| Pick a Picture - Animal Relations | 0 | - | 4.94 | 55,264 |
| Countries With Two or More Bear Species | 0 | - | 4.90 | 22,639 |
| Name that Bug | 0 | - | 4.12 | 45,533 |
| Animals by Skeleton Image | 0 | - | 4.80 | 46,345 |
| Animals by Close-up Image | 0 | - | 4.42 | 217,571 |
| Aquatic Mammals by Picture | 0 | - | 4.41 | 45,521 |
| Extinct Animals by Picture | 0 | - | 4.49 | 35,149 |
| Mammals by Picture #1 | 0 | - | 4.70 | 91,628 |
| Countries with Wild Tigers | 0 | - | 4.96 | 136,213 |
| Countries with Wild Penguins | 0 | - | 4.94 | 99,785 |
| Countries with the Most Venomous Animal Species | 0 | - | 4.87 | 86,830 |
| Fish by Picture #1 | 0 | - | 4.41 | 108,428 |
| Animals A-Z by Picture | 0 | - | 4.08 | 66,312 |
| Mammals by Picture #3 | 0 | - | 4.39 | 62,039 |
| Mammals by Picture #4 | 0 | - | 4.03 | 34,076 |
| Mammals by Picture #2 | 0 | - | 4.28 | 58,149 |
| Animals by Range on a World Map | 0 | - | 4.96 | 25,458 |
| Countries with the Most Sheep | 0 | - | 4.92 | 102,869 |
| Reptile Picture Quiz | 0 | - | 4.32 | 14,284 |
| Countries with the Most Wolves | 0 | - | 4.92 | 107,638 |
| Animals in World History | 0 | - | 4.74 | 44,425 |
| Countries that Catch the Most Fish | 0 | - | 4.90 | 112,002 |
| Sea Creatures by Picture | 0 | - | 4.27 | 17,680 |
| Countries with the Most Wild Elephants | 0 | - | 4.63 | 54,838 |
| Animal Populations of Countries | 0 | - | 4.52 | 43,789 |
| North American Cat-Named Sports Teams | 0 | - | 4.43 | 33,648 |
| Top 15 Countries with the Most Cows | 0 | - | 4.64 | 92,902 |
| Former Countries by Territory Map | 0 | - | 4.96 | 102,504 |
| Empires by Maps | 0 | - | 4.98 | 119,904 |
| Fish by Picture #2 | 0 | - | 4.06 | 18,520 |
| Merged Company Logos #1 | 0 | - | 4.90 | 106,226 |
| Flowers by Picture | 0 | - | 4.46 | 105,572 |
| Birds by Picture #1 | 0 | - | 4.47 | 41,510 |
| Countries with More Cows than People | 0 | - | 4.45 | 61,188 |
| North American Bird-Named Teams | 0 | - | 4.44 | 67,801 |
| Countries with NO Snakes | 0 | - | 4.51 | 63,562 |
| All Country Flags of the World | 0 | - | 5.00 | 3,646,633 |
| "Big Five" African Game Animals | 0 | - | 4.22 | 47,340 |
| Countries with Wild Lions | 0 | - | 4.77 | 26,238 |
| Where Do Musk Oxen Live? | 0 | - | 4.63 | 15,297 |
| Islands by Shape #2 | 0 | - | 4.88 | 59,183 |
| Visual Memory Test - Random Cartoons | 0 | - | 4.98 | 103,922 |
| Play-Doh People from History | 0 | - | 4.99 | 94,563 |
| Famous Landmarks Out Of Focus #1 | 0 | - | 4.89 | 60,845 |
| Jeppy in Disguise #1 | 0 | - | 4.92 | 49,191 |
| Jeppy in Disguise #2 | 0 | - | 4.96 | 49,371 |
| Circular Cutouts from a World Map | 0 | - | 4.98 | 61,419 |
| Country Flags Quiz #1 | 0 | - | 4.98 | 2,534,187 |
| Country Flags Quiz #2 | 0 | - | 4.98 | 1,091,390 |
