| Animals by Skeleton Image | 0 | - | 4.81 | 46,948 |
| Build-a-Bird by Guessing Countries | 0 | - | 4.99 | 63,723 |
| Countries With The Most Bird Species | 0 | - | 4.93 | 33,204 |
| Birds by Picture #1 | 0 | - | 4.47 | 42,052 |
| Pick a Picture - Animal Relations | 0 | - | 4.94 | 55,880 |
| Birds by Picture #2 | 0 | - | 4.33 | 36,723 |
| Birds by Picture #3 | 0 | - | 4.24 | 33,490 |
| Animals by Close-up Image | 0 | - | 4.42 | 219,080 |
| Aquatic Mammals by Picture | 0 | - | 4.41 | 46,017 |
| Extinct Animals by Picture | 0 | - | 4.49 | 35,485 |
| Mammals by Picture #1 | 0 | - | 4.70 | 92,457 |
| Countries with Wild Tigers | 0 | - | 4.96 | 137,401 |
| Countries with Wild Penguins | 0 | - | 4.94 | 100,568 |
| Countries with the Most Venomous Animal Species | 0 | - | 4.87 | 87,547 |
| Fish by Picture #1 | 0 | - | 4.41 | 109,060 |
| North American Bird-Named Teams | 0 | - | 4.44 | 68,002 |
| Animals A-Z by Picture | 0 | - | 4.08 | 66,867 |
| Mammals by Picture #3 | 0 | - | 4.39 | 62,505 |
| Mammals by Picture #4 | 0 | - | 4.03 | 34,350 |
| Mammals by Picture #2 | 0 | - | 4.28 | 58,575 |
| Countries with the Most Sheep | 0 | - | 4.93 | 103,651 |
| Countries with the Most Wolves | 0 | - | 4.92 | 108,603 |
| Countries that Catch the Most Fish | 0 | - | 4.90 | 113,139 |
| Countries With Two or More Bear Species | 0 | - | 4.90 | 22,874 |
| Sea Creatures by Picture | 0 | - | 4.27 | 17,820 |
| Animals that Appear on a Coat of Arms | 0 | - | 4.50 | 24,896 |
| Countries with the Most Wild Elephants | 0 | - | 4.63 | 55,170 |
| Animal Populations of Countries | 0 | - | 4.52 | 44,056 |
| Top 15 Countries with the Most Cows | 0 | - | 4.73 | 107,497 |
| Name that Bug | 0 | - | 4.12 | 45,639 |
| Fish by Picture #2 | 0 | - | 4.09 | 18,744 |
| Former Countries by Territory Map | 0 | - | 4.96 | 103,909 |
| Empires by Maps | 0 | - | 4.98 | 122,108 |
| Airline Logos | 0 | - | 4.45 | 141,442 |
| Merged Company Logos #1 | 0 | - | 4.90 | 107,431 |
| Animals of Australia | 0 | - | 4.53 | 42,494 |
| Countries with More Cows than People | 0 | - | 4.46 | 61,660 |
| Birds in the Answer | 0 | - | 4.56 | 52,931 |
| Countries with NO Snakes | 0 | - | 4.51 | 63,668 |
| Islands by Shape #2 | 0 | - | 4.88 | 59,539 |
| Reptile Picture Quiz | 0 | - | 4.32 | 14,386 |
| Visual Memory Test - Random Cartoons | 0 | - | 4.98 | 105,359 |
| Play-Doh People from History | 0 | - | 4.99 | 95,570 |
| Famous Landmarks Out Of Focus #1 | 0 | - | 4.89 | 61,621 |
| Jeppy in Disguise #1 | 0 | - | 4.92 | 50,018 |
| Jeppy in Disguise #2 | 0 | - | 4.96 | 50,077 |
| Circular Cutouts from a World Map | 0 | - | 4.98 | 62,123 |
| All Country Flags of the World | 0 | - | 5.00 | 3,714,474 |
| Name the Cat Flags | 0 | - | 5.00 | 40,594 |
