| Pick a Picture - Animal Relations | 0 | - | 4.94 | 55,239 |
| Animals by Close-up Image | 0 | - | 4.42 | 217,542 |
| Aquatic Mammals by Picture | 0 | - | 4.41 | 45,511 |
| Extinct Animals by Picture | 0 | - | 4.49 | 35,139 |
| Mammals by Picture #1 | 0 | - | 4.70 | 91,595 |
| Fish by Picture #1 | 0 | - | 4.41 | 108,410 |
| Birds by Picture #1 | 0 | - | 4.47 | 41,492 |
| Animals A-Z by Picture | 0 | - | 4.08 | 66,294 |
| Mammals by Picture #3 | 0 | - | 4.39 | 62,023 |
| Mammals by Picture #4 | 0 | - | 4.03 | 34,063 |
| Mammals by Picture #2 | 0 | - | 4.28 | 58,131 |
| Birds by Picture #2 | 0 | - | 4.33 | 36,250 |
| Birds by Picture #3 | 0 | - | 4.24 | 33,077 |
| Animals by Skeleton Image | 0 | - | 4.80 | 46,319 |
| Sea Creatures by Picture | 0 | - | 4.27 | 17,672 |
| Countries with Wild Tigers | 0 | - | 4.96 | 136,183 |
| Countries with Wild Penguins | 0 | - | 4.94 | 99,769 |
| Countries with the Most Venomous Animal Species | 0 | - | 4.87 | 86,815 |
| Fish by Picture #2 | 0 | - | 4.06 | 18,513 |
| Countries With The Most Bird Species | 0 | - | 4.93 | 32,724 |
| Countries with the Most Sheep | 0 | - | 4.92 | 102,853 |
| Build-a-Bird by Guessing Countries | 0 | - | 4.99 | 62,854 |
| Countries With Two or More Bear Species | 0 | - | 4.90 | 22,633 |
| Countries with the Most Wolves | 0 | - | 4.92 | 107,613 |
| Countries that Catch the Most Fish | 0 | - | 4.90 | 111,983 |
| Animals that Appear on a Coat of Arms | 0 | - | 4.49 | 24,801 |
| Countries with the Most Wild Elephants | 0 | - | 4.63 | 54,826 |
| Animal Populations of Countries | 0 | - | 4.52 | 43,784 |
| Top 15 Countries with the Most Cows | 0 | - | 4.64 | 92,895 |
| Name that Bug | 0 | - | 4.12 | 45,526 |
| Australian Animals By Picture | 0 | - | 4.45 | 31,555 |
| Former Countries by Territory Map | 0 | - | 4.96 | 102,457 |
| Empires by Maps | 0 | - | 4.98 | 119,846 |
| Merged Company Logos #1 | 0 | - | 4.90 | 106,193 |
| Animals of Australia | 0 | - | 4.52 | 42,277 |
| Countries with More Cows than People | 0 | - | 4.45 | 61,160 |
| North American Bird-Named Teams | 0 | - | 4.44 | 67,791 |
| Countries with NO Snakes | 0 | - | 4.51 | 63,560 |
| Islands by Shape #2 | 0 | - | 4.88 | 59,174 |
| Reptile Picture Quiz | 0 | - | 4.32 | 14,282 |
| Visual Memory Test - Random Cartoons | 0 | - | 4.98 | 103,807 |
| Play-Doh People from History | 0 | - | 4.99 | 94,534 |
| Famous Landmarks Out Of Focus #1 | 0 | - | 4.89 | 60,809 |
| Jeppy in Disguise #1 | 0 | - | 4.92 | 49,175 |
| Jeppy in Disguise #2 | 0 | - | 4.96 | 49,352 |
| Dog Breed Picture Quiz | 0 | - | 4.34 | 205,973 |
| Circular Cutouts from a World Map | 0 | - | 4.98 | 61,398 |
| All Country Flags of the World | 0 | - | 5.00 | 3,643,861 |
| "Big Five" African Game Animals | 0 | - | 4.22 | 47,333 |