| Country Flags Quiz #3 | 0 | - | 4.97 | 732,427 |
| Name the Cat Flags | 0 | - | 5.00 | 40,262 |
| Extinct Animals | 0 | - | 4.21 | 27,480 |
| Earliest Domestication of Animals | 0 | - | 4.34 | 28,244 |
| Animals in the News | 0 | - | 4.37 | 26,777 |
| Top 10 Countries with the Most Horses | 0 | - | 4.49 | 68,915 |
| Megadiverse Countries | 0 | - | 4.96 | 134,741 |
| Make a Stained Glass Window | 0 | - | 5.00 | 68,334 |
| Birds by Picture #2 | 0 | - | 4.33 | 36,266 |
| Birds by Picture #3 | 0 | - | 4.24 | 33,096 |
| Flags with Crescents | 0 | - | 4.98 | 168,995 |
| Country Flag Trivia | 0 | - | 4.81 | 56,742 |
| Country Flags with Eagles - Picture Quiz | 0 | - | 4.98 | 103,371 |
| Country Flags with the Union Jack | 0 | - | 4.87 | 77,209 |
| Pixelated Flag Quiz | 0 | - | 4.97 | 86,989 |
| Flag Emblems Scavenger Hunt | 0 | - | 5.00 | 67,075 |
| Flags by Horizontal Stripes #1 | 0 | - | 4.84 | 84,982 |
| Badly Drawn Flags #1 | 0 | - | 4.99 | 60,350 |
| Country Flags with the Sun - Picture Quiz | 0 | - | 4.83 | 52,591 |
| Real vs. Fake Flags | 0 | - | 4.98 | 123,754 |
| National Football Team Logos | 0 | - | 4.85 | 179,908 |
| Asian Countries with NO Wolves | 0 | - | 4.60 | 18,780 |
| Largest Land Animals of the Americas | 0 | - | 4.39 | 20,246 |
| Largest Land Animals of Africa | 0 | - | 4.36 | 12,739 |
| Old World... or New World? | 0 | - | 4.66 | 21,301 |
| Top Countries for Shark Attacks | 0 | - | 4.46 | 45,788 |
| Natural Features of Countries #1 | 0 | - | 4.87 | 83,746 |
| Countries with Fjords | 0 | - | 4.94 | 100,754 |
| Years in History by Picture | 0 | - | 4.44 | 35,428 |
| Where Are These Doors? | 0 | - | 4.45 | 29,912 |
| Famous Foreheads #1 | 0 | - | 4.47 | 74,730 |
| Animals that Appear on a Coat of Arms | 0 | - | 4.49 | 24,803 |
| Merged Company Logos #2 | 0 | - | 4.75 | 77,333 |
| Australian Animals By Picture | 0 | - | 4.45 | 31,561 |
| Flags to Languages | 0 | - | 4.95 | 173,344 |
| Similar Country Flags - Multiple Choice Quiz | 0 | - | 4.94 | 50,377 |
| Countries With The Most Bird Species | 0 | - | 4.93 | 32,736 |
| Build-a-Bird by Guessing Countries | 0 | - | 4.99 | 62,878 |
| Terrestrial Biomes - Map Quiz | 0 | - | 4.99 | 20,850 |
| Three Real and One Fake - Country Flags | 0 | - | 4.97 | 83,850 |
| Fruits by Picture | 0 | - | 4.19 | 806,589 |
| Old Movies by Picture | 0 | - | 4.51 | 25,046 |
| Musical Instruments by Picture #2 | 0 | - | 4.24 | 46,933 |
| Name that Object #1 | 0 | - | 3.57 | 96,462 |
| Name that Historical Figure #1 | 0 | - | 4.63 | 337,022 |
| Geography by Picture - B | 0 | - | 4.42 | 55,553 |
| Geography by Picture - H | 0 | - | 4.50 | 58,176 |
| Geography by Picture - N | 0 | - | 4.45 | 42,165 |
| Geography by Picture - R | 0 | - | 4.56 | 40,979 |
| Geography by Picture - T | 0 | - | 4.54 | 57,797 |
