| Pick a Picture - Animal Relations | 0 | - | 4.94 | 55,106 |
| Animals by Close-up Image | 0 | - | 4.42 | 217,336 |
| Aquatic Mammals by Picture | 0 | - | 4.41 | 45,433 |
| Extinct Animals by Picture | 0 | - | 4.49 | 35,065 |
| Fish by Picture #1 | 0 | - | 4.41 | 108,303 |
| Birds by Picture #1 | 0 | - | 4.47 | 41,367 |
| Animals A-Z by Picture | 0 | - | 4.08 | 66,166 |
| Mammals by Picture #3 | 0 | - | 4.39 | 61,935 |
| Mammals by Picture #4 | 0 | - | 4.03 | 34,026 |
| Mammals by Picture #2 | 0 | - | 4.28 | 58,050 |
| Birds by Picture #2 | 0 | - | 4.33 | 36,148 |
| Birds by Picture #3 | 0 | - | 4.24 | 32,997 |
| Animals by Skeleton Image | 0 | - | 4.80 | 46,188 |
| Sea Creatures by Picture | 0 | - | 4.27 | 17,638 |
| Countries with Wild Tigers | 0 | - | 4.96 | 136,029 |
| Countries with Wild Penguins | 0 | - | 4.94 | 99,649 |
| Countries with the Most Venomous Animal Species | 0 | - | 4.87 | 86,699 |
| Fish by Picture #2 | 0 | - | 4.06 | 18,484 |
| Countries With The Most Bird Species | 0 | - | 4.93 | 32,657 |
| Countries with the Most Sheep | 0 | - | 4.92 | 102,750 |
| Build-a-Bird by Guessing Countries | 0 | - | 4.99 | 62,703 |
| Countries With Two or More Bear Species | 0 | - | 4.90 | 22,595 |
| Countries with the Most Wolves | 0 | - | 4.92 | 107,461 |
| Countries that Catch the Most Fish | 0 | - | 4.90 | 111,852 |
| Animals that Appear on a Coat of Arms | 0 | - | 4.49 | 24,784 |
| Countries with the Most Wild Elephants | 0 | - | 4.63 | 54,772 |
| Animal Populations of Countries | 0 | - | 4.52 | 43,734 |
| Top 15 Countries with the Most Cows | 0 | - | 4.64 | 92,860 |
| Name that Bug | 0 | - | 4.12 | 45,499 |
| Former Countries by Territory Map | 0 | - | 4.96 | 102,145 |
| Empires by Maps | 0 | - | 4.98 | 119,317 |
| Merged Company Logos #1 | 0 | - | 4.91 | 105,833 |
| Australian Animals By Picture | 0 | - | 4.45 | 31,522 |
| Animals of Australia | 0 | - | 4.52 | 42,235 |
| Countries with More Cows than People | 0 | - | 4.45 | 61,002 |
| North American Bird-Named Teams | 0 | - | 4.44 | 67,738 |
| Countries with NO Snakes | 0 | - | 4.51 | 63,545 |
| All Country Flags of the World | 0 | - | 5.00 | 3,630,327 |
| "Big Five" African Game Animals | 0 | - | 4.22 | 47,305 |
| Countries with Wild Lions | 0 | - | 4.77 | 26,130 |
| Where Do Musk Oxen Live? | 0 | - | 4.63 | 15,274 |
| Islands by Shape #2 | 0 | - | 4.88 | 59,102 |
| Reptile Picture Quiz | 0 | - | 4.32 | 14,261 |
| Visual Memory Test - Random Cartoons | 0 | - | 4.98 | 103,388 |
| Play-Doh People from History | 0 | - | 4.99 | 94,286 |
| Famous Landmarks Out Of Focus #1 | 0 | - | 4.89 | 60,621 |
| Jeppy in Disguise #1 | 0 | - | 4.92 | 49,001 |
| Jeppy in Disguise #2 | 0 | - | 4.96 | 49,194 |
| Dog Breed Picture Quiz | 0 | - | 4.34 | 205,809 |
