| Pick a Picture - Animal Relations | 0 | - | 4.94 | 55,341 |
| Name that Bug | 0 | - | 4.12 | 45,551 |
| Animals by Skeleton Image | 0 | - | 4.81 | 46,429 |
| Animals by Close-up Image | 0 | - | 4.42 | 217,732 |
| Aquatic Mammals by Picture | 0 | - | 4.41 | 45,600 |
| Extinct Animals by Picture | 0 | - | 4.49 | 35,202 |
| Mammals by Picture #1 | 0 | - | 4.70 | 91,743 |
| Countries with Wild Tigers | 0 | - | 4.96 | 136,738 |
| Countries with Wild Penguins | 0 | - | 4.94 | 100,110 |
| Countries with the Most Venomous Animal Species | 0 | - | 4.87 | 87,137 |
| Fish by Picture #1 | 0 | - | 4.41 | 108,498 |
| Animals A-Z by Picture | 0 | - | 4.08 | 66,395 |
| Mammals by Picture #3 | 0 | - | 4.39 | 62,088 |
| Mammals by Picture #4 | 0 | - | 4.03 | 34,109 |
| Mammals by Picture #2 | 0 | - | 4.28 | 58,204 |
| Animals by Range on a World Map | 0 | - | 4.96 | 25,519 |
| Countries with the Most Sheep | 0 | - | 4.92 | 103,176 |
| Reptile Picture Quiz | 0 | - | 4.32 | 14,293 |
| Countries With Two or More Bear Species | 0 | - | 4.90 | 22,743 |
| Countries with the Most Wolves | 0 | - | 4.92 | 107,984 |
| Animals in World History | 0 | - | 4.74 | 44,463 |
| Countries that Catch the Most Fish | 0 | - | 4.90 | 112,428 |
| Sea Creatures by Picture | 0 | - | 4.27 | 17,695 |
| Countries with the Most Wild Elephants | 0 | - | 4.63 | 54,949 |
| Animal Populations of Countries | 0 | - | 4.52 | 43,850 |
| North American Cat-Named Sports Teams | 0 | - | 4.43 | 33,667 |
| Top 15 Countries with the Most Cows | 0 | - | 4.73 | 106,155 |
| Former Countries by Territory Map | 0 | - | 4.96 | 102,700 |
| Empires by Maps | 0 | - | 4.98 | 120,252 |
| Fish by Picture #2 | 0 | - | 4.06 | 18,555 |
| Merged Company Logos #1 | 0 | - | 4.90 | 106,395 |
| Flowers by Picture | 0 | - | 4.46 | 105,616 |
| Birds by Picture #1 | 0 | - | 4.47 | 41,582 |
| Countries with More Cows than People | 0 | - | 4.45 | 61,259 |
| North American Bird-Named Teams | 0 | - | 4.44 | 67,846 |
| Countries with NO Snakes | 0 | - | 4.51 | 63,579 |
| All Country Flags of the World | 0 | - | 5.00 | 3,656,430 |
| "Big Five" African Game Animals | 0 | - | 4.22 | 47,361 |
| Countries with Wild Lions | 0 | - | 4.77 | 26,295 |
| Where Do Musk Oxen Live? | 0 | - | 4.63 | 15,307 |
| Islands by Shape #2 | 0 | - | 4.88 | 59,236 |
| Visual Memory Test - Random Cartoons | 0 | - | 4.98 | 104,166 |
| Play-Doh People from History | 0 | - | 4.99 | 94,696 |
| Famous Landmarks Out Of Focus #1 | 0 | - | 4.89 | 60,961 |
| Jeppy in Disguise #1 | 0 | - | 4.92 | 49,309 |
| Jeppy in Disguise #2 | 0 | - | 4.96 | 49,472 |
| Circular Cutouts from a World Map | 0 | - | 4.98 | 61,531 |
| Country Flags Quiz #1 | 0 | - | 4.98 | 2,535,938 |
| Country Flags Quiz #2 | 0 | - | 4.98 | 1,092,268 |
