| Pick a Picture - Animal Relations | 0 | - | 4.94 | 55,648 |
| Animals by Skeleton Image | 0 | - | 4.81 | 46,723 |
| Animals by Close-up Image | 0 | - | 4.42 | 218,682 |
| Aquatic Mammals by Picture | 0 | - | 4.41 | 45,834 |
| Extinct Animals by Picture | 0 | - | 4.49 | 35,370 |
| Mammals by Picture #1 | 0 | - | 4.70 | 92,105 |
| Fish by Picture #1 | 0 | - | 4.41 | 108,682 |
| Birds by Picture #1 | 0 | - | 4.47 | 41,867 |
| Animals A-Z by Picture | 0 | - | 4.08 | 66,665 |
| Mammals by Picture #3 | 0 | - | 4.39 | 62,325 |
| Mammals by Picture #4 | 0 | - | 4.03 | 34,221 |
| Mammals by Picture #2 | 0 | - | 4.28 | 58,389 |
| Birds by Picture #2 | 0 | - | 4.33 | 36,554 |
| Birds by Picture #3 | 0 | - | 4.24 | 33,351 |
| Sea Creatures by Picture | 0 | - | 4.27 | 17,760 |
| Countries with Wild Tigers | 0 | - | 4.96 | 137,031 |
| Countries with Wild Penguins | 0 | - | 4.94 | 100,349 |
| Countries with the Most Venomous Animal Species | 0 | - | 4.87 | 87,352 |
| Countries with NO Snakes | 0 | - | 4.51 | 63,628 |
| Fish by Picture #2 | 0 | - | 4.09 | 18,628 |
| Countries With The Most Bird Species | 0 | - | 4.93 | 33,069 |
| Countries with the Most Sheep | 0 | - | 4.92 | 103,439 |
| Build-a-Bird by Guessing Countries | 0 | - | 4.99 | 63,441 |
| Australian Animals By Picture | 0 | - | 4.45 | 31,695 |
| Countries With Two or More Bear Species | 0 | - | 4.90 | 22,812 |
| Countries with the Most Wolves | 0 | - | 4.92 | 108,346 |
| Countries that Catch the Most Fish | 0 | - | 4.90 | 112,726 |
| Animals that Appear on a Coat of Arms | 0 | - | 4.50 | 24,853 |
| Countries with the Most Wild Elephants | 0 | - | 4.63 | 55,065 |
| Animal Populations of Countries | 0 | - | 4.52 | 43,960 |
| Top 15 Countries with the Most Cows | 0 | - | 4.73 | 107,370 |
| Name that Bug | 0 | - | 4.12 | 45,598 |
| Former Countries by Territory Map | 0 | - | 4.96 | 103,268 |
| Empires by Maps | 0 | - | 4.98 | 121,159 |
| Merged Company Logos #1 | 0 | - | 4.90 | 106,891 |
| Animals of Australia | 0 | - | 4.52 | 42,396 |
| Countries with More Cows than People | 0 | - | 4.46 | 61,497 |
| North American Bird-Named Teams | 0 | - | 4.44 | 67,944 |
| Islands by Shape #2 | 0 | - | 4.88 | 59,385 |
| Reptile Picture Quiz | 0 | - | 4.32 | 14,333 |
| Visual Memory Test - Random Cartoons | 0 | - | 4.98 | 104,847 |
| Play-Doh People from History | 0 | - | 4.99 | 95,161 |
| Famous Landmarks Out Of Focus #1 | 0 | - | 4.89 | 61,315 |
| Jeppy in Disguise #1 | 0 | - | 4.92 | 49,714 |
| Jeppy in Disguise #2 | 0 | - | 4.96 | 49,804 |
| Dog Breed Picture Quiz | 0 | - | 4.34 | 206,417 |
| Circular Cutouts from a World Map | 0 | - | 4.98 | 61,824 |
| All Country Flags of the World | 0 | - | 5.00 | 3,687,697 |
| Name the Cat Flags | 0 | - | 5.00 | 40,440 |
