| Animals by Skeleton Image | 0 | - | 4.81 | 46,483 |
| Countries With The Most Bird Species | 0 | - | 4.93 | 32,942 |
| Build-a-Bird by Guessing Countries | 0 | - | 4.99 | 63,177 |
| Birds by Picture #1 | 0 | - | 4.47 | 41,634 |
| Pick a Picture - Animal Relations | 0 | - | 4.94 | 55,403 |
| Birds by Picture #2 | 0 | - | 4.33 | 36,376 |
| Birds by Picture #3 | 0 | - | 4.24 | 33,196 |
| Animals by Close-up Image | 0 | - | 4.42 | 217,856 |
| Aquatic Mammals by Picture | 0 | - | 4.41 | 45,640 |
| Extinct Animals by Picture | 0 | - | 4.49 | 35,227 |
| Mammals by Picture #1 | 0 | - | 4.70 | 91,816 |
| Countries with Wild Tigers | 0 | - | 4.96 | 136,791 |
| Countries with Wild Penguins | 0 | - | 4.94 | 100,155 |
| Countries with the Most Venomous Animal Species | 0 | - | 4.87 | 87,180 |
| Fish by Picture #1 | 0 | - | 4.41 | 108,542 |
| North American Bird-Named Teams | 0 | - | 4.44 | 67,873 |
| Animals A-Z by Picture | 0 | - | 4.08 | 66,453 |
| Mammals by Picture #3 | 0 | - | 4.39 | 62,123 |
| Mammals by Picture #4 | 0 | - | 4.03 | 34,129 |
| Mammals by Picture #2 | 0 | - | 4.28 | 58,240 |
| Countries with the Most Sheep | 0 | - | 4.92 | 103,246 |
| Countries With Two or More Bear Species | 0 | - | 4.90 | 22,758 |
| Countries with the Most Wolves | 0 | - | 4.92 | 108,058 |
| Countries that Catch the Most Fish | 0 | - | 4.90 | 112,491 |
| Sea Creatures by Picture | 0 | - | 4.27 | 17,707 |
| Animals that Appear on a Coat of Arms | 0 | - | 4.49 | 24,821 |
| Countries with the Most Wild Elephants | 0 | - | 4.63 | 54,967 |
| Animal Populations of Countries | 0 | - | 4.52 | 43,872 |
| Top 15 Countries with the Most Cows | 0 | - | 4.73 | 106,793 |
| Name that Bug | 0 | - | 4.12 | 45,560 |
| Fish by Picture #2 | 0 | - | 4.07 | 18,564 |
| Former Countries by Territory Map | 0 | - | 4.96 | 102,779 |
| Empires by Maps | 0 | - | 4.98 | 120,420 |
| Airline Logos | 0 | - | 4.45 | 140,723 |
| Merged Company Logos #1 | 0 | - | 4.90 | 106,495 |
| Animals of Australia | 0 | - | 4.52 | 42,319 |
| Countries with More Cows than People | 0 | - | 4.45 | 61,312 |
| Birds in the Answer | 0 | - | 4.56 | 52,837 |
| Countries with NO Snakes | 0 | - | 4.51 | 63,582 |
| Islands by Shape #2 | 0 | - | 4.88 | 59,263 |
| Reptile Picture Quiz | 0 | - | 4.32 | 14,298 |
| Visual Memory Test - Random Cartoons | 0 | - | 4.98 | 104,321 |
| Play-Doh People from History | 0 | - | 4.99 | 94,789 |
| Famous Landmarks Out Of Focus #1 | 0 | - | 4.89 | 61,029 |
| Jeppy in Disguise #1 | 0 | - | 4.92 | 49,374 |
| Jeppy in Disguise #2 | 0 | - | 4.96 | 49,531 |
| Circular Cutouts from a World Map | 0 | - | 4.98 | 61,599 |
| All Country Flags of the World | 0 | - | 5.00 | 3,662,548 |
| "Big Five" African Game Animals | 0 | - | 4.22 | 47,376 |