| Name the Pixelated Landmark | 0 | - | 4.84 | 62,862 |
| Car Logos Quiz #1 | 0 | - | 4.44 | 537,307 |
| Random Logos Quiz | 0 | - | 4.31 | 208,083 |
| All North American Pro Sports Logos | 0 | - | 4.70 | 114,659 |
| Pictures by Letter - A | 0 | - | 4.17 | 33,349 |
| Pictures by Letter - J | 0 | - | 4.31 | 39,970 |
| Pictures by Letter - B | 0 | - | 4.31 | 43,889 |
| Pictures by Letter - D | 0 | - | 4.13 | 37,537 |
| Pictures by Letter - M | 0 | - | 4.24 | 37,736 |
| Largest Land Animals of Asia | 0 | - | 3.64 | 8,291 |
| Capital Cities by Body of Water | 0 | - | 4.85 | 57,590 |
| Countries with the Most Lakes Over 100 Km² | 0 | - | 4.83 | 32,135 |
| Countries With No Rivers | 0 | - | 4.96 | 76,688 |
| Name a Valid Country on Each River | 0 | - | 4.96 | 61,944 |
| Rivers in History | 0 | - | 4.92 | 33,211 |
| Countries That Touch the Baltic Sea | 0 | - | 4.98 | 115,971 |
| North Sea Countries | 0 | - | 4.92 | 87,292 |
| Black Sea Countries | 0 | - | 4.87 | 60,569 |
| Countries That Touch the Red Sea | 0 | - | 4.90 | 65,301 |
| Caspian Sea Countries | 0 | - | 4.90 | 63,400 |
| Countries with the Shortest Coastlines | 0 | - | 4.89 | 67,171 |
| Islands by Shape #1 | 0 | - | 4.32 | 84,300 |
| 1970s Celebrities by Picture #1 | 0 | - | 4.20 | 57,864 |
| 1970s Celebrities by Picture #2 | 0 | - | 4.21 | 50,605 |
| Elements by Picture | 0 | - | 4.27 | 69,827 |
| Rocks and Minerals Picture Quiz | 0 | - | 4.48 | 29,276 |
| Islands by Picture | 0 | - | 4.29 | 106,690 |
| Classic Movies by Movie Posters | 0 | - | 4.45 | 24,216 |
| 1980s Movie Silhouettes | 0 | - | 4.97 | 103,507 |
| Famous Landmarks Out Of Focus #2 | 0 | - | 4.37 | 41,111 |
| Dog Breed Picture Quiz | 0 | - | 4.34 | 206,007 |
| 1940s Celebrities by Picture | 0 | - | 4.43 | 47,943 |
| International Footballers by Picture | 0 | - | 4.50 | 55,377 |
| Name that Historical Figure #2 | 0 | - | 4.42 | 284,104 |
| Name that Historical Figure #5 | 0 | - | 4.43 | 107,416 |
| Name that Historical Figure #7 - U.S. Edition | 0 | - | 4.51 | 50,694 |
| Geography by Picture - A | 0 | - | 4.39 | 60,192 |
| Geography by Picture - D | 0 | - | 4.15 | 45,606 |
| Geography by Picture - F | 0 | - | 4.31 | 50,942 |
| Geography by Picture - G | 0 | - | 4.38 | 47,907 |
| Geography by Picture - J | 0 | - | 4.16 | 38,427 |
| Geography by Picture - K | 0 | - | 4.29 | 33,091 |
| Geography by Picture - C | 0 | - | 4.31 | 57,030 |
| Geography by Picture - L | 0 | - | 4.37 | 58,897 |
| Geography by Picture - M | 0 | - | 4.14 | 40,418 |
| Geography by Picture - P | 0 | - | 4.24 | 42,394 |
| Geography by Picture - S | 0 | - | 4.38 | 47,004 |
| Miscellaneous Flags Quiz | 0 | - | 4.42 | 279,890 |
| Country Flags Multiple Choice | 0 | - | 4.97 | 144,260 |
