55,710 |
| What's Bigger? #1 | 0 | - | 4.87 | 151,646 |
| Northern Hemisphere... or Southern Hemisphere? | 0 | - | 4.95 | 111,603 |
| Old Movies by Picture | 0 | - | 4.51 | 25,298 |
| Musical Instruments by Picture #2 | 0 | - | 4.24 | 47,355 |
| Random Logos Quiz | 0 | - | 4.33 | 209,996 |
| Pictures by Letter - A | 0 | - | 4.18 | 33,707 |
| Pictures by Letter - J | 0 | - | 4.31 | 40,337 |
| Pictures by Letter - B | 0 | - | 4.32 | 44,328 |
| Pictures by Letter - D | 0 | - | 4.14 | 37,859 |
| Pictures by Letter - M | 0 | - | 4.24 | 38,070 |
| Drink It, Play It, or Spend It | 0 | - | 4.44 | 28,541 |
| Which Came First? | 0 | - | 4.37 | 75,096 |
| Science Multiple Choice #2 | 0 | - | 4.37 | 36,800 |
| Science Multiple Choice #3 | 0 | - | 4.39 | 34,886 |
| Fruits by Picture | 0 | - | 4.19 | 809,916 |
| Geography by Picture - B | 0 | - | 4.42 | 55,842 |
| Geography by Picture - H | 0 | - | 4.50 | 58,441 |
| Geography by Picture - N | 0 | - | 4.45 | 42,406 |
| Geography by Picture - R | 0 | - | 4.56 | 41,203 |
| Geography by Picture - T | 0 | - | 4.54 | 58,058 |
| Flags to Languages | 0 | - | 4.95 | 174,731 |
| All North American Pro Sports Logos | 0 | - | 4.72 | 116,702 |
| Similar Country Flags - Multiple Choice Quiz | 0 | - | 4.94 | 51,170 |
| Literature Multiple Choice #1 | 0 | - | 4.51 | 41,135 |
| Literature Multiple Choice #2 | 0 | - | 4.45 | 34,776 |
| Diseases: Virus... or Bacteria? | 0 | - | 4.61 | 39,010 |
| Multiple Choice Animal Quiz #1 | 0 | - | 4.50 | 56,419 |
| Geography True or False #2 | 0 | - | 4.41 | 88,396 |
| Geography True or False #3 | 0 | - | 4.42 | 78,511 |
| Geography True or False #4 | 0 | - | 4.49 | 82,538 |
| History True or False #3 | 0 | - | 4.43 | 57,329 |
| Geography True or False #1 | 0 | - | 4.48 | 123,771 |
| Geography True or False #6 | 0 | - | 4.62 | 55,678 |
| Head to Head - Countries #1 | 0 | - | 4.99 | 132,792 |
| Head to Head - Countries #2 | 0 | - | 4.96 | 94,231 |
| Head to Head - Animals | 0 | - | 4.88 | 70,142 |
| History Multiple Choice #1 | 0 | - | 4.41 | 82,418 |
| Years in History #2 - Multiple Choice | 0 | - | 4.42 | 41,844 |
| History Multiple Choice #2 | 0 | - | 4.43 | 50,243 |
| History Multiple Choice #3 | 0 | - | 4.45 | 48,939 |
| History Multiple Choice #5 | 0 | - | 4.49 | 32,640 |
| Three Real and One Fake - World History | 0 | - | 4.44 | 38,559 |
| Multiple Choice Geography #1 | 0 | - | 4.77 | 137,022 |
| Multiple Choice Geography #2 | 0 | - | 4.46 | 90,198 |
| Movie Quotes Multiple Choice #1 | 0 | - | 4.46 | 33,970 |
| Three Real and One Fake - World Geography | 0 | - | 4.52 | 98,753 |
| World Statistics - Up or Down? | 0 | - | 4.62 | 39,148 |
| Name that Object #2 | 0 | - | 3.63 | 15,553 |
| Name that Object #3 | 0 | - | 3.93 | 14,484 |
| Pick a Picture - Animal Relations | 0 | - | 4.94 | 56,006 |
| Name that Historical Figure #1 | 0 | - | 4.63 | 341,173 |
