| Flowers by Picture | 0 | - | 4.46 | 105,730 |
| Name that Bug | 0 | - | 4.12 | 45,588 |
| Former Countries by Territory Map | 0 | - | 4.96 | 103,115 |
| Empires by Maps | 0 | - | 4.98 | 120,958 |
| Merged Company Logos #1 | 0 | - | 4.90 | 106,792 |
| Islands by Shape #2 | 0 | - | 4.88 | 59,344 |
| Reptile Picture Quiz | 0 | - | 4.32 | 14,318 |
| Visual Memory Test - Random Cartoons | 0 | - | 4.98 | 104,708 |
| Play-Doh People from History | 0 | - | 4.99 | 95,063 |
| Famous Landmarks Out Of Focus #1 | 0 | - | 4.89 | 61,243 |
| Circular Cutouts from a World Map | 0 | - | 4.98 | 61,755 |
| All Country Flags of the World | 0 | - | 5.00 | 3,680,355 |
| Megadiverse Countries | 0 | - | 4.96 | 135,024 |
| Tectonic Plates Map Quiz | 0 | - | 4.99 | 81,718 |
| Country Flags Quiz #1 | 0 | - | 4.98 | 2,540,103 |
| Country Flags Quiz #2 | 0 | - | 4.99 | 1,094,319 |
| Country Flags Quiz #3 | 0 | - | 4.97 | 734,417 |
| Trees in the Answer | 0 | - | 4.25 | 45,882 |
| Years in History by Picture | 0 | - | 4.44 | 35,607 |
| Animals by Skeleton Image | 0 | - | 4.81 | 46,665 |
| Make a Stained Glass Window | 0 | - | 5.00 | 68,686 |
| Famous Foreheads #1 | 0 | - | 4.47 | 75,093 |
| Flags with Crescents | 0 | - | 4.98 | 170,112 |
| Country Flag Trivia | 0 | - | 4.81 | 57,361 |
| Country Flags with Eagles - Picture Quiz | 0 | - | 4.98 | 104,144 |
| Country Flags with the Union Jack | 0 | - | 4.87 | 77,813 |
| Pixelated Flag Quiz | 0 | - | 4.97 | 87,797 |
| Flag Emblems Scavenger Hunt | 0 | - | 5.00 | 67,495 |
| Flags by Horizontal Stripes #1 | 0 | - | 4.84 | 85,481 |
| Country Flags with the Sun - Picture Quiz | 0 | - | 4.83 | 53,052 |
| Real vs. Fake Flags | 0 | - | 4.98 | 124,727 |
| Ultimate Car Logos Quiz | 0 | - | 4.81 | 181,824 |
| National Football Team Logos | 0 | - | 4.85 | 180,858 |
| Merged Company Logos #2 | 0 | - | 4.75 | 77,776 |
| Animal Varieties #1 | 0 | - | 4.48 | 92,983 |
| A Whale of a Quiz | 0 | - | 4.41 | 36,107 |
| Animal Varieties #3 | 0 | - | 4.54 | 55,462 |
| Animal Stereotypes | 0 | - | 4.48 | 37,337 |
| Animal Ranges - Do They Live There? | 0 | - | 4.70 | 44,251 |
| Natural Features of Countries #1 | 0 | - | 4.87 | 83,900 |
| Countries with Fjords | 0 | - | 4.94 | 101,050 |
| Tectonic Plates on a Map | 0 | - | 4.97 | 35,749 |
| Layers of the Earth and Atmosphere | 0 | - | 4.96 | 50,566 |
| Name that Object #1 | 0 | - | 3.57 | 96,533 |
| Flags to Languages | 0 | - | 4.95 | 173,925 |
| Similar Country Flags - Multiple Choice Quiz | 0 | - | 4.94 | 50,698 |
| Famous Trees in Nature and Fiction | 0 | - | 4.38 | 18,461 |
| Animals by Range on a World Map | 0 | - | 4.96 | 25,635 |
| Head to Head - Animals | 0 | - | 4.88 | 69,711 |