| Countries with Wild Lions | 0 | - | 4.77 | 26,218 |
| Top 10 Countries with the Most Horses | 0 | - | 4.49 | 68,902 |
| Where Do Musk Oxen Live? | 0 | - | 4.63 | 15,295 |
| Country Flags Quiz #1 | 0 | - | 4.98 | 2,533,766 |
| Country Flags Quiz #2 | 0 | - | 4.98 | 1,091,182 |
| Country Flags Quiz #3 | 0 | - | 4.97 | 732,267 |
| Asian Countries with NO Wolves | 0 | - | 4.60 | 18,770 |
| Top Countries for Shark Attacks | 0 | - | 4.46 | 45,780 |
| Make a Stained Glass Window | 0 | - | 5.00 | 68,313 |
| Flags with Crescents | 0 | - | 4.98 | 168,922 |
| Country Flag Trivia | 0 | - | 4.81 | 56,692 |
| Country Flags with Eagles - Picture Quiz | 0 | - | 4.98 | 103,315 |
| Country Flags with the Union Jack | 0 | - | 4.87 | 77,166 |
| Pixelated Flag Quiz | 0 | - | 4.97 | 86,934 |
| Flag Emblems Scavenger Hunt | 0 | - | 5.00 | 67,043 |
| Flags by Horizontal Stripes #1 | 0 | - | 4.84 | 84,955 |
| Badly Drawn Flags #1 | 0 | - | 4.99 | 60,329 |
| Country Flags with the Sun - Picture Quiz | 0 | - | 4.83 | 52,555 |
| Real vs. Fake Flags | 0 | - | 4.98 | 123,679 |
| National Football Team Logos | 0 | - | 4.85 | 179,869 |
| National Animals | 0 | - | 4.24 | 89,578 |
| Largest Land Animals of Africa | 0 | - | 4.36 | 12,737 |
| Years in History by Picture | 0 | - | 4.44 | 35,410 |
| Where Are These Doors? | 0 | - | 4.45 | 29,895 |
| Famous Foreheads #1 | 0 | - | 4.47 | 74,704 |
| Flags to Languages | 0 | - | 4.95 | 173,304 |
| Bodies of Water by Satellite Image #1 | 0 | - | 4.20 | 71,734 |
| Merged Company Logos #2 | 0 | - | 4.75 | 77,309 |
| Similar Country Flags - Multiple Choice Quiz | 0 | - | 4.94 | 50,361 |
| Animals by Range on a World Map | 0 | - | 4.96 | 25,447 |
| Three Real and One Fake - Country Flags | 0 | - | 4.97 | 83,822 |
| Fruits by Picture | 0 | - | 4.19 | 806,463 |
| Old Movies by Picture | 0 | - | 4.51 | 25,034 |
| Musical Instruments by Picture #2 | 0 | - | 4.24 | 46,919 |
| Name that Historical Figure #1 | 0 | - | 4.63 | 336,932 |
| Geography by Picture - B | 0 | - | 4.42 | 55,548 |
| Geography by Picture - H | 0 | - | 4.50 | 58,170 |
| Geography by Picture - N | 0 | - | 4.45 | 42,158 |
| Geography by Picture - R | 0 | - | 4.56 | 40,974 |
| Geography by Picture - T | 0 | - | 4.54 | 57,789 |
| Name the Pixelated Landmark | 0 | - | 4.84 | 62,841 |
| Car Logos Quiz #1 | 0 | - | 4.44 | 537,044 |
| Random Logos Quiz | 0 | - | 4.31 | 208,043 |
| All North American Pro Sports Logos | 0 | - | 4.70 | 114,602 |
| Pictures by Letter - A | 0 | - | 4.17 | 33,333 |
| Pictures by Letter - J | 0 | - | 4.31 | 39,952 |
| Pictures by Letter - B | 0 | - | 4.31 | 43,871 |
| Pictures by Letter - D | 0 | - | 4.13 | 37,517 |
| Pictures by Letter - M | 0 | - | 4.24 | 37,726 |
| Largest Land Animals of Asia | 0 | - | 3.64 | 8,290 |