| "Big Five" African Game Animals | 0 | - | 4.22 | 47,436 |
| Countries with Wild Lions | 0 | - | 4.77 | 26,449 |
| Top 10 Countries with the Most Horses | 0 | - | 4.49 | 69,140 |
| Where Do Musk Oxen Live? | 0 | - | 4.63 | 15,330 |
| Country Flags Quiz #1 | 0 | - | 4.98 | 2,541,410 |
| Country Flags Quiz #2 | 0 | - | 4.99 | 1,094,928 |
| Country Flags Quiz #3 | 0 | - | 4.97 | 734,830 |
| Asian Countries with NO Wolves | 0 | - | 4.60 | 18,919 |
| Top Countries for Shark Attacks | 0 | - | 4.47 | 45,878 |
| Make a Stained Glass Window | 0 | - | 5.00 | 68,779 |
| Flags with Crescents | 0 | - | 4.98 | 170,525 |
| Country Flag Trivia | 0 | - | 4.81 | 57,526 |
| Country Flags with Eagles - Picture Quiz | 0 | - | 4.98 | 104,308 |
| Country Flags with the Union Jack | 0 | - | 4.87 | 77,936 |
| Pixelated Flag Quiz | 0 | - | 4.97 | 87,962 |
| Flag Emblems Scavenger Hunt | 0 | - | 5.00 | 67,577 |
| Flags by Horizontal Stripes #1 | 0 | - | 4.84 | 85,595 |
| Badly Drawn Flags #1 | 0 | - | 4.99 | 60,757 |
| Country Flags with the Sun - Picture Quiz | 0 | - | 4.83 | 53,152 |
| Real vs. Fake Flags | 0 | - | 4.98 | 124,997 |
| Ultimate Car Logos Quiz | 0 | - | 4.81 | 182,283 |
| National Football Team Logos | 0 | - | 4.85 | 181,034 |
| National Animals | 0 | - | 4.24 | 89,806 |
| Largest Land Animals of Africa | 0 | - | 4.36 | 12,785 |
| Years in History by Picture | 0 | - | 4.44 | 35,652 |
| Where Are These Doors? | 0 | - | 4.45 | 30,107 |
| Famous Foreheads #1 | 0 | - | 4.47 | 75,154 |
| Flags to Languages | 0 | - | 4.95 | 174,046 |
| Bodies of Water by Satellite Image #1 | 0 | - | 4.19 | 72,233 |
| Merged Company Logos #2 | 0 | - | 4.75 | 77,846 |
| Similar Country Flags - Multiple Choice Quiz | 0 | - | 4.94 | 50,775 |
| Animals by Range on a World Map | 0 | - | 4.96 | 25,671 |
| Three Real and One Fake - Country Flags | 0 | - | 4.97 | 84,421 |
| Fruits by Picture | 0 | - | 4.19 | 808,266 |
| Old Movies by Picture | 0 | - | 4.51 | 25,162 |
| Musical Instruments by Picture #2 | 0 | - | 4.24 | 47,176 |
| Name that Historical Figure #1 | 0 | - | 4.63 | 338,388 |
| Geography by Picture - B | 0 | - | 4.42 | 55,697 |
| Geography by Picture - H | 0 | - | 4.50 | 58,301 |
| Geography by Picture - N | 0 | - | 4.45 | 42,271 |
| Geography by Picture - R | 0 | - | 4.56 | 41,085 |
| Geography by Picture - T | 0 | - | 4.54 | 57,919 |
| Name the Pixelated Landmark | 0 | - | 4.85 | 63,231 |
| Car Logos Quiz #1 | 0 | - | 4.52 | 541,639 |
| Random Logos Quiz | 0 | - | 4.33 | 208,921 |
| All North American Pro Sports Logos | 0 | - | 4.70 | 115,743 |
| Pictures by Letter - A | 0 | - | 4.18 | 33,533 |
| Pictures by Letter - J | 0 | - | 4.31 | 40,159 |
| Pictures by Letter - B | 0 | - | 4.32 | 44,115 |
| Pictures by Letter - D | 0 | - | 4.14 | 37,705 |