| Bodies of Water on the World Map | 0 | - | 5.00 | 52,462 |
| World's Longest Rivers | 0 | - | 4.90 | 137,042 |
| Draw All Country Borders and Borderless Countries | 0 | - | 4.99 | 164,342 |
| 3 and 4 Letter Trees | 0 | - | 4.21 | 17,270 |
| Fruits by Picture | 0 | - | 4.19 | 807,991 |
| Old Movies by Picture | 0 | - | 4.51 | 25,149 |
| Musical Instruments by Picture #2 | 0 | - | 4.24 | 47,130 |
| Geography by Picture - B | 0 | - | 4.42 | 55,676 |
| Geography by Picture - H | 0 | - | 4.50 | 58,282 |
| Geography by Picture - N | 0 | - | 4.45 | 42,252 |
| Geography by Picture - R | 0 | - | 4.56 | 41,071 |
| Geography by Picture - T | 0 | - | 4.54 | 57,901 |
| Random Logos Quiz | 0 | - | 4.33 | 208,800 |
| All North American Pro Sports Logos | 0 | - | 4.70 | 115,577 |
| Pictures by Letter - A | 0 | - | 4.18 | 33,513 |
| Pictures by Letter - J | 0 | - | 4.31 | 40,134 |
| Pictures by Letter - B | 0 | - | 4.32 | 44,085 |
| Pictures by Letter - D | 0 | - | 4.14 | 37,683 |
| Pictures by Letter - M | 0 | - | 4.24 | 37,880 |
| Animal Varieties #2 | 0 | - | 4.40 | 66,741 |
| Types of Bears | 0 | - | 4.51 | 143,825 |
| Deadly Animals | 0 | - | 4.03 | 110,670 |
| Famous Animals #1 | 0 | - | 4.03 | 239,788 |
| Famous Animals #2 | 0 | - | 4.02 | 57,534 |
| Famous Animals Quiz #3 | 0 | - | 4.24 | 43,358 |
| Animal Facts | 0 | - | 4.15 | 43,008 |
| Cat Knowledge | 0 | - | 4.48 | 25,829 |
| Bear Knowledge | 0 | - | 4.54 | 35,112 |
| Cow Knowledge | 0 | - | 4.46 | 24,281 |
| Elephant Knowledge | 0 | - | 4.41 | 23,981 |
| Multiple Choice Animal Quiz #1 | 0 | - | 4.50 | 56,247 |
| Animals in World History | 0 | - | 4.74 | 44,577 |
| Human Taxonomy | 0 | - | 4.68 | 18,930 |
| Landforms Fill in the Blank | 0 | - | 4.41 | 91,774 |
| Three Real and One Fake - Country Flags | 0 | - | 4.97 | 84,328 |
| Pick a Picture - Animal Relations | 0 | - | 4.94 | 55,593 |
| Name that Historical Figure #1 | 0 | - | 4.63 | 338,137 |
| Name the Pixelated Landmark | 0 | - | 4.84 | 63,171 |
| Car Logos Quiz #1 | 0 | - | 4.52 | 540,933 |
| World's Longest Rivers on a Map | 0 | - | 4.91 | 87,957 |
| Rivers of Europe Quiz | 0 | - | 4.89 | 56,581 |
| Countries With No Rivers | 0 | - | 4.96 | 76,918 |
| Name a Valid Country on Each River | 0 | - | 4.95 | 62,286 |
| 50 Rivers on a World Map | 0 | - | 4.96 | 38,079 |
| 100 Rivers on a World Map | 0 | - | 4.99 | 100,799 |
| Countries That Touch the Baltic Sea | 0 | - | 4.98 | 116,074 |
| North Sea Countries | 0 | - | 4.92 | 87,495 |
| Black Sea Countries | 0 | - | 4.87 | 60,652 |
| Countries That Touch the Red Sea | 0 | - | 4.90 | 65,454 |
| Caspian Sea Countries | 0 | - | 4.90 | 63,548 |