| Country Flags Quiz #3 | 0 | - | 4.97 | 733,008 |
| Name the Cat Flags | 0 | - | 5.00 | 40,310 |
| Extinct Animals | 0 | - | 4.16 | 27,499 |
| Earliest Domestication of Animals | 0 | - | 4.34 | 28,256 |
| Animals in the News | 0 | - | 4.37 | 26,785 |
| Top 10 Countries with the Most Horses | 0 | - | 4.49 | 68,985 |
| Megadiverse Countries | 0 | - | 4.96 | 134,818 |
| Make a Stained Glass Window | 0 | - | 5.00 | 68,447 |
| Birds by Picture #2 | 0 | - | 4.33 | 36,335 |
| Birds by Picture #3 | 0 | - | 4.24 | 33,152 |
| Flags with Crescents | 0 | - | 4.98 | 169,326 |
| Country Flag Trivia | 0 | - | 4.81 | 56,925 |
| Country Flags with Eagles - Picture Quiz | 0 | - | 4.98 | 103,606 |
| Country Flags with the Union Jack | 0 | - | 4.87 | 77,379 |
| Pixelated Flag Quiz | 0 | - | 4.97 | 87,235 |
| Flag Emblems Scavenger Hunt | 0 | - | 5.00 | 67,191 |
| Flags by Horizontal Stripes #1 | 0 | - | 4.84 | 85,133 |
| Badly Drawn Flags #1 | 0 | - | 4.99 | 60,435 |
| Country Flags with the Sun - Picture Quiz | 0 | - | 4.83 | 52,723 |
| Real vs. Fake Flags | 0 | - | 4.98 | 124,043 |
| National Football Team Logos | 0 | - | 4.85 | 180,189 |
| Asian Countries with NO Wolves | 0 | - | 4.60 | 18,811 |
| Largest Land Animals of the Americas | 0 | - | 4.39 | 20,260 |
| Largest Land Animals of Africa | 0 | - | 4.36 | 12,749 |
| Old World... or New World? | 0 | - | 4.66 | 21,323 |
| Top Countries for Shark Attacks | 0 | - | 4.46 | 45,803 |
| Natural Features of Countries #1 | 0 | - | 4.87 | 83,784 |
| Countries with Fjords | 0 | - | 4.94 | 100,838 |
| Years in History by Picture | 0 | - | 4.44 | 35,477 |
| Where Are These Doors? | 0 | - | 4.45 | 29,969 |
| Famous Foreheads #1 | 0 | - | 4.47 | 74,831 |
| Animals that Appear on a Coat of Arms | 0 | - | 4.49 | 24,816 |
| Merged Company Logos #2 | 0 | - | 4.75 | 77,482 |
| Australian Animals By Picture | 0 | - | 4.45 | 31,587 |
| Flags to Languages | 0 | - | 4.95 | 173,524 |
| Similar Country Flags - Multiple Choice Quiz | 0 | - | 4.94 | 50,478 |
| Countries With The Most Bird Species | 0 | - | 4.93 | 32,899 |
| Build-a-Bird by Guessing Countries | 0 | - | 4.99 | 63,120 |
| Terrestrial Biomes - Map Quiz | 0 | - | 4.99 | 21,108 |
| Three Real and One Fake - Country Flags | 0 | - | 4.97 | 83,993 |
| Fruits by Picture | 0 | - | 4.19 | 807,011 |
| Old Movies by Picture | 0 | - | 4.51 | 25,075 |
| Musical Instruments by Picture #2 | 0 | - | 4.24 | 46,989 |
| Name that Object #1 | 0 | - | 3.57 | 96,481 |
| Name that Historical Figure #1 | 0 | - | 4.63 | 337,323 |
| Geography by Picture - B | 0 | - | 4.42 | 55,587 |
| Geography by Picture - H | 0 | - | 4.50 | 58,210 |
| Geography by Picture - N | 0 | - | 4.45 | 42,189 |
| Geography by Picture - R | 0 | - | 4.56 | 41,012 |