| Animals in World History | 0 | - | 4.74 | 44,414 |
| Capital Cities by Body of Water | 0 | - | 4.85 | 57,572 |
| Islands by Shape #1 | 0 | - | 4.32 | 84,293 |
| 1970s Celebrities by Picture #1 | 0 | - | 4.20 | 57,847 |
| 1970s Celebrities by Picture #2 | 0 | - | 4.21 | 50,590 |
| Elements by Picture | 0 | - | 4.27 | 69,805 |
| Rocks and Minerals Picture Quiz | 0 | - | 4.48 | 29,266 |
| Islands by Picture | 0 | - | 4.29 | 106,638 |
| Name that Object #1 | 0 | - | 3.57 | 96,455 |
| Classic Movies by Movie Posters | 0 | - | 4.45 | 24,207 |
| WWII Figures by Picture | 0 | - | 4.89 | 64,995 |
| 1980s Movie Silhouettes | 0 | - | 4.97 | 103,457 |
| Famous Landmarks Out Of Focus #2 | 0 | - | 4.37 | 41,095 |
| 1940s Celebrities by Picture | 0 | - | 4.43 | 47,933 |
| International Footballers by Picture | 0 | - | 4.50 | 55,336 |
| Name that Historical Figure #2 | 0 | - | 4.41 | 284,022 |
| Name that Historical Figure #5 | 0 | - | 4.43 | 107,371 |
| Name that Historical Figure #7 - U.S. Edition | 0 | - | 4.50 | 50,668 |
| Geography by Picture - A | 0 | - | 4.39 | 60,185 |
| Geography by Picture - D | 0 | - | 4.15 | 45,601 |
| Geography by Picture - F | 0 | - | 4.31 | 50,935 |
| Geography by Picture - G | 0 | - | 4.38 | 47,904 |
| Geography by Picture - J | 0 | - | 4.16 | 38,422 |
| Geography by Picture - K | 0 | - | 4.29 | 33,086 |
| Geography by Picture - C | 0 | - | 4.31 | 57,024 |
| Geography by Picture - L | 0 | - | 4.37 | 58,892 |
| Geography by Picture - M | 0 | - | 4.14 | 40,413 |
| Geography by Picture - P | 0 | - | 4.24 | 42,391 |
| Geography by Picture - S | 0 | - | 4.38 | 47,002 |
| Miscellaneous Flags Quiz | 0 | - | 4.42 | 279,823 |
| Country Flags Multiple Choice | 0 | - | 4.97 | 144,223 |
| Flag Maths | 0 | - | 4.64 | 57,738 |
| Satellite Images #1 | 0 | - | 4.46 | 129,265 |
| Satellite Images Quiz #2 | 0 | - | 4.63 | 109,220 |
| Satellite Images Quiz #4 | 0 | - | 4.55 | 88,837 |
| Bodies of Water by Satellite Image #2 | 0 | - | 4.36 | 19,663 |
| Satellite Images Quiz #5 | 0 | - | 4.52 | 49,838 |
| Satellite Images Quiz #6 | 0 | - | 4.50 | 38,920 |
| Cities by Picture #1 | 0 | - | 4.73 | 85,791 |
| Soccer Team Logos | 0 | - | 4.26 | 373,411 |
| Brand Logos Quiz #1 | 0 | - | 4.82 | 2,416,332 |
| Ultimate Car Logos Quiz | 0 | - | 4.80 | 179,111 |
| Car Logos Quiz #2 | 0 | - | 4.43 | 261,145 |
| Video Game Logos Quiz | 0 | - | 4.40 | 183,593 |
| Movie Logos | 0 | - | 4.33 | 237,695 |
| Brand Logos That Start With M | 0 | - | 4.45 | 62,472 |
| Brand Logos That Start with A | 0 | - | 4.52 | 70,004 |
| History by Picture - A | 0 | - | 4.25 | 45,718 |
| History by Picture - B | 0 | - | 4.40 | 48,866 |
| History by Picture - C | 0 | - | 4.36 | 54,391 |
| History by Picture - F | 0 | - | 4.35 | 37,818 |
| History by Picture - G | 0 | - | 4.40 | 42,078 |
