| Animals by Close-up Image | 0 | - | 4.42 | 216,990 |
| Aquatic Mammals by Picture | 0 | - | 4.41 | 45,295 |
| Extinct Animals by Picture | 0 | - | 4.49 | 34,960 |
| Mammals by Picture #1 | 0 | - | 4.70 | 91,191 |
| Fish by Picture #1 | 0 | - | 4.41 | 108,138 |
| Birds by Picture #1 | 0 | - | 4.47 | 41,190 |
| Animals A-Z by Picture | 0 | - | 4.08 | 65,975 |
| Mammals by Picture #3 | 0 | - | 4.39 | 61,806 |
| Mammals by Picture #4 | 0 | - | 4.03 | 33,933 |
| Mammals by Picture #2 | 0 | - | 4.28 | 57,913 |
| Country Flags Multiple Choice | 0 | - | 4.97 | 143,593 |
| Birds by Picture #2 | 0 | - | 4.33 | 36,000 |
| Birds by Picture #3 | 0 | - | 4.24 | 32,899 |
| Animals by Skeleton Image | 0 | - | 4.80 | 46,044 |
| Sea Creatures by Picture | 0 | - | 4.27 | 17,610 |
| Countries with Wild Tigers | 0 | - | 4.96 | 135,667 |
| Countries with Wild Penguins | 0 | - | 4.94 | 99,351 |
| Countries with the Most Venomous Animal Species | 0 | - | 4.88 | 86,458 |
| Fish by Picture #2 | 0 | - | 4.08 | 18,423 |
| Similar Country Flags - Multiple Choice Quiz | 0 | - | 4.94 | 50,167 |
| Countries With The Most Bird Species | 0 | - | 4.93 | 32,478 |
| Countries with the Most Sheep | 0 | - | 4.92 | 102,474 |
| Build-a-Bird by Guessing Countries | 0 | - | 4.99 | 62,374 |
| Three Real and One Fake - Country Flags | 0 | - | 4.97 | 83,370 |
| Countries with the Most Wolves | 0 | - | 4.92 | 107,090 |
| Countries that Catch the Most Fish | 0 | - | 4.90 | 111,552 |
| Countries With Two or More Bear Species | 0 | - | 4.90 | 22,495 |
| Animals that Appear on a Coat of Arms | 0 | - | 4.49 | 24,744 |
| Australian Animals By Picture | 0 | - | 4.45 | 31,465 |
| Countries with the Most Wild Elephants | 0 | - | 4.63 | 54,658 |
| Animal Populations of Countries | 0 | - | 4.51 | 43,632 |
| Top 15 Countries with the Most Cows | 0 | - | 4.64 | 92,794 |
| Name that Bug | 0 | - | 4.12 | 45,461 |
| Former Countries by Territory Map | 0 | - | 4.96 | 101,741 |
| Empires by Maps | 0 | - | 4.98 | 118,723 |
| Merged Company Logos #1 | 0 | - | 4.91 | 105,545 |
| Name the Cat Flags | 0 | - | 5.00 | 40,073 |
| Animals of Australia | 0 | - | 4.52 | 42,176 |
| Countries with More Cows than People | 0 | - | 4.43 | 54,667 |
| North American Bird-Named Teams | 0 | - | 4.43 | 67,642 |
| Countries with NO Snakes | 0 | - | 4.51 | 63,508 |
| Dog Breed Picture Quiz | 0 | - | 4.34 | 205,585 |
| All Country Flags of the World | 0 | - | 5.00 | 3,609,409 |
| "Big Five" African Game Animals | 0 | - | 4.22 | 47,230 |
| Countries with Wild Lions | 0 | - | 4.77 | 26,019 |
| Top 10 Countries with the Most Horses | 0 | - | 4.49 | 68,709 |
| Where Do Musk Oxen Live? | 0 | - | 4.63 | 15,260 |
| Islands by Shape #2 | 0 | - | 4.88 | 59,019 |
| Reptile Picture Quiz | 0 | - | 4.32 | 14,238 |