| Geography by Picture - T | 0 | - | 4.54 | 57,824 |
| Name the Pixelated Landmark | 0 | - | 4.85 | 62,959 |
| Car Logos Quiz #1 | 0 | - | 4.45 | 538,388 |
| Random Logos Quiz | 0 | - | 4.31 | 208,300 |
| All North American Pro Sports Logos | 0 | - | 4.70 | 114,917 |
| Pictures by Letter - A | 0 | - | 4.17 | 33,399 |
| Pictures by Letter - J | 0 | - | 4.31 | 40,020 |
| Pictures by Letter - B | 0 | - | 4.31 | 43,949 |
| Pictures by Letter - D | 0 | - | 4.13 | 37,573 |
| Pictures by Letter - M | 0 | - | 4.24 | 37,784 |
| Largest Land Animals of Asia | 0 | - | 3.64 | 8,294 |
| Capital Cities by Body of Water | 0 | - | 4.85 | 57,635 |
| Countries with the Most Lakes Over 100 Km² | 0 | - | 4.83 | 32,236 |
| Countries With No Rivers | 0 | - | 4.96 | 76,745 |
| Name a Valid Country on Each River | 0 | - | 4.95 | 62,041 |
| Rivers in History | 0 | - | 4.92 | 33,248 |
| Countries That Touch the Baltic Sea | 0 | - | 4.98 | 116,001 |
| North Sea Countries | 0 | - | 4.92 | 87,352 |
| Black Sea Countries | 0 | - | 4.87 | 60,586 |
| Countries That Touch the Red Sea | 0 | - | 4.90 | 65,346 |
| Caspian Sea Countries | 0 | - | 4.90 | 63,445 |
| Countries with the Shortest Coastlines | 0 | - | 4.89 | 67,207 |
| Islands by Shape #1 | 0 | - | 4.32 | 84,333 |
| 1970s Celebrities by Picture #1 | 0 | - | 4.20 | 57,935 |
| 1970s Celebrities by Picture #2 | 0 | - | 4.21 | 50,674 |
| Elements by Picture | 0 | - | 4.27 | 69,901 |
| Rocks and Minerals Picture Quiz | 0 | - | 4.48 | 29,301 |
| Islands by Picture | 0 | - | 4.29 | 106,842 |
| Classic Movies by Movie Posters | 0 | - | 4.45 | 24,250 |
| 1980s Movie Silhouettes | 0 | - | 4.97 | 103,709 |
| Famous Landmarks Out Of Focus #2 | 0 | - | 4.37 | 41,171 |
| Dog Breed Picture Quiz | 0 | - | 4.34 | 206,109 |
| 1940s Celebrities by Picture | 0 | - | 4.43 | 47,999 |
| International Footballers by Picture | 0 | - | 4.50 | 55,536 |
| Name that Historical Figure #2 | 0 | - | 4.42 | 284,376 |
| Name that Historical Figure #5 | 0 | - | 4.43 | 107,558 |
| Name that Historical Figure #7 - U.S. Edition | 0 | - | 4.51 | 50,770 |
| Geography by Picture - A | 0 | - | 4.39 | 60,230 |
| Geography by Picture - D | 0 | - | 4.15 | 45,645 |
| Geography by Picture - F | 0 | - | 4.31 | 50,983 |
| Geography by Picture - G | 0 | - | 4.38 | 47,936 |
| Geography by Picture - J | 0 | - | 4.16 | 38,453 |
| Geography by Picture - K | 0 | - | 4.29 | 33,117 |
| Geography by Picture - C | 0 | - | 4.31 | 57,054 |
| Geography by Picture - L | 0 | - | 4.37 | 58,937 |
| Geography by Picture - M | 0 | - | 4.14 | 40,446 |
| Geography by Picture - P | 0 | - | 4.24 | 42,425 |
| Geography by Picture - S | 0 | - | 4.38 | 47,033 |
| Miscellaneous Flags Quiz | 0 | - | 4.42 | 280,216 |
| Country Flags Multiple Choice | 0 | - | 4.97 | 144,439 |