| Countries with Wild Lions | 0 | - | 4.77 | 26,315 |
| Top 10 Countries with the Most Horses | 0 | - | 4.49 | 69,018 |
| Where Do Musk Oxen Live? | 0 | - | 4.63 | 15,309 |
| Country Flags Quiz #1 | 0 | - | 4.98 | 2,536,998 |
| Country Flags Quiz #2 | 0 | - | 4.98 | 1,092,828 |
| Country Flags Quiz #3 | 0 | - | 4.97 | 733,372 |
| Brand Logos A-Z | 0 | - | 4.23 | 43,279 |
| Asian Countries with NO Wolves | 0 | - | 4.60 | 18,837 |
| Top Countries for Shark Attacks | 0 | - | 4.46 | 45,822 |
| Make a Stained Glass Window | 0 | - | 5.00 | 68,505 |
| Flags with Crescents | 0 | - | 4.98 | 169,532 |
| Country Flag Trivia | 0 | - | 4.81 | 57,016 |
| Country Flags with Eagles - Picture Quiz | 0 | - | 4.98 | 103,739 |
| Country Flags with the Union Jack | 0 | - | 4.87 | 77,495 |
| Pixelated Flag Quiz | 0 | - | 4.97 | 87,413 |
| Flag Emblems Scavenger Hunt | 0 | - | 5.00 | 67,262 |
| Flags by Horizontal Stripes #1 | 0 | - | 4.84 | 85,225 |
| Badly Drawn Flags #1 | 0 | - | 4.99 | 60,493 |
| Country Flags with the Sun - Picture Quiz | 0 | - | 4.83 | 52,797 |
| Real vs. Fake Flags | 0 | - | 4.98 | 124,214 |
| NFL Football Team Logos | 0 | - | 4.91 | 627,926 |
| NBA Team Logos | 0 | - | 4.81 | 689,677 |
| National Football Team Logos | 0 | - | 4.85 | 180,370 |
| National Animals | 0 | - | 4.24 | 89,671 |
| Largest Land Animals of Africa | 0 | - | 4.36 | 12,753 |
| Birds A-Z | 0 | - | 4.24 | 36,528 |
| Years in History by Picture | 0 | - | 4.44 | 35,515 |
| Where Are These Doors? | 0 | - | 4.45 | 29,992 |
| Australian Animals By Picture | 0 | - | 4.45 | 31,608 |
| Famous Foreheads #1 | 0 | - | 4.47 | 74,912 |
| Flags to Languages | 0 | - | 4.95 | 173,630 |
| Bodies of Water by Satellite Image #1 | 0 | - | 4.20 | 71,947 |
| NHL Ice Hockey Team Logos | 0 | - | 4.89 | 187,610 |
| Merged Company Logos #2 | 0 | - | 4.75 | 77,565 |
| Similar Country Flags - Multiple Choice Quiz | 0 | - | 4.94 | 50,527 |
| Animals by Range on a World Map | 0 | - | 4.96 | 25,547 |
| Fictional Birds by Picture | 0 | - | 4.29 | 26,105 |
| 3 and 4 Letter Birds | 0 | - | 4.25 | 23,802 |
| Turkey (The Bird) | 0 | - | 4.15 | 12,411 |
| Three Real and One Fake - Country Flags | 0 | - | 4.97 | 84,089 |
| Fruits by Picture | 0 | - | 4.19 | 807,252 |
| Old Movies by Picture | 0 | - | 4.51 | 25,096 |
| Musical Instruments by Picture #2 | 0 | - | 4.24 | 47,030 |
| Dog Breed Picture Quiz | 0 | - | 4.34 | 206,173 |
| Name that Historical Figure #1 | 0 | - | 4.63 | 337,529 |
| Geography by Picture - B | 0 | - | 4.42 | 55,600 |
| Geography by Picture - H | 0 | - | 4.50 | 58,224 |
| Geography by Picture - N | 0 | - | 4.45 | 42,202 |
| Geography by Picture - R | 0 | - | 4.56 | 41,022 |
| Geography by Picture - T | 0 | - | 4.54 | 57,839 |
| Name the Pixelated Landmark | 0 | - | 4.85 | 63,011 |