| Visual Memory Test - Random Cartoons | 0 | - | 4.98 | 102,935 |
| Play-Doh People from History | 0 | - | 4.99 | 93,968 |
| Famous Landmarks Out Of Focus #1 | 0 | - | 4.89 | 60,387 |
| Jeppy in Disguise #1 | 0 | - | 4.92 | 48,801 |
| Jeppy in Disguise #2 | 0 | - | 4.96 | 48,958 |
| Circular Cutouts from a World Map | 0 | - | 4.98 | 61,097 |
| Country Flags Quiz #1 | 0 | - | 4.98 | 2,527,661 |
| Country Flags Quiz #2 | 0 | - | 4.98 | 1,088,021 |
| Country Flags Quiz #3 | 0 | - | 4.98 | 730,114 |
| Asian Countries with NO Wolves | 0 | - | 4.60 | 18,632 |
| Top Countries for Shark Attacks | 0 | - | 4.46 | 45,693 |
| Make a Stained Glass Window | 0 | - | 5.00 | 67,888 |
| Flags with Crescents | 0 | - | 4.98 | 167,796 |
| Country Flag Trivia | 0 | - | 4.81 | 56,038 |
| Country Flags with Eagles - Picture Quiz | 0 | - | 4.98 | 102,560 |
| Country Flags with the Union Jack | 0 | - | 4.87 | 76,556 |
| Pixelated Flag Quiz | 0 | - | 4.98 | 86,069 |
| Flag Emblems Scavenger Hunt | 0 | - | 5.00 | 66,546 |
| Flags by Horizontal Stripes #1 | 0 | - | 4.84 | 84,462 |
| Badly Drawn Flags #1 | 0 | - | 4.99 | 59,978 |
| Country Flags with the Sun - Picture Quiz | 0 | - | 4.83 | 52,133 |
| Real vs. Fake Flags | 0 | - | 4.98 | 122,753 |
| National Football Team Logos | 0 | - | 4.84 | 178,878 |
| National Animals | 0 | - | 4.24 | 89,176 |
| Largest Land Animals of Africa | 0 | - | 4.36 | 12,701 |
| Years in History by Picture | 0 | - | 4.44 | 35,155 |
| Where Are These Doors? | 0 | - | 4.45 | 29,624 |
| Famous Foreheads #1 | 0 | - | 4.47 | 74,296 |
| Flags to Languages | 0 | - | 4.95 | 172,640 |
| Bodies of Water by Satellite Image #1 | 0 | - | 4.20 | 71,316 |
| Merged Company Logos #2 | 0 | - | 4.75 | 76,839 |
| Animals by Range on a World Map | 0 | - | 4.96 | 25,246 |
| Fruits by Picture | 0 | - | 4.20 | 804,969 |
| Old Movies by Picture | 0 | - | 4.51 | 24,843 |
| Musical Instruments by Picture #2 | 0 | - | 4.24 | 46,723 |
| 1980s Movie Silhouettes | 0 | - | 4.97 | 102,853 |
| Star Wars Original Trilogy Characters by Picture | 0 | - | 4.91 | 47,846 |
| Name that Historical Figure #1 | 0 | - | 4.63 | 335,742 |
| Geography by Picture - B | 0 | - | 4.42 | 55,440 |
| Geography by Picture - H | 0 | - | 4.50 | 58,071 |
| Geography by Picture - N | 0 | - | 4.45 | 42,066 |
| Geography by Picture - R | 0 | - | 4.55 | 40,893 |
| Geography by Picture - T | 0 | - | 4.54 | 57,700 |
| Bodies of Water by Satellite Image #2 | 0 | - | 4.36 | 19,589 |
| Name the Pixelated Landmark | 0 | - | 4.84 | 62,516 |
| Car Logos Quiz #1 | 0 | - | 4.44 | 532,846 |
| Random Logos Quiz | 0 | - | 4.31 | 207,180 |
| All North American Pro Sports Logos | 0 | - | 4.70 | 113,494 |
| Brand Logos Quiz #1 | 0 | - | 4.83 | 2,404,506 |