| Flag Maths | 0 | - | 4.64 | 57,754 |
| Satellite Images #1 | 0 | - | 4.47 | 129,333 |
| Satellite Images Quiz #2 | 0 | - | 4.63 | 109,271 |
| Satellite Images Quiz #4 | 0 | - | 4.55 | 88,888 |
| Satellite Images Quiz #5 | 0 | - | 4.52 | 49,894 |
| Satellite Images Quiz #6 | 0 | - | 4.50 | 38,964 |
| Cities by Picture #1 | 0 | - | 4.73 | 85,928 |
| Soccer Team Logos | 0 | - | 4.26 | 374,137 |
| Brand Logos Quiz #1 | 0 | - | 4.83 | 2,420,756 |
| Ultimate Car Logos Quiz | 0 | - | 4.80 | 180,058 |
| Car Logos Quiz #2 | 0 | - | 4.43 | 261,666 |
| Video Game Logos Quiz | 0 | - | 4.40 | 183,857 |
| Movie Logos | 0 | - | 4.33 | 238,225 |
| Brand Logos That Start With M | 0 | - | 4.45 | 62,733 |
| Brand Logos That Start with A | 0 | - | 4.52 | 70,204 |
| History by Picture - A | 0 | - | 4.26 | 45,789 |
| History by Picture - B | 0 | - | 4.40 | 48,948 |
| History by Picture - C | 0 | - | 4.36 | 54,473 |
| History by Picture - F | 0 | - | 4.35 | 37,881 |
| History by Picture - G | 0 | - | 4.40 | 42,141 |
| History by Picture - D | 0 | - | 4.29 | 44,311 |
| History by Picture - E | 0 | - | 4.25 | 43,931 |
| History by Picture - H | 0 | - | 4.37 | 36,795 |
| History by Picture - K | 0 | - | 4.35 | 33,358 |
| History by Picture - M | 0 | - | 4.17 | 36,146 |
| History by Picture - N | 0 | - | 4.40 | 41,257 |
| History by Picture - O | 0 | - | 4.39 | 36,316 |
| History by Picture - T | 0 | - | 4.20 | 33,313 |
| Name that Nut, Seed, or Bean | 0 | - | 4.63 | 57,243 |
| Baby, Male and Female Animals | 0 | - | 4.43 | 150,359 |
| Words Containing Animals #1 | 0 | - | 4.21 | 43,509 |
| Words Containing Animals #2 | 0 | - | 4.07 | 34,437 |
| Animal Adjectives | 0 | - | 4.77 | 59,983 |
| Animals - Taxonomy to Common Name | 0 | - | 4.80 | 28,259 |
| Animals: No Vowels #1 | 0 | - | 4.56 | 64,031 |
| Bird in the Answers | 0 | - | 4.11 | 33,647 |
| Bird Knowledge #2 | 0 | - | 4.42 | 14,174 |
| Natural Features of Countries #2 | 0 | - | 4.55 | 37,499 |
| Countries Farthest From the Sea | 0 | - | 4.98 | 74,654 |
| African Great Lakes | 0 | - | 4.82 | 66,133 |
| Five Countries with the Longest Coastline by Continent | 0 | - | 4.97 | 115,424 |
| American Countries With No Atlantic Coastline | 0 | - | 4.94 | 92,396 |
| Art Works Picture Quiz #1 | 0 | - | 4.51 | 119,049 |
| Art Works Picture Quiz #2 | 0 | - | 4.49 | 105,246 |
| Musical Instruments by Picture #1 | 0 | - | 4.52 | 268,834 |
| Art Works Picture Quiz #3 | 0 | - | 4.45 | 48,727 |
| Name that Object #2 | 0 | - | 3.64 | 15,440 |
| Authors by Picture | 0 | - | 4.48 | 25,527 |
| Name that Object #3 | 0 | - | 3.93 | 14,394 |
| Fruit and Vegetable Emojis | 0 | - | 4.44 | 88,160 |
| WWII Figures by Picture | 0 | - | 4.89 | 65,338 |
| College Sports Logos Quiz #3 | 0 | - | 4.30 | 55,701 |
