| Pick a Picture - Animal Relations | 0 | - | 4.94 | 55,547 |
| Animals by Skeleton Image | 0 | - | 4.81 | 46,642 |
| Animals by Close-up Image | 0 | - | 4.42 | 218,504 |
| Aquatic Mammals by Picture | 0 | - | 4.41 | 45,749 |
| Extinct Animals by Picture | 0 | - | 4.49 | 35,312 |
| Mammals by Picture #1 | 0 | - | 4.70 | 91,975 |
| Fish by Picture #1 | 0 | - | 4.41 | 108,623 |
| Birds by Picture #1 | 0 | - | 4.47 | 41,779 |
| Mammals by Picture #3 | 0 | - | 4.39 | 62,246 |
| Mammals by Picture #4 | 0 | - | 4.03 | 34,188 |
| Mammals by Picture #2 | 0 | - | 4.28 | 58,328 |
| Birds by Picture #2 | 0 | - | 4.33 | 36,481 |
| Birds by Picture #3 | 0 | - | 4.24 | 33,293 |
| Sea Creatures by Picture | 0 | - | 4.27 | 17,743 |
| Countries with Wild Tigers | 0 | - | 4.96 | 136,947 |
| Countries with Wild Penguins | 0 | - | 4.94 | 100,269 |
| Countries with the Most Venomous Animal Species | 0 | - | 4.87 | 87,281 |
| Fish by Picture #2 | 0 | - | 4.07 | 18,606 |
| Countries With The Most Bird Species | 0 | - | 4.93 | 33,006 |
| Countries with the Most Sheep | 0 | - | 4.92 | 103,362 |
| Build-a-Bird by Guessing Countries | 0 | - | 4.99 | 63,325 |
| Countries With Two or More Bear Species | 0 | - | 4.90 | 22,790 |
| Countries with the Most Wolves | 0 | - | 4.92 | 108,208 |
| Countries that Catch the Most Fish | 0 | - | 4.90 | 112,634 |
| Australian Animals By Picture | 0 | - | 4.45 | 31,658 |
| Animals that Appear on a Coat of Arms | 0 | - | 4.49 | 24,836 |
| Countries with the Most Wild Elephants | 0 | - | 4.63 | 55,022 |
| Animal Populations of Countries | 0 | - | 4.52 | 43,924 |
| Top 15 Countries with the Most Cows | 0 | - | 4.74 | 107,264 |
| Name that Bug | 0 | - | 4.12 | 45,582 |
| Former Countries by Territory Map | 0 | - | 4.96 | 103,049 |
| Empires by Maps | 0 | - | 4.98 | 120,865 |
| Merged Company Logos #1 | 0 | - | 4.90 | 106,737 |
| Animals of Australia | 0 | - | 4.52 | 42,359 |
| Countries with More Cows than People | 0 | - | 4.45 | 61,420 |
| North American Bird-Named Teams | 0 | - | 4.44 | 67,911 |
| Countries with NO Snakes | 0 | - | 4.51 | 63,610 |
| All Country Flags of the World | 0 | - | 5.00 | 3,676,644 |
| "Big Five" African Game Animals | 0 | - | 4.22 | 47,406 |
| Countries with Wild Lions | 0 | - | 4.77 | 26,400 |
| Where Do Musk Oxen Live? | 0 | - | 4.63 | 15,320 |
| Islands by Shape #2 | 0 | - | 4.88 | 59,325 |
| Reptile Picture Quiz | 0 | - | 4.32 | 14,315 |
| Visual Memory Test - Random Cartoons | 0 | - | 4.98 | 104,654 |
| Play-Doh People from History | 0 | - | 4.99 | 94,992 |
| Famous Landmarks Out Of Focus #1 | 0 | - | 4.89 | 61,201 |
| Jeppy in Disguise #1 | 0 | - | 4.92 | 49,529 |
| Jeppy in Disguise #2 | 0 | - | 4.96 | 49,668 |
| Dog Breed Picture Quiz | 0 | - | 4.34 | 206,319 |