| Pictures by Letter - A | 0 | - | 4.17 | 33,163 |
| Pictures by Letter - J | 0 | - | 4.31 | 39,756 |
| Pictures by Letter - B | 0 | - | 4.31 | 43,657 |
| Pictures by Letter - D | 0 | - | 4.16 | 37,345 |
| Pictures by Letter - M | 0 | - | 4.24 | 37,550 |
| Largest Land Animals of Asia | 0 | - | 3.62 | 8,261 |
| Animals in World History | 0 | - | 4.74 | 44,251 |
| Capital Cities by Body of Water | 0 | - | 4.85 | 57,324 |
| African Great Lakes | 0 | - | 4.82 | 65,309 |
| Iceland True or False? | 0 | - | 4.93 | 37,000 |
| England or Wales? | 0 | - | 4.94 | 45,376 |
| Australia... or New Zealand? | 0 | - | 4.83 | 61,119 |
| Islands by Shape #1 | 0 | - | 4.32 | 84,197 |
| 1970s Celebrities by Picture #1 | 0 | - | 4.20 | 57,654 |
| 1970s Celebrities by Picture #2 | 0 | - | 4.21 | 50,441 |
| Elements by Picture | 0 | - | 4.28 | 69,606 |
| Rocks and Minerals Picture Quiz | 0 | - | 4.48 | 29,173 |
| Islands by Picture | 0 | - | 4.29 | 106,026 |
| Name that Object #1 | 0 | - | 3.56 | 96,326 |
| Classic Movies by Movie Posters | 0 | - | 4.44 | 24,077 |
| WWII Figures by Picture | 0 | - | 4.85 | 50,611 |
| Famous Landmarks Out Of Focus #2 | 0 | - | 4.37 | 40,885 |
| 1940s Celebrities by Picture | 0 | - | 4.43 | 47,799 |
| International Footballers by Picture | 0 | - | 4.50 | 54,853 |
| Name that Historical Figure #2 | 0 | - | 4.43 | 282,887 |
| Name that Historical Figure #5 | 0 | - | 4.43 | 106,750 |
| Name that Historical Figure #7 - U.S. Edition | 0 | - | 4.50 | 50,351 |
| Geography by Picture - A | 0 | - | 4.39 | 60,066 |
| Geography by Picture - D | 0 | - | 4.15 | 45,517 |
| Geography by Picture - F | 0 | - | 4.31 | 50,846 |
| Geography by Picture - G | 0 | - | 4.38 | 47,813 |
| Geography by Picture - J | 0 | - | 4.16 | 38,349 |
| Geography by Picture - K | 0 | - | 4.29 | 33,031 |
| Geography by Picture - C | 0 | - | 4.31 | 56,932 |
| Geography by Picture - L | 0 | - | 4.37 | 58,784 |
| Geography by Picture - M | 0 | - | 4.14 | 40,356 |
| Geography by Picture - P | 0 | - | 4.24 | 42,318 |
| Geography by Picture - S | 0 | - | 4.38 | 46,930 |
| Miscellaneous Flags Quiz | 0 | - | 4.42 | 278,646 |
| Flag Coloring Book Puzzle #1 | 0 | - | 4.97 | 170,078 |
| Flag Maths | 0 | - | 4.78 | 57,687 |
| Satellite Images #1 | 0 | - | 4.46 | 129,058 |
| Satellite Images Quiz #2 | 0 | - | 4.63 | 109,026 |
| Satellite Images Quiz #4 | 0 | - | 4.55 | 88,681 |
| Satellite Images Quiz #5 | 0 | - | 4.48 | 49,680 |
| Satellite Images Quiz #6 | 0 | - | 4.50 | 38,826 |
| Cities by Picture #1 | 0 | - | 4.73 | 85,433 |
| Soccer Team Logos | 0 | - | 4.26 | 371,246 |
| Ultimate Car Logos Quiz | 0 | - | 4.80 | 176,724 |
| Car Logos Quiz #2 | 0 | - | 4.43 | 259,548 |
| Video Game Logos Quiz | 0 | - | 4.40 | 182,823 |
| Movie Logos | 0 | - | 4.33 | 236,193 |