| Pictures by Letter - M | 0 | - | 4.24 | 37,902 |
| Largest Land Animals of Asia | 0 | - | 3.64 | 8,317 |
| Animals in World History | 0 | - | 4.74 | 44,607 |
| Capital Cities by Body of Water | 0 | - | 4.85 | 57,764 |
| Islands by Shape #1 | 0 | - | 4.33 | 84,437 |
| 1970s Celebrities by Picture #1 | 0 | - | 4.20 | 58,091 |
| 1970s Celebrities by Picture #2 | 0 | - | 4.21 | 50,805 |
| Elements by Picture | 0 | - | 4.27 | 70,128 |
| Rocks and Minerals Picture Quiz | 0 | - | 4.48 | 29,400 |
| Islands by Picture | 0 | - | 4.28 | 107,368 |
| Name that Object #1 | 0 | - | 3.57 | 96,549 |
| Classic Movies by Movie Posters | 0 | - | 4.45 | 24,366 |
| WWII Figures by Picture | 0 | - | 4.89 | 65,899 |
| 1980s Movie Silhouettes | 0 | - | 4.97 | 104,240 |
| Famous Landmarks Out Of Focus #2 | 0 | - | 4.37 | 41,399 |
| 1940s Celebrities by Picture | 0 | - | 4.43 | 48,117 |
| International Footballers by Picture | 0 | - | 4.51 | 56,013 |
| Name that Historical Figure #2 | 0 | - | 4.42 | 285,275 |
| Name that Historical Figure #5 | 0 | - | 4.43 | 108,118 |
| Name that Historical Figure #7 - U.S. Edition | 0 | - | 4.51 | 51,005 |
| Geography by Picture - A | 0 | - | 4.39 | 60,343 |
| Geography by Picture - D | 0 | - | 4.15 | 45,723 |
| Geography by Picture - F | 0 | - | 4.31 | 51,093 |
| Geography by Picture - G | 0 | - | 4.39 | 48,021 |
| Geography by Picture - J | 0 | - | 4.16 | 38,529 |
| Geography by Picture - K | 0 | - | 4.29 | 33,188 |
| Geography by Picture - C | 0 | - | 4.31 | 57,151 |
| Geography by Picture - L | 0 | - | 4.37 | 59,066 |
| Geography by Picture - M | 0 | - | 4.14 | 40,522 |
| Geography by Picture - P | 0 | - | 4.24 | 42,503 |
| Geography by Picture - S | 0 | - | 4.38 | 47,112 |
| Miscellaneous Flags Quiz | 0 | - | 4.42 | 281,233 |
| Country Flags Multiple Choice | 0 | - | 4.97 | 144,967 |
| Flag Maths | 0 | - | 4.64 | 57,802 |
| Satellite Images #1 | 0 | - | 4.47 | 129,522 |
| Satellite Images Quiz #2 | 0 | - | 4.63 | 109,436 |
| Satellite Images Quiz #4 | 0 | - | 4.55 | 89,020 |
| Bodies of Water by Satellite Image #2 | 0 | - | 4.36 | 19,749 |
| Satellite Images Quiz #5 | 0 | - | 4.52 | 50,043 |
| Satellite Images Quiz #6 | 0 | - | 4.50 | 39,058 |
| Cities by Picture #1 | 0 | - | 4.73 | 86,254 |
| Soccer Team Logos | 0 | - | 4.26 | 376,051 |
| Brand Logos Quiz #1 | 0 | - | 4.83 | 2,430,701 |
| Car Logos Quiz #2 | 0 | - | 4.43 | 262,928 |
| Video Game Logos Quiz | 0 | - | 4.40 | 184,499 |
| Movie Logos | 0 | - | 4.33 | 239,408 |
| Brand Logos That Start with A | 0 | - | 4.52 | 70,764 |
| History by Picture - A | 0 | - | 4.26 | 45,989 |
| History by Picture - B | 0 | - | 4.40 | 49,172 |
| History by Picture - C | 0 | - | 4.36 | 54,699 |
| History by Picture - F | 0 | - | 4.35 | 38,050 |
| History by Picture - G | 0 | - | 4.40 | 42,292 |