| "Big Five" African Game Animals | 0 | - | 4.22 | 47,487 |
| Countries with Wild Lions | 0 | - | 4.77 | 26,576 |
| Top 10 Countries with the Most Horses | 0 | - | 4.49 | 69,265 |
| Where Do Musk Oxen Live? | 0 | - | 4.63 | 15,353 |
| Australian Animals By Picture | 0 | - | 4.45 | 31,781 |
| Country Flags Quiz #1 | 0 | - | 4.98 | 2,546,104 |
| Country Flags Quiz #2 | 0 | - | 4.99 | 1,097,251 |
| Country Flags Quiz #3 | 0 | - | 4.97 | 736,487 |
| Brand Logos A-Z | 0 | - | 4.21 | 43,835 |
| Top Countries for Shark Attacks | 0 | - | 4.47 | 45,939 |
| Asian Countries with NO Wolves | 0 | - | 4.60 | 19,016 |
| Make a Stained Glass Window | 0 | - | 5.00 | 69,086 |
| Flags with Crescents | 0 | - | 4.98 | 171,370 |
| Country Flag Trivia | 0 | - | 4.81 | 58,042 |
| Country Flags with Eagles - Picture Quiz | 0 | - | 4.98 | 104,920 |
| Country Flags with the Union Jack | 0 | - | 4.87 | 78,446 |
| Pixelated Flag Quiz | 0 | - | 4.97 | 88,614 |
| Flag Emblems Scavenger Hunt | 0 | - | 5.00 | 67,959 |
| Flags by Horizontal Stripes #1 | 0 | - | 4.84 | 85,998 |
| Badly Drawn Flags #1 | 0 | - | 4.99 | 61,038 |
| Country Flags with the Sun - Picture Quiz | 0 | - | 4.81 | 53,499 |
| Real vs. Fake Flags | 0 | - | 4.98 | 125,797 |
| NFL Football Team Logos | 0 | - | 4.91 | 632,342 |
| NBA Team Logos | 0 | - | 4.81 | 697,436 |
| Ultimate Car Logos Quiz | 0 | - | 4.81 | 184,139 |
| National Football Team Logos | 0 | - | 4.85 | 181,910 |
| National Animals | 0 | - | 4.24 | 90,221 |
| Largest Land Animals of Africa | 0 | - | 4.36 | 12,816 |
| Birds A-Z | 0 | - | 4.24 | 36,625 |
| Years in History by Picture | 0 | - | 4.45 | 35,814 |
| Where Are These Doors? | 0 | - | 4.45 | 30,227 |
| Famous Foreheads #1 | 0 | - | 4.47 | 75,446 |
| Flags to Languages | 0 | - | 4.95 | 174,523 |
| Bodies of Water by Satellite Image #1 | 0 | - | 4.19 | 72,526 |
| NHL Ice Hockey Team Logos | 0 | - | 4.89 | 190,327 |
| Merged Company Logos #2 | 0 | - | 4.75 | 78,313 |
| Similar Country Flags - Multiple Choice Quiz | 0 | - | 4.94 | 51,039 |
| Animals by Range on a World Map | 0 | - | 4.96 | 25,815 |
| Fictional Birds by Picture | 0 | - | 4.29 | 26,226 |
| 3 and 4 Letter Birds | 0 | - | 4.25 | 23,863 |
| Turkey (The Bird) | 0 | - | 4.15 | 12,434 |
| Fruits by Picture | 0 | - | 4.19 | 809,386 |
| Old Movies by Picture | 0 | - | 4.51 | 25,270 |
| Musical Instruments by Picture #2 | 0 | - | 4.24 | 47,304 |
| Dog Breed Picture Quiz | 0 | - | 4.34 | 206,676 |
| Name that Historical Figure #1 | 0 | - | 4.63 | 339,566 |
| Geography by Picture - B | 0 | - | 4.42 | 55,784 |
| Geography by Picture - H | 0 | - | 4.50 | 58,381 |
| Geography by Picture - N | 0 | - | 4.45 | 42,339 |
| Geography by Picture - R | 0 | - | 4.56 | 41,147 |
| Geography by Picture - T | 0 | - | 4.54 | 58,000 |