| Seas on the World Map | 0 | - | 4.96 | 135,547 |
| Seas of the World | 0 | - | 5.00 | 157,415 |
| Countries with the Shortest Coastlines | 0 | - | 4.89 | 67,280 |
| Trace the Coast of Europe with a Map | 0 | - | 4.93 | 78,962 |
| Trace the Coast of Afro-Eurasia with a Map | 0 | - | 5.00 | 59,517 |
| Trace the Coast of the World Map | 0 | - | 4.99 | 55,902 |
| Islands by Shape #1 | 0 | - | 4.33 | 84,419 |
| 1970s Celebrities by Picture #1 | 0 | - | 4.20 | 58,050 |
| 1970s Celebrities by Picture #2 | 0 | - | 4.21 | 50,773 |
| Elements by Picture | 0 | - | 4.27 | 70,081 |
| Name that Object #2 | 0 | - | 3.64 | 15,469 |
| Rocks and Minerals Picture Quiz | 0 | - | 4.48 | 29,386 |
| Islands by Picture | 0 | - | 4.28 | 107,256 |
| Name that Object #3 | 0 | - | 3.93 | 14,425 |
| Classic Movies by Movie Posters | 0 | - | 4.45 | 24,314 |
| 1980s Movie Silhouettes | 0 | - | 4.97 | 104,113 |
| Famous Landmarks Out Of Focus #2 | 0 | - | 4.37 | 41,356 |
| Animals by Close-up Image | 0 | - | 4.42 | 218,561 |
| Aquatic Mammals by Picture | 0 | - | 4.41 | 45,784 |
| Extinct Animals by Picture | 0 | - | 4.49 | 35,333 |
| Mammals by Picture #1 | 0 | - | 4.70 | 92,028 |
| 1940s Celebrities by Picture | 0 | - | 4.43 | 48,089 |
| International Footballers by Picture | 0 | - | 4.50 | 55,895 |
| Name that Historical Figure #2 | 0 | - | 4.42 | 285,074 |
| Name that Historical Figure #5 | 0 | - | 4.43 | 107,995 |
| Name that Historical Figure #7 - U.S. Edition | 0 | - | 4.51 | 50,958 |
| Geography by Picture - A | 0 | - | 4.39 | 60,326 |
| Geography by Picture - D | 0 | - | 4.15 | 45,711 |
| Geography by Picture - F | 0 | - | 4.31 | 51,072 |
| Geography by Picture - G | 0 | - | 4.39 | 48,001 |
| Geography by Picture - J | 0 | - | 4.16 | 38,515 |
| Geography by Picture - K | 0 | - | 4.29 | 33,175 |
| Geography by Picture - C | 0 | - | 4.31 | 57,129 |
| Geography by Picture - L | 0 | - | 4.37 | 59,040 |
| Geography by Picture - M | 0 | - | 4.14 | 40,507 |
| Geography by Picture - P | 0 | - | 4.24 | 42,481 |
| Geography by Picture - S | 0 | - | 4.38 | 47,088 |
| Miscellaneous Flags Quiz | 0 | - | 4.42 | 280,999 |
| Country Flags Multiple Choice | 0 | - | 4.97 | 144,847 |
| Flag Maths | 0 | - | 4.64 | 57,792 |
| Satellite Images #1 | 0 | - | 4.47 | 129,487 |
| Satellite Images Quiz #2 | 0 | - | 4.63 | 109,404 |
| Satellite Images Quiz #4 | 0 | - | 4.55 | 88,992 |
| Satellite Images Quiz #5 | 0 | - | 4.52 | 50,010 |
| Satellite Images Quiz #6 | 0 | - | 4.50 | 39,045 |
| Cities by Picture #1 | 0 | - | 4.73 | 86,185 |
| Soccer Team Logos | 0 | - | 4.26 | 375,649 |
| Brand Logos Quiz #1 | 0 | - | 4.83 | 2,428,735 |
| Car Logos Quiz #2 | 0 | - | 4.43 | 262,663 |