| History by Picture - D | 0 | - | 4.29 | 44,490 |
| History by Picture - E | 0 | - | 4.25 | 44,094 |
| History by Picture - H | 0 | - | 4.37 | 36,938 |
| History by Picture - K | 0 | - | 4.35 | 33,494 |
| History by Picture - M | 0 | - | 4.17 | 36,265 |
| History by Picture - N | 0 | - | 4.40 | 41,404 |
| History by Picture - O | 0 | - | 4.39 | 36,438 |
| History by Picture - T | 0 | - | 4.20 | 33,427 |
| Name that Nut, Seed, or Bean | 0 | - | 4.57 | 57,474 |
| Baby, Male and Female Animals | 0 | - | 4.43 | 150,781 |
| Animal Adjectives | 0 | - | 4.77 | 60,108 |
| North American Cat-Named Sports Teams | 0 | - | 4.43 | 33,752 |
| African Great Lakes | 0 | - | 4.82 | 66,642 |
| 100 Longest Rivers in Europe - with a Map | 0 | - | 4.94 | 65,695 |
| Nile River Basin Countries on a Map | 0 | - | 4.95 | 50,804 |
| Countries That Touch the Adriatic Sea | 0 | - | 4.96 | 71,232 |
| Top 10 European Countries by Coastline | 0 | - | 4.88 | 138,562 |
| Top 10 American Countries by Coastline | 0 | - | 4.96 | 88,498 |
| Top 10 Asian Countries by Coastline | 0 | - | 4.92 | 96,552 |
| Art Works Picture Quiz #1 | 0 | - | 4.51 | 119,566 |
| Art Works Picture Quiz #2 | 0 | - | 4.49 | 105,628 |
| Musical Instruments by Picture #1 | 0 | - | 4.52 | 269,373 |
| Flowers by Picture | 0 | - | 4.46 | 105,757 |
| Art Works Picture Quiz #3 | 0 | - | 4.45 | 48,869 |
| Name that Object #2 | 0 | - | 3.64 | 15,476 |
| Authors by Picture | 0 | - | 4.48 | 25,587 |
| Name that Object #3 | 0 | - | 3.93 | 14,432 |
| Fruit and Vegetable Emojis | 0 | - | 4.45 | 90,476 |
| College Sports Logos Quiz #3 | 0 | - | 4.30 | 55,988 |
| Planets By Picture Quiz | 0 | - | 4.49 | 57,104 |
| Songs by Picture Quiz #1 | 0 | - | 4.68 | 66,256 |
| Songs by Picture Quiz #2 | 0 | - | 4.42 | 59,087 |
| Oscar Nominated Actors by Picture #1 | 0 | - | 4.42 | 165,416 |
| 1960s Celebrities by Picture #1 | 0 | - | 4.27 | 70,604 |
| 1960s Celebrities by Picture #2 | 0 | - | 4.26 | 51,553 |
| 1950s Celebrities by Picture #1 | 0 | - | 4.24 | 51,277 |
| 1980s Celebrities by Picture #2 | 0 | - | 4.19 | 71,919 |
| 1990s Celebrities by Picture #1 | 0 | - | 4.14 | 79,601 |
| 1990s Celebrities by Picture #2 | 0 | - | 4.16 | 72,638 |
| 2000s Celebrities by Picture #2 | 0 | - | 4.15 | 95,840 |
| 1950s Celebrities by Picture #2 | 0 | - | 4.29 | 46,258 |
| Name that Historical Figure #3 | 0 | - | 4.36 | 240,013 |
| Name that Historical Figure #4 | 0 | - | 4.29 | 159,607 |
| Name that Historical Figure #6 | 0 | - | 4.26 | 93,690 |
| Musicians by Picture #1 | 0 | - | 4.37 | 109,450 |
| Musicians by Picture #2 | 0 | - | 4.29 | 76,943 |
| Musicians by Picture #4 | 0 | - | 4.07 | 65,289 |
| Musicians by Picture #3 | 0 | - | 4.10 | 59,292 |
| Emoji Flags | 0 | - | 4.35 | 44,186 |