| Car Logos Quiz #1 | 0 | - | 4.45 | 539,022 |
| Random Logos Quiz | 0 | - | 4.31 | 208,421 |
| All North American Pro Sports Logos | 0 | - | 4.70 | 115,091 |
| Pictures by Letter - A | 0 | - | 4.17 | 33,433 |
| Pictures by Letter - J | 0 | - | 4.31 | 40,043 |
| Pictures by Letter - B | 0 | - | 4.31 | 43,984 |
| Pictures by Letter - D | 0 | - | 4.13 | 37,602 |
| Pictures by Letter - M | 0 | - | 4.24 | 37,809 |
| Largest Land Animals of Asia | 0 | - | 3.64 | 8,301 |
| Animals in World History | 0 | - | 4.74 | 44,492 |
| Capital Cities by Body of Water | 0 | - | 4.85 | 57,659 |
| Islands by Shape #1 | 0 | - | 4.32 | 84,360 |
| 1970s Celebrities by Picture #1 | 0 | - | 4.20 | 57,952 |
| 1970s Celebrities by Picture #2 | 0 | - | 4.21 | 50,691 |
| Elements by Picture | 0 | - | 4.27 | 69,942 |
| Rocks and Minerals Picture Quiz | 0 | - | 4.48 | 29,323 |
| Islands by Picture | 0 | - | 4.29 | 106,945 |
| Name that Object #1 | 0 | - | 3.57 | 96,500 |
| Classic Movies by Movie Posters | 0 | - | 4.45 | 24,265 |
| WWII Figures by Picture | 0 | - | 4.89 | 65,476 |
| 1980s Movie Silhouettes | 0 | - | 4.97 | 103,811 |
| Famous Landmarks Out Of Focus #2 | 0 | - | 4.37 | 41,217 |
| 1940s Celebrities by Picture | 0 | - | 4.43 | 48,018 |
| International Footballers by Picture | 0 | - | 4.50 | 55,624 |
| Name that Historical Figure #2 | 0 | - | 4.42 | 284,561 |
| Name that Historical Figure #5 | 0 | - | 4.43 | 107,668 |
| Name that Historical Figure #7 - U.S. Edition | 0 | - | 4.51 | 50,802 |
| Geography by Picture - A | 0 | - | 4.39 | 60,252 |
| Geography by Picture - D | 0 | - | 4.15 | 45,657 |
| Geography by Picture - F | 0 | - | 4.31 | 51,004 |
| Geography by Picture - G | 0 | - | 4.38 | 47,947 |
| Geography by Picture - J | 0 | - | 4.16 | 38,464 |
| Geography by Picture - K | 0 | - | 4.29 | 33,125 |
| Geography by Picture - C | 0 | - | 4.31 | 57,071 |
| Geography by Picture - L | 0 | - | 4.37 | 58,962 |
| Geography by Picture - M | 0 | - | 4.14 | 40,459 |
| Geography by Picture - P | 0 | - | 4.24 | 42,435 |
| Geography by Picture - S | 0 | - | 4.38 | 47,039 |
| Miscellaneous Flags Quiz | 0 | - | 4.42 | 280,411 |
| Country Flags Multiple Choice | 0 | - | 4.97 | 144,544 |
| Flag Maths | 0 | - | 4.64 | 57,760 |
| Satellite Images #1 | 0 | - | 4.47 | 129,372 |
| Satellite Images Quiz #2 | 0 | - | 4.63 | 109,307 |
| Satellite Images Quiz #4 | 0 | - | 4.55 | 88,915 |
| Bodies of Water by Satellite Image #2 | 0 | - | 4.36 | 19,695 |
| Satellite Images Quiz #5 | 0 | - | 4.52 | 49,929 |
| Satellite Images Quiz #6 | 0 | - | 4.50 | 38,986 |
| Cities by Picture #1 | 0 | - | 4.73 | 85,995 |
| Soccer Team Logos | 0 | - | 4.26 | 374,530 |
| Brand Logos Quiz #1 | 0 | - | 4.83 | 2,422,748 |