| Name the Pixelated Landmark | 0 | - | 4.85 | 63,697 |
| Car Logos Quiz #1 | 0 | - | 4.52 | 545,482 |
| Pictures by Letter - E | 0 | - | 3.51 | 34,698 |
| Pictures by Letter - G | 0 | - | 4.14 | 28,444 |
| Pictures by Letter - L | 0 | - | 4.14 | 30,815 |
| Pictures by Letter - F | 0 | - | 4.18 | 29,320 |
| Pictures by Letter - Z | 0 | - | 4.05 | 23,640 |
| Pictures by Letter - Y | 0 | - | 4.21 | 26,494 |
| Pictures by Letter - R | 0 | - | 4.05 | 24,971 |
| Pictures by Letter - K | 0 | - | 4.18 | 25,333 |
| Pictures by Letter - I | 0 | - | 4.16 | 30,626 |
| Pictures by Letter - N | 0 | - | 4.12 | 24,702 |
| Pictures by Letter - P | 0 | - | 4.05 | 26,250 |
| Pictures by Letter - U | 0 | - | 4.10 | 20,982 |
| Pictures by Letter - T | 0 | - | 4.34 | 27,912 |
| Three Real and One Fake - Country Flags | 0 | - | 4.97 | 84,907 |
| Name that Bug | 0 | - | 4.12 | 45,661 |
| Islands by Shape #1 | 0 | - | 4.33 | 84,564 |
| Elements by Picture | 0 | - | 4.27 | 70,412 |
| Rocks and Minerals Picture Quiz | 0 | - | 4.48 | 29,558 |
| Islands by Picture | 0 | - | 4.28 | 107,990 |
| Classic Movies by Movie Posters | 0 | - | 4.45 | 24,492 |
| Famous Landmarks Out Of Focus #2 | 0 | - | 4.37 | 41,640 |
| Animals by Close-up Image | 0 | - | 4.42 | 219,587 |
| Aquatic Mammals by Picture | 0 | - | 4.41 | 46,076 |
| Extinct Animals by Picture | 0 | - | 4.49 | 35,559 |
| Mammals by Picture #1 | 0 | - | 4.69 | 92,598 |
| International Footballers by Picture | 0 | - | 4.51 | 56,752 |
| Name that Historical Figure #2 | 0 | - | 4.42 | 287,527 |
| Name that Historical Figure #5 | 0 | - | 4.43 | 109,741 |
| Name that Historical Figure #7 - U.S. Edition | 0 | - | 4.51 | 51,805 |
| Geography by Picture - A | 0 | - | 4.39 | 60,501 |
| Geography by Picture - D | 0 | - | 4.15 | 45,833 |
| Geography by Picture - F | 0 | - | 4.31 | 51,241 |
| Geography by Picture - G | 0 | - | 4.39 | 48,133 |
| Geography by Picture - J | 0 | - | 4.16 | 38,644 |
| Geography by Picture - K | 0 | - | 4.29 | 33,302 |
| Geography by Picture - C | 0 | - | 4.31 | 57,296 |
| Geography by Picture - L | 0 | - | 4.37 | 59,193 |
| Geography by Picture - M | 0 | - | 4.14 | 40,633 |
| Geography by Picture - P | 0 | - | 4.24 | 42,615 |
| Geography by Picture - S | 0 | - | 4.38 | 47,221 |
| Miscellaneous Flags Quiz | 0 | - | 4.42 | 282,479 |
| Flag Maths | 0 | - | 4.61 | 57,870 |
| Satellite Images #1 | 0 | - | 4.46 | 130,141 |
| Satellite Images Quiz #2 | 0 | - | 4.64 | 109,996 |
| Satellite Images Quiz #4 | 0 | - | 4.55 | 89,492 |
| Satellite Images Quiz #5 | 0 | - | 4.52 | 50,332 |
| Satellite Images Quiz #6 | 0 | - | 4.50 | 39,291 |
| Cities by Picture #1 | 0 | - | 4.74 | 86,706 |
| Soccer Team Logos | 0 | - | 4.26 | 378,576 |
| Car Logos Quiz #2 | 0 | - | 4.43 | 264,424 |
| Video Game Logos Quiz | 0 | - | 4.40 | 185,333 |
| Movie Logos | 0 | - | 4.33 | 240,899 |