| Video Game Logos Quiz | 0 | - | 4.40 | 184,368 |
| Movie Logos | 0 | - | 4.33 | 239,144 |
| Brand Logos That Start with A | 0 | - | 4.52 | 70,670 |
| Pictures by Letter - E | 0 | - | 3.51 | 34,556 |
| Pictures by Letter - G | 0 | - | 4.14 | 28,254 |
| Pictures by Letter - L | 0 | - | 4.14 | 30,644 |
| Pictures by Letter - F | 0 | - | 4.18 | 29,135 |
| Pictures by Letter - Z | 0 | - | 4.05 | 23,519 |
| Pictures by Letter - Y | 0 | - | 4.21 | 26,369 |
| Pictures by Letter - R | 0 | - | 4.05 | 24,838 |
| Pictures by Letter - K | 0 | - | 4.18 | 25,196 |
| Pictures by Letter - I | 0 | - | 4.16 | 30,459 |
| Pictures by Letter - N | 0 | - | 4.11 | 24,562 |
| Pictures by Letter - P | 0 | - | 4.05 | 26,120 |
| Pictures by Letter - U | 0 | - | 4.10 | 20,840 |
| Pictures by Letter - T | 0 | - | 4.34 | 27,756 |
| History by Picture - A | 0 | - | 4.26 | 45,937 |
| History by Picture - B | 0 | - | 4.40 | 49,121 |
| History by Picture - C | 0 | - | 4.36 | 54,636 |
| History by Picture - F | 0 | - | 4.35 | 38,001 |
| History by Picture - G | 0 | - | 4.40 | 42,252 |
| History by Picture - D | 0 | - | 4.29 | 44,441 |
| History by Picture - E | 0 | - | 4.25 | 44,056 |
| History by Picture - H | 0 | - | 4.37 | 36,897 |
| History by Picture - K | 0 | - | 4.35 | 33,455 |
| History by Picture - M | 0 | - | 4.17 | 36,234 |
| History by Picture - N | 0 | - | 4.40 | 41,361 |
| History by Picture - O | 0 | - | 4.39 | 36,401 |
| History by Picture - T | 0 | - | 4.20 | 33,395 |
| Name that Nut, Seed, or Bean | 0 | - | 4.63 | 57,413 |
| French Animal Words | 0 | - | 4.44 | 134,649 |
| Spanish Animal Words | 0 | - | 4.53 | 95,806 |
| Words Containing Animals #1 | 0 | - | 4.21 | 43,562 |
| Words Containing Animals #2 | 0 | - | 4.09 | 34,466 |
| Pack Animals | 0 | - | 4.18 | 10,398 |
| Lion Trivia | 0 | - | 4.19 | 16,413 |
| Mammal Knowledge #1 | 0 | - | 4.20 | 19,682 |
| Mammal Knowledge #2 | 0 | - | 4.13 | 18,521 |
| Insect Knowledge #1 | 0 | - | 4.38 | 12,406 |
| Insect Knowledge #2 | 0 | - | 4.22 | 8,984 |
| North American Cat-Named Sports Teams | 0 | - | 4.43 | 33,735 |
| Animals - Taxonomy to Common Name | 0 | - | 4.80 | 28,337 |
| Animals - Real or Fictional? | 0 | - | 4.57 | 49,613 |
| Animals: No Vowels #1 | 0 | - | 4.56 | 64,195 |
| Bird in the Answers | 0 | - | 4.11 | 33,802 |
| Bird Knowledge #2 | 0 | - | 4.42 | 14,207 |
| Horse Knowledge | 0 | - | 4.46 | 24,080 |
| Snake Knowledge | 0 | - | 4.49 | 18,833 |
| Natural Features of Countries #2 | 0 | - | 4.55 | 37,543 |
| Geologic Time Scale | 0 | - | 4.41 | 10,036 |
| Countries Farthest From the Sea | 0 | - | 4.98 | 74,807 |
| Largest Lakes in the United States on a Map | 0 | - | 4.90 | 30,022 |