| Circular Cutouts from a World Map | 0 | - | 4.98 | 61,249 |
| Country Flags Quiz #1 | 0 | - | 4.98 | 2,531,236 |
| Country Flags Quiz #2 | 0 | - | 4.98 | 1,089,787 |
| Country Flags Quiz #3 | 0 | - | 4.98 | 731,454 |
| Top 10 Countries with the Most Horses | 0 | - | 4.49 | 68,826 |
| Make a Stained Glass Window | 0 | - | 5.00 | 68,131 |
| Flags with Crescents | 0 | - | 4.98 | 168,448 |
| Country Flag Trivia | 0 | - | 4.81 | 56,408 |
| Country Flags with Eagles - Picture Quiz | 0 | - | 4.98 | 102,984 |
| Country Flags with the Union Jack | 0 | - | 4.87 | 76,921 |
| Pixelated Flag Quiz | 0 | - | 4.98 | 86,537 |
| Flag Emblems Scavenger Hunt | 0 | - | 5.00 | 66,840 |
| Flags by Horizontal Stripes #1 | 0 | - | 4.84 | 84,713 |
| Badly Drawn Flags #1 | 0 | - | 4.99 | 60,168 |
| Country Flags with the Sun - Picture Quiz | 0 | - | 4.83 | 52,381 |
| Real vs. Fake Flags | 0 | - | 4.98 | 123,270 |
| National Football Team Logos | 0 | - | 4.85 | 179,502 |
| Asian Countries with NO Wolves | 0 | - | 4.60 | 18,715 |
| Largest Land Animals of Africa | 0 | - | 4.36 | 12,723 |
| Top Countries for Shark Attacks | 0 | - | 4.46 | 45,747 |
| Years in History by Picture | 0 | - | 4.44 | 35,312 |
| Famous Foreheads #1 | 0 | - | 4.47 | 74,513 |
| Merged Company Logos #2 | 0 | - | 4.75 | 77,079 |
| National Animals | 0 | - | 4.24 | 89,492 |
| Flags to Languages | 0 | - | 4.95 | 173,013 |
| Bodies of Water by Satellite Image #1 | 0 | - | 4.20 | 71,562 |
| Similar Country Flags - Multiple Choice Quiz | 0 | - | 4.94 | 50,202 |
| Animals by Range on a World Map | 0 | - | 4.96 | 25,373 |
| Three Real and One Fake - Country Flags | 0 | - | 4.97 | 83,617 |
| Fruits by Picture | 0 | - | 4.20 | 805,910 |
| Old Movies by Picture | 0 | - | 4.51 | 24,960 |
| Musical Instruments by Picture #2 | 0 | - | 4.24 | 46,831 |
| Name that Object #1 | 0 | - | 3.56 | 96,362 |
| Name that Historical Figure #1 | 0 | - | 4.63 | 336,517 |
| Geography by Picture - B | 0 | - | 4.42 | 55,501 |
| Geography by Picture - H | 0 | - | 4.50 | 58,116 |
| Geography by Picture - N | 0 | - | 4.45 | 42,114 |
| Geography by Picture - R | 0 | - | 4.56 | 40,937 |
| Geography by Picture - T | 0 | - | 4.54 | 57,751 |
| Name the Pixelated Landmark | 0 | - | 4.84 | 62,702 |
| Car Logos Quiz #1 | 0 | - | 4.44 | 535,450 |
| Random Logos Quiz | 0 | - | 4.31 | 207,660 |
| All North American Pro Sports Logos | 0 | - | 4.70 | 114,147 |
| Pictures by Letter - A | 0 | - | 4.17 | 33,258 |
| Pictures by Letter - J | 0 | - | 4.31 | 39,864 |
| Pictures by Letter - B | 0 | - | 4.31 | 43,752 |
| Pictures by Letter - D | 0 | - | 4.13 | 37,433 |
| Pictures by Letter - M | 0 | - | 4.24 | 37,654 |
| Largest Land Animals of Asia | 0 | - | 3.62 | 8,281 |
| Animals in World History | 0 | - | 4.74 | 44,348 |