| Brand Logos That Start with A | 0 | - | 4.52 | 71,388 |
| History by Picture - A | 0 | - | 4.26 | 46,247 |
| History by Picture - B | 0 | - | 4.40 | 49,445 |
| History by Picture - C | 0 | - | 4.33 | 54,989 |
| History by Picture - F | 0 | - | 4.35 | 38,279 |
| History by Picture - G | 0 | - | 4.40 | 42,516 |
| History by Picture - D | 0 | - | 4.29 | 44,745 |
| History by Picture - E | 0 | - | 4.25 | 44,328 |
| History by Picture - H | 0 | - | 4.37 | 37,163 |
| History by Picture - K | 0 | - | 4.35 | 33,685 |
| History by Picture - M | 0 | - | 4.17 | 36,464 |
| History by Picture - N | 0 | - | 4.40 | 41,604 |
| History by Picture - O | 0 | - | 4.39 | 36,618 |
| History by Picture - T | 0 | - | 4.20 | 33,609 |
| Name that Nut, Seed, or Bean | 0 | - | 4.57 | 57,883 |
| Multiple Choice General Knowledge #6 | 0 | - | 4.54 | 30,144 |
| SAT Vocabulary Words Starting With A | 0 | - | 4.43 | 22,900 |
| SAT Vocabulary Words Starting With D | 0 | - | 4.55 | 20,322 |
| SAT Vocabulary Words Starting With C | 0 | - | 4.51 | 19,428 |
| SAT Vocabulary Words Starting With E | 0 | - | 4.53 | 20,268 |
| History True or False #1 | 0 | - | 4.53 | 103,849 |
| History True or False #2 | 0 | - | 4.41 | 67,982 |
| Animals - Real or Fictional? | 0 | - | 4.57 | 49,922 |
| Has Anyone Ever Done It #3 | 0 | - | 4.56 | 51,616 |
| Has Anyone Ever Done It #2 | 0 | - | 4.46 | 47,414 |
| Science True or False | 0 | - | 4.35 | 40,576 |
| Geography True or False #5 | 0 | - | 4.36 | 58,168 |
| Does it Exist? | 0 | - | 4.54 | 61,931 |
| Band... or Gang? | 0 | - | 4.35 | 54,803 |
| History Multiple Choice #4 | 0 | - | 4.35 | 50,401 |
| Multiple Choice General Knowledge #5 | 0 | - | 4.55 | 43,209 |
| Multiple Choice General Knowledge #7 | 0 | - | 4.42 | 41,831 |
| Three Real and One Fake - Movies | 0 | - | 4.41 | 25,002 |
| History Multiple Choice #6 | 0 | - | 4.46 | 18,275 |
| SAT Vocabulary Words Starting With G | 0 | - | 4.52 | 15,737 |
| Multiple Choice Geography #4 | 0 | - | 4.64 | 19,614 |
| SAT Vocabulary Words Starting With I | 0 | - | 4.66 | 16,406 |
| History True or False #4 | 0 | - | 4.48 | 33,668 |
| Country Flags Multiple Choice | 0 | - | 4.97 | 145,743 |
| Brand Logos Quiz #1 | 0 | - | 4.83 | 2,442,230 |
| Art Works Picture Quiz #1 | 0 | - | 4.51 | 120,013 |
| Art Works Picture Quiz #2 | 0 | - | 4.49 | 106,144 |
| Musical Instruments by Picture #1 | 0 | - | 4.52 | 269,960 |
| Foods by Picture | 0 | - | 3.81 | 226,773 |
| Flowers by Picture | 0 | - | 4.46 | 105,897 |
| Junk Foods by Picture | 0 | - | 3.69 | 96,847 |
| Art Works Picture Quiz #3 | 0 | - | 4.45 | 49,033 |
| Christmas by Picture | 0 | - | 4.26 | 28,243 |
| Hats by Picture | 0 | - | 4.21 | 18,029 |
| Weapons by Picture | 0 | - | 4.13 | 21,233 |
| Cars by Picture | 0 | - | 3.89 | 41,875 |
| Reptile Picture Quiz | 0 | - | 4.32 | 14,404 |
| Authors by Picture | 0 | - | 4.48 | 25,658 |