| Brand Logos That Start With M | 0 | - | 4.45 | 61,884 |
| Brand Logos That Start With B | 0 | - | 4.41 | 59,305 |
| Brand Logos That Start with A | 0 | - | 4.51 | 69,394 |
| History by Picture - A | 0 | - | 4.25 | 45,495 |
| History by Picture - B | 0 | - | 4.40 | 48,621 |
| History by Picture - C | 0 | - | 4.36 | 54,130 |
| History by Picture - F | 0 | - | 4.35 | 37,624 |
| History by Picture - G | 0 | - | 4.40 | 41,887 |
| History by Picture - D | 0 | - | 4.29 | 44,048 |
| History by Picture - E | 0 | - | 4.27 | 43,663 |
| History by Picture - H | 0 | - | 4.37 | 36,578 |
| History by Picture - K | 0 | - | 4.35 | 33,140 |
| History by Picture - M | 0 | - | 4.17 | 35,940 |
| History by Picture - N | 0 | - | 4.40 | 41,030 |
| History by Picture - O | 0 | - | 4.39 | 36,074 |
| History by Picture - T | 0 | - | 4.20 | 33,122 |
| Name that Nut, Seed, or Bean | 0 | - | 4.63 | 56,911 |
| Baby, Male and Female Animals | 0 | - | 4.43 | 149,723 |
| Animal Adjectives | 0 | - | 4.77 | 59,851 |
| North American Cat-Named Sports Teams | 0 | - | 4.43 | 33,531 |
| African Great Lake Countries with an Empty Map | 0 | - | 4.97 | 60,487 |
| 10 Longest Rivers in the United States | 0 | - | 4.85 | 38,840 |
| 100 Longest Rivers in Europe - with a Map | 0 | - | 4.94 | 64,903 |
| Nile River Basin Countries on a Map | 0 | - | 4.95 | 50,275 |
| Countries That Touch the Adriatic Sea | 0 | - | 4.96 | 70,824 |
| Name a Valid Country Bordering Each Sea | 0 | - | 4.90 | 114,861 |
| Top 10 European Countries by Coastline | 0 | - | 4.87 | 137,914 |
| Top 10 American Countries by Coastline | 0 | - | 4.96 | 88,104 |
| Top 10 Asian Countries by Coastline | 0 | - | 4.92 | 96,185 |
| Art Works Picture Quiz #1 | 0 | - | 4.51 | 118,545 |
| Art Works Picture Quiz #2 | 0 | - | 4.49 | 104,762 |
| Musical Instruments by Picture #1 | 0 | - | 4.52 | 268,046 |
| Foods by Picture | 0 | - | 3.81 | 225,562 |
| Flowers by Picture | 0 | - | 4.46 | 105,044 |
| Junk Foods by Picture | 0 | - | 3.69 | 96,060 |
| Art Works Picture Quiz #3 | 0 | - | 4.45 | 48,559 |
| Christmas by Picture | 0 | - | 4.25 | 28,113 |
| Name that Object #2 | 0 | - | 3.64 | 15,340 |
| Hats by Picture | 0 | - | 4.21 | 17,908 |
| Weapons by Picture | 0 | - | 4.13 | 20,900 |
| Cars by Picture | 0 | - | 3.89 | 41,128 |
| Authors by Picture | 0 | - | 4.48 | 25,405 |
| Plants by Picture | 0 | - | 4.24 | 14,356 |
| Name that Object #3 | 0 | - | 3.93 | 14,315 |
| Fruit and Vegetable Emojis | 0 | - | 4.42 | 79,580 |
| College Sports Logos Quiz #3 | 0 | - | 4.30 | 55,207 |
| Planets By Picture Quiz | 0 | - | 4.49 | 56,275 |
| Songs by Picture Quiz #1 | 0 | - | 4.68 | 65,440 |
| Songs by Picture Quiz #2 | 0 | - | 4.41 | 58,473 |
| Oscar Nominated Actors by Picture #1 | 0 | - | 4.42 | 164,505 |