| Circular Cutouts from a World Map | 0 | - | 4.98 | 61,722 |
| Country Flags Quiz #1 | 0 | - | 4.98 | 2,539,400 |
| Country Flags Quiz #2 | 0 | - | 4.98 | 1,093,981 |
| Country Flags Quiz #3 | 0 | - | 4.97 | 734,187 |
| Top 10 Countries with the Most Horses | 0 | - | 4.49 | 69,094 |
| Make a Stained Glass Window | 0 | - | 5.00 | 68,659 |
| Flags with Crescents | 0 | - | 4.98 | 169,987 |
| Country Flag Trivia | 0 | - | 4.81 | 57,267 |
| Country Flags with Eagles - Picture Quiz | 0 | - | 4.98 | 104,061 |
| Country Flags with the Union Jack | 0 | - | 4.87 | 77,742 |
| Pixelated Flag Quiz | 0 | - | 4.97 | 87,707 |
| Flag Emblems Scavenger Hunt | 0 | - | 5.00 | 67,447 |
| Flags by Horizontal Stripes #1 | 0 | - | 4.84 | 85,421 |
| Badly Drawn Flags #1 | 0 | - | 4.99 | 60,641 |
| Country Flags with the Sun - Picture Quiz | 0 | - | 4.83 | 53,004 |
| Real vs. Fake Flags | 0 | - | 4.98 | 124,620 |
| Ultimate Car Logos Quiz | 0 | - | 4.81 | 181,526 |
| National Football Team Logos | 0 | - | 4.85 | 180,733 |
| Asian Countries with NO Wolves | 0 | - | 4.60 | 18,882 |
| Largest Land Animals of Africa | 0 | - | 4.36 | 12,769 |
| Top Countries for Shark Attacks | 0 | - | 4.47 | 45,854 |
| Years in History by Picture | 0 | - | 4.44 | 35,592 |
| Where Are These Doors? | 0 | - | 4.45 | 30,060 |
| Famous Foreheads #1 | 0 | - | 4.47 | 75,052 |
| Merged Company Logos #2 | 0 | - | 4.75 | 77,724 |
| National Animals | 0 | - | 4.24 | 89,749 |
| Flags to Languages | 0 | - | 4.95 | 173,869 |
| Bodies of Water by Satellite Image #1 | 0 | - | 4.20 | 72,096 |
| Similar Country Flags - Multiple Choice Quiz | 0 | - | 4.94 | 50,659 |
| Animals by Range on a World Map | 0 | - | 4.96 | 25,618 |
| Three Real and One Fake - Country Flags | 0 | - | 4.97 | 84,289 |
| Fruits by Picture | 0 | - | 4.19 | 807,839 |
| Old Movies by Picture | 0 | - | 4.51 | 25,140 |
| Musical Instruments by Picture #2 | 0 | - | 4.24 | 47,106 |
| Name that Object #1 | 0 | - | 3.57 | 96,524 |
| Name that Historical Figure #1 | 0 | - | 4.63 | 338,017 |
| Geography by Picture - B | 0 | - | 4.42 | 55,662 |
| Geography by Picture - H | 0 | - | 4.50 | 58,272 |
| Geography by Picture - N | 0 | - | 4.45 | 42,241 |
| Geography by Picture - R | 0 | - | 4.56 | 41,064 |
| Geography by Picture - T | 0 | - | 4.54 | 57,890 |
| Name the Pixelated Landmark | 0 | - | 4.85 | 63,139 |
| Car Logos Quiz #1 | 0 | - | 4.52 | 540,501 |
| Random Logos Quiz | 0 | - | 4.31 | 208,729 |
| All North American Pro Sports Logos | 0 | - | 4.70 | 115,457 |
| Pictures by Letter - A | 0 | - | 4.18 | 33,498 |
| Pictures by Letter - J | 0 | - | 4.31 | 40,120 |
| Pictures by Letter - B | 0 | - | 4.32 | 44,067 |
| Pictures by Letter - D | 0 | - | 4.14 | 37,665 |
| Pictures by Letter - M | 0 | - | 4.24 | 37,868 |