| Name the Pixelated Landmark | 0 | - | 4.85 | 63,462 |
| Car Logos Quiz #1 | 0 | - | 4.52 | 544,227 |
| Random Logos Quiz | 0 | - | 4.33 | 209,681 |
| All North American Pro Sports Logos | 0 | - | 4.72 | 116,439 |
| Pictures by Letter - A | 0 | - | 4.18 | 33,651 |
| Pictures by Letter - J | 0 | - | 4.31 | 40,280 |
| Pictures by Letter - B | 0 | - | 4.32 | 44,262 |
| Pictures by Letter - D | 0 | - | 4.14 | 37,807 |
| Pictures by Letter - M | 0 | - | 4.24 | 38,011 |
| Three Real and One Fake - Country Flags | 0 | - | 4.97 | 84,750 |
| Largest Land Animals of Asia | 0 | - | 3.64 | 8,353 |
| Animals in World History | 0 | - | 4.74 | 44,677 |
| Capital Cities by Body of Water | 0 | - | 4.85 | 57,864 |
| Islands by Shape #1 | 0 | - | 4.33 | 84,514 |
| 1970s Celebrities by Picture #1 | 0 | - | 4.20 | 58,274 |
| 1970s Celebrities by Picture #2 | 0 | - | 4.21 | 50,979 |
| Elements by Picture | 0 | - | 4.27 | 70,324 |
| Rocks and Minerals Picture Quiz | 0 | - | 4.48 | 29,511 |
| Islands by Picture | 0 | - | 4.28 | 107,795 |
| Name that Object #1 | 0 | - | 3.57 | 96,633 |
| Classic Movies by Movie Posters | 0 | - | 4.45 | 24,459 |
| WWII Figures by Picture | 0 | - | 4.89 | 66,250 |
| 1980s Movie Silhouettes | 0 | - | 4.97 | 104,691 |
| Famous Landmarks Out Of Focus #2 | 0 | - | 4.37 | 41,553 |
| 1940s Celebrities by Picture | 0 | - | 4.43 | 48,214 |
| International Footballers by Picture | 0 | - | 4.51 | 56,443 |
| Name that Historical Figure #2 | 0 | - | 4.42 | 286,128 |
| Name that Historical Figure #5 | 0 | - | 4.43 | 108,640 |
| Name that Historical Figure #7 - U.S. Edition | 0 | - | 4.51 | 51,234 |
| Geography by Picture - A | 0 | - | 4.39 | 60,437 |
| Geography by Picture - D | 0 | - | 4.15 | 45,789 |
| Geography by Picture - F | 0 | - | 4.31 | 51,177 |
| Geography by Picture - G | 0 | - | 4.39 | 48,081 |
| Geography by Picture - J | 0 | - | 4.16 | 38,596 |
| Geography by Picture - K | 0 | - | 4.29 | 33,249 |
| Geography by Picture - C | 0 | - | 4.31 | 57,238 |
| Geography by Picture - L | 0 | - | 4.37 | 59,138 |
| Geography by Picture - M | 0 | - | 4.14 | 40,582 |
| Geography by Picture - P | 0 | - | 4.24 | 42,568 |
| Geography by Picture - S | 0 | - | 4.38 | 47,181 |
| Miscellaneous Flags Quiz | 0 | - | 4.42 | 282,091 |
| Country Flags Multiple Choice | 0 | - | 4.97 | 145,441 |
| Flag Maths | 0 | - | 4.61 | 57,847 |
| Satellite Images #1 | 0 | - | 4.46 | 129,997 |
| Satellite Images Quiz #2 | 0 | - | 4.63 | 109,692 |
| Satellite Images Quiz #4 | 0 | - | 4.55 | 89,375 |
| Bodies of Water by Satellite Image #2 | 0 | - | 4.36 | 19,808 |
| Satellite Images Quiz #5 | 0 | - | 4.52 | 50,239 |
| Satellite Images Quiz #6 | 0 | - | 4.50 | 39,215 |
| Cities by Picture #1 | 0 | - | 4.74 | 86,588 |