| History by Picture - D | 0 | - | 4.29 | 44,249 |
| History by Picture - E | 0 | - | 4.27 | 43,856 |
| History by Picture - H | 0 | - | 4.37 | 36,735 |
| History by Picture - K | 0 | - | 4.35 | 33,308 |
| History by Picture - M | 0 | - | 4.17 | 36,098 |
| History by Picture - N | 0 | - | 4.40 | 41,194 |
| History by Picture - O | 0 | - | 4.39 | 36,256 |
| History by Picture - T | 0 | - | 4.20 | 33,265 |
| Name that Nut, Seed, or Bean | 0 | - | 4.63 | 57,145 |
| Baby, Male and Female Animals | 0 | - | 4.43 | 150,187 |
| Animal Adjectives | 0 | - | 4.77 | 59,951 |
| North American Cat-Named Sports Teams | 0 | - | 4.43 | 33,642 |
| African Great Lakes | 0 | - | 4.82 | 65,969 |
| 100 Longest Rivers in Europe - with a Map | 0 | - | 4.94 | 65,299 |
| Nile River Basin Countries on a Map | 0 | - | 4.95 | 50,552 |
| Countries That Touch the Adriatic Sea | 0 | - | 4.96 | 71,015 |
| Top 10 European Countries by Coastline | 0 | - | 4.87 | 138,253 |
| Top 10 American Countries by Coastline | 0 | - | 4.96 | 88,308 |
| Top 10 Asian Countries by Coastline | 0 | - | 4.92 | 96,367 |
| Art Works Picture Quiz #1 | 0 | - | 4.51 | 118,897 |
| Art Works Picture Quiz #2 | 0 | - | 4.49 | 105,112 |
| Musical Instruments by Picture #1 | 0 | - | 4.52 | 268,630 |
| Flowers by Picture | 0 | - | 4.46 | 105,554 |
| Art Works Picture Quiz #3 | 0 | - | 4.45 | 48,673 |
| Name that Object #2 | 0 | - | 3.64 | 15,421 |
| Authors by Picture | 0 | - | 4.48 | 25,502 |
| Name that Object #3 | 0 | - | 3.93 | 14,376 |
| Fruit and Vegetable Emojis | 0 | - | 4.42 | 80,039 |
| College Sports Logos Quiz #3 | 0 | - | 4.30 | 55,579 |
| Planets By Picture Quiz | 0 | - | 4.49 | 56,607 |
| Songs by Picture Quiz #1 | 0 | - | 4.68 | 65,792 |
| Songs by Picture Quiz #2 | 0 | - | 4.42 | 58,744 |
| Oscar Nominated Actors by Picture #1 | 0 | - | 4.42 | 165,032 |
| 1960s Celebrities by Picture #1 | 0 | - | 4.27 | 70,289 |
| 1960s Celebrities by Picture #2 | 0 | - | 4.26 | 51,326 |
| 1950s Celebrities by Picture #1 | 0 | - | 4.24 | 51,097 |
| 1980s Celebrities by Picture #2 | 0 | - | 4.19 | 71,560 |
| 1990s Celebrities by Picture #1 | 0 | - | 4.13 | 79,267 |
| 1990s Celebrities by Picture #2 | 0 | - | 4.16 | 72,240 |
| 2000s Celebrities by Picture #2 | 0 | - | 4.15 | 95,072 |
| 1950s Celebrities by Picture #2 | 0 | - | 4.29 | 46,081 |
| Name that Historical Figure #3 | 0 | - | 4.36 | 238,924 |
| Name that Historical Figure #4 | 0 | - | 4.29 | 158,825 |
| Name that Historical Figure #6 | 0 | - | 4.26 | 93,076 |
| Musicians by Picture #1 | 0 | - | 4.39 | 108,299 |
| Musicians by Picture #2 | 0 | - | 4.29 | 76,101 |
| Musicians by Picture #4 | 0 | - | 4.07 | 64,660 |
| Musicians by Picture #3 | 0 | - | 4.10 | 58,798 |
| Emoji Flags | 0 | - | 4.35 | 43,991 |