| Flag Maths | 0 | - | 4.64 | 57,741 |
| Satellite Images #1 | 0 | - | 4.46 | 129,282 |
| Satellite Images Quiz #2 | 0 | - | 4.63 | 109,231 |
| Satellite Images Quiz #4 | 0 | - | 4.55 | 88,856 |
| Satellite Images Quiz #5 | 0 | - | 4.52 | 49,850 |
| Satellite Images Quiz #6 | 0 | - | 4.50 | 38,930 |
| Cities by Picture #1 | 0 | - | 4.73 | 85,823 |
| Soccer Team Logos | 0 | - | 4.26 | 373,531 |
| Brand Logos Quiz #1 | 0 | - | 4.82 | 2,417,167 |
| Ultimate Car Logos Quiz | 0 | - | 4.80 | 179,311 |
| Car Logos Quiz #2 | 0 | - | 4.43 | 261,247 |
| Video Game Logos Quiz | 0 | - | 4.40 | 183,631 |
| Movie Logos | 0 | - | 4.33 | 237,786 |
| Brand Logos That Start With M | 0 | - | 4.45 | 62,523 |
| Brand Logos That Start with A | 0 | - | 4.52 | 70,045 |
| History by Picture - A | 0 | - | 4.26 | 45,727 |
| History by Picture - B | 0 | - | 4.40 | 48,878 |
| History by Picture - C | 0 | - | 4.36 | 54,402 |
| History by Picture - F | 0 | - | 4.35 | 37,833 |
| History by Picture - G | 0 | - | 4.40 | 42,089 |
| History by Picture - D | 0 | - | 4.29 | 44,265 |
| History by Picture - E | 0 | - | 4.27 | 43,872 |
| History by Picture - H | 0 | - | 4.37 | 36,748 |
| History by Picture - K | 0 | - | 4.35 | 33,319 |
| History by Picture - M | 0 | - | 4.17 | 36,111 |
| History by Picture - N | 0 | - | 4.40 | 41,212 |
| History by Picture - O | 0 | - | 4.39 | 36,269 |
| History by Picture - T | 0 | - | 4.20 | 33,277 |
| Name that Nut, Seed, or Bean | 0 | - | 4.63 | 57,164 |
| Baby, Male and Female Animals | 0 | - | 4.43 | 150,217 |
| Words Containing Animals #1 | 0 | - | 4.21 | 43,489 |
| Words Containing Animals #2 | 0 | - | 4.07 | 34,427 |
| Animal Adjectives | 0 | - | 4.77 | 59,961 |
| Animals - Taxonomy to Common Name | 0 | - | 4.80 | 28,233 |
| Animals: No Vowels #1 | 0 | - | 4.56 | 63,951 |
| Bird in the Answers | 0 | - | 4.11 | 33,538 |
| Bird Knowledge #2 | 0 | - | 4.42 | 14,158 |
| Natural Features of Countries #2 | 0 | - | 4.55 | 37,477 |
| Countries Farthest From the Sea | 0 | - | 4.98 | 74,614 |
| African Great Lakes | 0 | - | 4.82 | 66,003 |
| Five Countries with the Longest Coastline by Continent | 0 | - | 4.97 | 115,332 |
| American Countries With No Atlantic Coastline | 0 | - | 4.94 | 92,317 |
| Art Works Picture Quiz #1 | 0 | - | 4.51 | 118,927 |
| Art Works Picture Quiz #2 | 0 | - | 4.49 | 105,138 |
| Musical Instruments by Picture #1 | 0 | - | 4.52 | 268,669 |
| Art Works Picture Quiz #3 | 0 | - | 4.45 | 48,689 |
| Name that Object #2 | 0 | - | 3.64 | 15,427 |
| Authors by Picture | 0 | - | 4.48 | 25,510 |
| Name that Object #3 | 0 | - | 3.93 | 14,382 |
| Fruit and Vegetable Emojis | 0 | - | 4.42 | 80,068 |
| WWII Figures by Picture | 0 | - | 4.89 | 65,066 |
| College Sports Logos Quiz #3 | 0 | - | 4.30 | 55,602 |