| Capital Cities by Body of Water | 0 | - | 4.85 | 57,451 |
| Islands by Shape #1 | 0 | - | 4.32 | 84,251 |
| 1970s Celebrities by Picture #1 | 0 | - | 4.20 | 57,775 |
| 1970s Celebrities by Picture #2 | 0 | - | 4.21 | 50,535 |
| Elements by Picture | 0 | - | 4.27 | 69,738 |
| Rocks and Minerals Picture Quiz | 0 | - | 4.48 | 29,232 |
| Islands by Picture | 0 | - | 4.29 | 106,386 |
| Classic Movies by Movie Posters | 0 | - | 4.45 | 24,166 |
| 1980s Movie Silhouettes | 0 | - | 4.97 | 103,215 |
| Famous Landmarks Out Of Focus #2 | 0 | - | 4.37 | 41,002 |
| 1940s Celebrities by Picture | 0 | - | 4.43 | 47,882 |
| International Footballers by Picture | 0 | - | 4.50 | 55,146 |
| Name that Historical Figure #2 | 0 | - | 4.41 | 283,648 |
| Name that Historical Figure #5 | 0 | - | 4.43 | 107,156 |
| Name that Historical Figure #7 - U.S. Edition | 0 | - | 4.50 | 50,570 |
| Geography by Picture - A | 0 | - | 4.39 | 60,131 |
| Geography by Picture - D | 0 | - | 4.15 | 45,559 |
| Geography by Picture - F | 0 | - | 4.31 | 50,893 |
| Geography by Picture - G | 0 | - | 4.38 | 47,866 |
| Geography by Picture - J | 0 | - | 4.16 | 38,385 |
| Geography by Picture - K | 0 | - | 4.29 | 33,060 |
| Geography by Picture - C | 0 | - | 4.31 | 56,987 |
| Geography by Picture - L | 0 | - | 4.37 | 58,849 |
| Geography by Picture - M | 0 | - | 4.14 | 40,387 |
| Geography by Picture - P | 0 | - | 4.24 | 42,357 |
| Geography by Picture - S | 0 | - | 4.38 | 46,968 |
| Miscellaneous Flags Quiz | 0 | - | 4.42 | 279,353 |
| Country Flags Multiple Choice | 0 | - | 4.97 | 143,987 |
| Flag Maths | 0 | - | 4.64 | 57,707 |
| Satellite Images #1 | 0 | - | 4.46 | 129,175 |
| Satellite Images Quiz #2 | 0 | - | 4.63 | 109,134 |
| Satellite Images Quiz #4 | 0 | - | 4.55 | 88,776 |
| Bodies of Water by Satellite Image #2 | 0 | - | 4.36 | 19,632 |
| Satellite Images Quiz #5 | 0 | - | 4.52 | 49,775 |
| Satellite Images Quiz #6 | 0 | - | 4.50 | 38,884 |
| Cities by Picture #1 | 0 | - | 4.73 | 85,649 |
| Soccer Team Logos | 0 | - | 4.26 | 372,522 |
| Brand Logos Quiz #1 | 0 | - | 4.82 | 2,411,320 |
| Ultimate Car Logos Quiz | 0 | - | 4.80 | 178,152 |
| Car Logos Quiz #2 | 0 | - | 4.43 | 260,543 |
| Video Game Logos Quiz | 0 | - | 4.40 | 183,260 |
| Movie Logos | 0 | - | 4.33 | 237,063 |
| Brand Logos That Start With M | 0 | - | 4.45 | 62,212 |
| Brand Logos That Start with A | 0 | - | 4.52 | 69,757 |
| History by Picture - A | 0 | - | 4.25 | 45,644 |
| History by Picture - B | 0 | - | 4.40 | 48,786 |
| History by Picture - C | 0 | - | 4.36 | 54,300 |
| History by Picture - F | 0 | - | 4.35 | 37,760 |
| History by Picture - G | 0 | - | 4.40 | 42,015 |
| History by Picture - D | 0 | - | 4.29 | 44,179 |
| History by Picture - E | 0 | - | 4.27 | 43,795 |