| Largest Land Animals of Asia | 0 | - | 3.64 | 8,313 |
| Animals in World History | 0 | - | 4.74 | 44,557 |
| Capital Cities by Body of Water | 0 | - | 4.85 | 57,722 |
| Islands by Shape #1 | 0 | - | 4.33 | 84,408 |
| 1970s Celebrities by Picture #1 | 0 | - | 4.20 | 58,036 |
| 1970s Celebrities by Picture #2 | 0 | - | 4.21 | 50,764 |
| Elements by Picture | 0 | - | 4.27 | 70,056 |
| Rocks and Minerals Picture Quiz | 0 | - | 4.48 | 29,375 |
| Islands by Picture | 0 | - | 4.28 | 107,199 |
| Classic Movies by Movie Posters | 0 | - | 4.45 | 24,301 |
| 1980s Movie Silhouettes | 0 | - | 4.97 | 104,048 |
| Famous Landmarks Out Of Focus #2 | 0 | - | 4.37 | 41,332 |
| 1940s Celebrities by Picture | 0 | - | 4.43 | 48,083 |
| International Footballers by Picture | 0 | - | 4.50 | 55,823 |
| Name that Historical Figure #2 | 0 | - | 4.42 | 284,969 |
| Name that Historical Figure #5 | 0 | - | 4.43 | 107,930 |
| Name that Historical Figure #7 - U.S. Edition | 0 | - | 4.51 | 50,929 |
| Geography by Picture - A | 0 | - | 4.39 | 60,314 |
| Geography by Picture - D | 0 | - | 4.15 | 45,697 |
| Geography by Picture - F | 0 | - | 4.31 | 51,058 |
| Geography by Picture - G | 0 | - | 4.39 | 47,987 |
| Geography by Picture - J | 0 | - | 4.16 | 38,503 |
| Geography by Picture - K | 0 | - | 4.29 | 33,166 |
| Geography by Picture - C | 0 | - | 4.31 | 57,118 |
| Geography by Picture - L | 0 | - | 4.37 | 59,029 |
| Geography by Picture - M | 0 | - | 4.14 | 40,498 |
| Geography by Picture - P | 0 | - | 4.24 | 42,471 |
| Geography by Picture - S | 0 | - | 4.38 | 47,078 |
| Miscellaneous Flags Quiz | 0 | - | 4.42 | 280,864 |
| Country Flags Multiple Choice | 0 | - | 4.97 | 144,788 |
| Flag Maths | 0 | - | 4.64 | 57,785 |
| Satellite Images #1 | 0 | - | 4.47 | 129,455 |
| Satellite Images Quiz #2 | 0 | - | 4.63 | 109,376 |
| Satellite Images Quiz #4 | 0 | - | 4.55 | 88,971 |
| Bodies of Water by Satellite Image #2 | 0 | - | 4.36 | 19,717 |
| Satellite Images Quiz #5 | 0 | - | 4.52 | 49,997 |
| Satellite Images Quiz #6 | 0 | - | 4.50 | 39,029 |
| Cities by Picture #1 | 0 | - | 4.73 | 86,139 |
| Soccer Team Logos | 0 | - | 4.26 | 375,381 |
| Brand Logos Quiz #1 | 0 | - | 4.83 | 2,427,464 |
| Car Logos Quiz #2 | 0 | - | 4.43 | 262,528 |
| Video Game Logos Quiz | 0 | - | 4.40 | 184,287 |
| Movie Logos | 0 | - | 4.33 | 239,005 |
| Brand Logos That Start with A | 0 | - | 4.52 | 70,587 |
| History by Picture - A | 0 | - | 4.26 | 45,904 |
| History by Picture - B | 0 | - | 4.40 | 49,088 |
| History by Picture - C | 0 | - | 4.36 | 54,596 |
| History by Picture - F | 0 | - | 4.35 | 37,972 |
| History by Picture - G | 0 | - | 4.40 | 42,224 |
| History by Picture - D | 0 | - | 4.29 | 44,409 |
| History by Picture - E | 0 | - | 4.25 | 44,024 |