| Soccer Team Logos | 0 | - | 4.26 | 377,725 |
| Brand Logos Quiz #1 | 0 | - | 4.83 | 2,438,791 |
| Car Logos Quiz #2 | 0 | - | 4.43 | 263,961 |
| Video Game Logos Quiz | 0 | - | 4.40 | 185,096 |
| Movie Logos | 0 | - | 4.33 | 240,459 |
| Brand Logos That Start with A | 0 | - | 4.52 | 71,194 |
| History by Picture - A | 0 | - | 4.26 | 46,143 |
| History by Picture - B | 0 | - | 4.40 | 49,341 |
| History by Picture - C | 0 | - | 4.33 | 54,875 |
| History by Picture - F | 0 | - | 4.35 | 38,193 |
| History by Picture - G | 0 | - | 4.40 | 42,432 |
| History by Picture - D | 0 | - | 4.29 | 44,646 |
| History by Picture - E | 0 | - | 4.25 | 44,230 |
| History by Picture - H | 0 | - | 4.37 | 37,078 |
| History by Picture - K | 0 | - | 4.35 | 33,606 |
| History by Picture - M | 0 | - | 4.17 | 36,391 |
| History by Picture - N | 0 | - | 4.40 | 41,526 |
| History by Picture - O | 0 | - | 4.39 | 36,552 |
| History by Picture - T | 0 | - | 4.20 | 33,535 |
| Name that Nut, Seed, or Bean | 0 | - | 4.57 | 57,776 |
| Baby, Male and Female Animals | 0 | - | 4.43 | 151,109 |
| Animal Adjectives | 0 | - | 4.77 | 60,201 |
| North American Cat-Named Sports Teams | 0 | - | 4.43 | 33,822 |
| African Great Lakes | 0 | - | 4.82 | 66,970 |
| 100 Longest Rivers in Europe - with a Map | 0 | - | 4.94 | 65,944 |
| Nile River Basin Countries on a Map | 0 | - | 4.95 | 50,955 |
| Countries That Touch the Adriatic Sea | 0 | - | 4.96 | 71,358 |
| Top 10 European Countries by Coastline | 0 | - | 4.86 | 138,730 |
| Top 10 American Countries by Coastline | 0 | - | 4.96 | 88,613 |
| Top 10 Asian Countries by Coastline | 0 | - | 4.92 | 96,690 |
| Art Works Picture Quiz #1 | 0 | - | 4.51 | 119,824 |
| Art Works Picture Quiz #2 | 0 | - | 4.49 | 105,867 |
| Musical Instruments by Picture #1 | 0 | - | 4.52 | 269,795 |
| Flowers by Picture | 0 | - | 4.46 | 105,867 |
| Art Works Picture Quiz #3 | 0 | - | 4.45 | 48,950 |
| Name that Object #2 | 0 | - | 3.63 | 15,527 |
| Authors by Picture | 0 | - | 4.48 | 25,634 |
| Name that Object #3 | 0 | - | 3.93 | 14,470 |
| Fruit and Vegetable Emojis | 0 | - | 4.45 | 90,945 |
| College Sports Logos Quiz #3 | 0 | - | 4.30 | 56,182 |
| Planets By Picture Quiz | 0 | - | 4.49 | 57,382 |
| Songs by Picture Quiz #1 | 0 | - | 4.68 | 66,508 |
| Songs by Picture Quiz #2 | 0 | - | 4.42 | 59,316 |
| Oscar Nominated Actors by Picture #1 | 0 | - | 4.42 | 165,799 |
| 1960s Celebrities by Picture #1 | 0 | - | 4.27 | 70,760 |
| 1960s Celebrities by Picture #2 | 0 | - | 4.26 | 51,672 |
| 1950s Celebrities by Picture #1 | 0 | - | 4.24 | 51,375 |
| 1980s Celebrities by Picture #2 | 0 | - | 4.19 | 72,125 |
| 1990s Celebrities by Picture #1 | 0 | - | 4.14 | 79,771 |
| 1990s Celebrities by Picture #2 | 0 | - | 4.16 | 72,832 |