| History by Picture - H | 0 | - | 4.37 | 36,684 |
| History by Picture - K | 0 | - | 4.35 | 33,240 |
| History by Picture - M | 0 | - | 4.17 | 36,036 |
| History by Picture - N | 0 | - | 4.40 | 41,137 |
| History by Picture - O | 0 | - | 4.39 | 36,195 |
| History by Picture - T | 0 | - | 4.20 | 33,213 |
| Name that Nut, Seed, or Bean | 0 | - | 4.63 | 57,041 |
| Baby, Male and Female Animals | 0 | - | 4.43 | 150,011 |
| Animal Adjectives | 0 | - | 4.77 | 59,918 |
| North American Cat-Named Sports Teams | 0 | - | 4.43 | 33,603 |
| African Great Lakes | 0 | - | 4.82 | 65,699 |
| Art Works Picture Quiz #1 | 0 | - | 4.51 | 118,749 |
| Art Works Picture Quiz #2 | 0 | - | 4.49 | 104,996 |
| Musical Instruments by Picture #1 | 0 | - | 4.52 | 268,397 |
| Flowers by Picture | 0 | - | 4.46 | 105,132 |
| Art Works Picture Quiz #3 | 0 | - | 4.45 | 48,628 |
| Name that Object #2 | 0 | - | 3.64 | 15,359 |
| Authors by Picture | 0 | - | 4.48 | 25,467 |
| Name that Object #3 | 0 | - | 3.93 | 14,331 |
| Fruit and Vegetable Emojis | 0 | - | 4.42 | 79,833 |
| WWII Figures by Picture | 0 | - | 4.89 | 63,950 |
| College Sports Logos Quiz #3 | 0 | - | 4.30 | 55,406 |
| Planets By Picture Quiz | 0 | - | 4.49 | 56,472 |
| Songs by Picture Quiz #1 | 0 | - | 4.68 | 65,639 |
| Songs by Picture Quiz #2 | 0 | - | 4.42 | 58,639 |
| Oscar Nominated Actors by Picture #1 | 0 | - | 4.42 | 164,873 |
| 1960s Celebrities by Picture #1 | 0 | - | 4.27 | 70,209 |
| 1960s Celebrities by Picture #2 | 0 | - | 4.26 | 51,263 |
| 1950s Celebrities by Picture #1 | 0 | - | 4.24 | 51,035 |
| 1980s Celebrities by Picture #2 | 0 | - | 4.19 | 71,461 |
| 1990s Celebrities by Picture #1 | 0 | - | 4.13 | 79,183 |
| 1990s Celebrities by Picture #2 | 0 | - | 4.16 | 72,140 |
| 2000s Celebrities by Picture #2 | 0 | - | 4.15 | 94,904 |
| 1950s Celebrities by Picture #2 | 0 | - | 4.29 | 46,027 |
| Name that Historical Figure #3 | 0 | - | 4.36 | 238,625 |
| Name that Historical Figure #4 | 0 | - | 4.29 | 158,600 |
| Name that Historical Figure #6 | 0 | - | 4.26 | 92,901 |
| Musicians by Picture #1 | 0 | - | 4.39 | 107,891 |
| Musicians by Picture #2 | 0 | - | 4.29 | 75,815 |
| Musicians by Picture #4 | 0 | - | 4.07 | 64,434 |
| Musicians by Picture #3 | 0 | - | 4.10 | 58,623 |
| Emoji Flags | 0 | - | 4.35 | 43,926 |
| Flag Coloring Book Puzzle #1 | 0 | - | 4.97 | 170,559 |
| Fill the Map of Europe by Guessing Flag Colors | 0 | - | 4.67 | 37,651 |
| Languages by Combined Flags | 0 | - | 4.53 | 99,536 |
| Satellite Images Quiz #3 | 0 | - | 4.35 | 73,313 |
| Satellite Images - Island Chains | 0 | - | 4.43 | 66,056 |
| Islands by Satellite Image #1 | 0 | - | 4.70 | 70,386 |
| Peninsulas by Satellite Image | 0 | - | 4.53 | 27,725 |
| Landmarks Picture Quiz #1 | 0 | - | 4.16 | 393,717 |