| History by Picture - H | 0 | - | 4.37 | 36,871 |
| History by Picture - K | 0 | - | 4.35 | 33,432 |
| History by Picture - M | 0 | - | 4.17 | 36,218 |
| History by Picture - N | 0 | - | 4.40 | 41,341 |
| History by Picture - O | 0 | - | 4.39 | 36,385 |
| History by Picture - T | 0 | - | 4.20 | 33,382 |
| Name that Nut, Seed, or Bean | 0 | - | 4.63 | 57,394 |
| Baby, Male and Female Animals | 0 | - | 4.43 | 150,644 |
| Animal Adjectives | 0 | - | 4.77 | 60,061 |
| North American Cat-Named Sports Teams | 0 | - | 4.43 | 33,721 |
| African Great Lakes | 0 | - | 4.82 | 66,436 |
| Art Works Picture Quiz #1 | 0 | - | 4.51 | 119,435 |
| Art Works Picture Quiz #2 | 0 | - | 4.49 | 105,504 |
| Musical Instruments by Picture #1 | 0 | - | 4.52 | 269,189 |
| Flowers by Picture | 0 | - | 4.46 | 105,722 |
| Art Works Picture Quiz #3 | 0 | - | 4.45 | 48,820 |
| Name that Object #2 | 0 | - | 3.64 | 15,463 |
| Authors by Picture | 0 | - | 4.48 | 25,553 |
| Name that Object #3 | 0 | - | 3.93 | 14,419 |
| Fruit and Vegetable Emojis | 0 | - | 4.45 | 90,245 |
| WWII Figures by Picture | 0 | - | 4.89 | 65,706 |
| College Sports Logos Quiz #3 | 0 | - | 4.30 | 55,914 |
| Planets By Picture Quiz | 0 | - | 4.49 | 56,986 |
| Songs by Picture Quiz #1 | 0 | - | 4.68 | 66,144 |
| Songs by Picture Quiz #2 | 0 | - | 4.42 | 58,997 |
| Oscar Nominated Actors by Picture #1 | 0 | - | 4.42 | 165,323 |
| 1960s Celebrities by Picture #1 | 0 | - | 4.27 | 70,528 |
| 1960s Celebrities by Picture #2 | 0 | - | 4.26 | 51,498 |
| 1950s Celebrities by Picture #1 | 0 | - | 4.24 | 51,239 |
| 1980s Celebrities by Picture #2 | 0 | - | 4.19 | 71,835 |
| 1990s Celebrities by Picture #1 | 0 | - | 4.14 | 79,530 |
| 1990s Celebrities by Picture #2 | 0 | - | 4.16 | 72,550 |
| 2000s Celebrities by Picture #2 | 0 | - | 4.15 | 95,732 |
| 1950s Celebrities by Picture #2 | 0 | - | 4.29 | 46,220 |
| Name that Historical Figure #3 | 0 | - | 4.36 | 239,745 |
| Name that Historical Figure #4 | 0 | - | 4.29 | 159,394 |
| Name that Historical Figure #6 | 0 | - | 4.26 | 93,535 |
| Musicians by Picture #1 | 0 | - | 4.37 | 109,139 |
| Musicians by Picture #2 | 0 | - | 4.29 | 76,702 |
| Musicians by Picture #4 | 0 | - | 4.07 | 65,108 |
| Musicians by Picture #3 | 0 | - | 4.10 | 59,138 |
| Emoji Flags | 0 | - | 4.35 | 44,145 |
| Flag Coloring Book Puzzle #1 | 0 | - | 4.97 | 171,866 |
| Fill the Map of Europe by Guessing Flag Colors | 0 | - | 4.68 | 37,970 |
| Languages by Combined Flags | 0 | - | 4.53 | 100,179 |
| Satellite Images Quiz #3 | 0 | - | 4.35 | 73,436 |
| Satellite Images - Island Chains | 0 | - | 4.43 | 66,585 |
| Islands by Satellite Image #1 | 0 | - | 4.70 | 70,881 |
| Peninsulas by Satellite Image | 0 | - | 4.53 | 27,842 |
| Landmarks Picture Quiz #1 | 0 | - | 4.16 | 394,860 |