| Ultimate Car Logos Quiz | 0 | - | 4.81 | 180,478 |
| Car Logos Quiz #2 | 0 | - | 4.43 | 261,938 |
| Video Game Logos Quiz | 0 | - | 4.40 | 183,996 |
| Movie Logos | 0 | - | 4.33 | 238,465 |
| Brand Logos That Start With M | 0 | - | 4.45 | 62,842 |
| Brand Logos That Start with A | 0 | - | 4.52 | 70,321 |
| History by Picture - A | 0 | - | 4.26 | 45,819 |
| History by Picture - B | 0 | - | 4.40 | 48,998 |
| History by Picture - C | 0 | - | 4.36 | 54,505 |
| History by Picture - F | 0 | - | 4.35 | 37,907 |
| History by Picture - G | 0 | - | 4.40 | 42,163 |
| History by Picture - D | 0 | - | 4.29 | 44,333 |
| History by Picture - E | 0 | - | 4.25 | 43,953 |
| History by Picture - H | 0 | - | 4.37 | 36,814 |
| History by Picture - K | 0 | - | 4.35 | 33,378 |
| History by Picture - M | 0 | - | 4.17 | 36,168 |
| History by Picture - N | 0 | - | 4.40 | 41,284 |
| History by Picture - O | 0 | - | 4.39 | 36,336 |
| History by Picture - T | 0 | - | 4.20 | 33,331 |
| Name that Nut, Seed, or Bean | 0 | - | 4.63 | 57,290 |
| Baby, Male and Female Animals | 0 | - | 4.43 | 150,443 |
| Animal Adjectives | 0 | - | 4.77 | 60,009 |
| North American Cat-Named Sports Teams | 0 | - | 4.43 | 33,683 |
| African Great Lakes | 0 | - | 4.82 | 66,240 |
| 100 Longest Rivers in Europe - with a Map | 0 | - | 4.94 | 65,435 |
| Nile River Basin Countries on a Map | 0 | - | 4.95 | 50,658 |
| Countries That Touch the Adriatic Sea | 0 | - | 4.96 | 71,102 |
| Top 10 European Countries by Coastline | 0 | - | 4.87 | 138,376 |
| Top 10 American Countries by Coastline | 0 | - | 4.96 | 88,399 |
| Top 10 Asian Countries by Coastline | 0 | - | 4.92 | 96,441 |
| Art Works Picture Quiz #1 | 0 | - | 4.51 | 119,117 |
| Art Works Picture Quiz #2 | 0 | - | 4.49 | 105,309 |
| Musical Instruments by Picture #1 | 0 | - | 4.52 | 268,937 |
| Flowers by Picture | 0 | - | 4.46 | 105,644 |
| Art Works Picture Quiz #3 | 0 | - | 4.45 | 48,743 |
| Name that Object #2 | 0 | - | 3.64 | 15,447 |
| Authors by Picture | 0 | - | 4.48 | 25,534 |
| Name that Object #3 | 0 | - | 3.93 | 14,403 |
| Fruit and Vegetable Emojis | 0 | - | 4.44 | 89,488 |
| College Sports Logos Quiz #3 | 0 | - | 4.30 | 55,782 |
| Planets By Picture Quiz | 0 | - | 4.49 | 56,833 |
| Songs by Picture Quiz #1 | 0 | - | 4.68 | 65,983 |
| Songs by Picture Quiz #2 | 0 | - | 4.42 | 58,867 |
| Oscar Nominated Actors by Picture #1 | 0 | - | 4.42 | 165,186 |
| 1960s Celebrities by Picture #1 | 0 | - | 4.27 | 70,421 |
| 1960s Celebrities by Picture #2 | 0 | - | 4.26 | 51,424 |
| 1950s Celebrities by Picture #1 | 0 | - | 4.24 | 51,193 |
| 1980s Celebrities by Picture #2 | 0 | - | 4.19 | 71,730 |
| 1990s Celebrities by Picture #1 | 0 | - | 4.13 | 79,437 |
| 1990s Celebrities by Picture #2 | 0 | - | 4.16 | 72,443 |
