| Pick a Picture - Animal Relations | 0 | - | 4.94 | 55,566 |
| Animals by Skeleton Image | 0 | - | 4.81 | 46,650 |
| Animals by Close-up Image | 0 | - | 4.42 | 218,527 |
| Aquatic Mammals by Picture | 0 | - | 4.41 | 45,757 |
| Mammals by Picture #1 | 0 | - | 4.70 | 91,991 |
| Fish by Picture #1 | 0 | - | 4.41 | 108,632 |
| Birds by Picture #1 | 0 | - | 4.47 | 41,787 |
| Animals A-Z by Picture | 0 | - | 4.08 | 66,588 |
| Mammals by Picture #3 | 0 | - | 4.39 | 62,257 |
| Mammals by Picture #4 | 0 | - | 4.03 | 34,193 |
| Mammals by Picture #2 | 0 | - | 4.28 | 58,338 |
| Birds by Picture #2 | 0 | - | 4.33 | 36,493 |
| Birds by Picture #3 | 0 | - | 4.24 | 33,304 |
| Sea Creatures by Picture | 0 | - | 4.27 | 17,744 |
| Countries with Wild Tigers | 0 | - | 4.96 | 136,955 |
| Countries with Wild Penguins | 0 | - | 4.94 | 100,278 |
| Countries with the Most Venomous Animal Species | 0 | - | 4.87 | 87,288 |
| Fish by Picture #2 | 0 | - | 4.07 | 18,612 |
| Countries With The Most Bird Species | 0 | - | 4.93 | 33,013 |
| Countries with the Most Sheep | 0 | - | 4.92 | 103,372 |
| Build-a-Bird by Guessing Countries | 0 | - | 4.99 | 63,343 |
| Countries With Two or More Bear Species | 0 | - | 4.90 | 22,793 |
| Countries with the Most Wolves | 0 | - | 4.92 | 108,227 |
| Countries that Catch the Most Fish | 0 | - | 4.90 | 112,643 |
| Australian Animals By Picture | 0 | - | 4.45 | 31,665 |
| Animals that Appear on a Coat of Arms | 0 | - | 4.49 | 24,837 |
| Countries with the Most Wild Elephants | 0 | - | 4.63 | 55,028 |
| Animal Populations of Countries | 0 | - | 4.52 | 43,929 |
| Top 15 Countries with the Most Cows | 0 | - | 4.74 | 107,273 |
| Name that Bug | 0 | - | 4.12 | 45,585 |
| Former Countries by Territory Map | 0 | - | 4.96 | 103,073 |
| Empires by Maps | 0 | - | 4.98 | 120,913 |
| Merged Company Logos #1 | 0 | - | 4.90 | 106,755 |
| Animals of Australia | 0 | - | 4.52 | 42,362 |
| Countries with More Cows than People | 0 | - | 4.45 | 61,427 |
| North American Bird-Named Teams | 0 | - | 4.44 | 67,914 |
| Countries with NO Snakes | 0 | - | 4.51 | 63,612 |
| All Country Flags of the World | 0 | - | 5.00 | 3,677,914 |
| "Big Five" African Game Animals | 0 | - | 4.22 | 47,411 |
| Countries with Wild Lions | 0 | - | 4.77 | 26,403 |
| Where Do Musk Oxen Live? | 0 | - | 4.63 | 15,322 |
| Islands by Shape #2 | 0 | - | 4.88 | 59,337 |
| Reptile Picture Quiz | 0 | - | 4.32 | 14,316 |
| Visual Memory Test - Random Cartoons | 0 | - | 4.98 | 104,668 |
| Play-Doh People from History | 0 | - | 4.99 | 95,022 |
| Famous Landmarks Out Of Focus #1 | 0 | - | 4.89 | 61,223 |
| Jeppy in Disguise #1 | 0 | - | 4.92 | 49,545 |
| Jeppy in Disguise #2 | 0 | - | 4.96 | 49,677 |
| Dog Breed Picture Quiz | 0 | - | 4.34 | 206,331 |
| Circular Cutouts from a World Map | 0 | - | 4.98 | 61,735 |
| Country Flags Quiz #1 | 0 | - | 4.98 | 2,539,653 |
| Country Flags Quiz #2 | 0 | - | 4.98 | 1,094,101 |
| Country Flags Quiz #3 | 0 | - | 4.97 | 734,280 |
| Top 10 Countries with the Most Horses | 0 | - | 4.49 | 69,099 |
| Make a Stained Glass Window | 0 | - | 5.00 | 68,668 |
| Flags with Crescents | 0 | - | 4.98 | 170,028 |
| Country Flag Trivia | 0 | - | 4.81 | 57,293 |
| Country Flags with Eagles - Picture Quiz | 0 | - | 4.98 | 104,090 |
| Country Flags with the Union Jack | 0 | - | 4.87 | 77,763 |
| Pixelated Flag Quiz | 0 | - | 4.97 | 87,736 |
| Flag Emblems Scavenger Hunt | 0 | - | 5.00 | 67,464 |
| Flags by Horizontal Stripes #1 | 0 | - | 4.84 | 85,438 |
| Badly Drawn Flags #1 | 0 | - | 4.99 | 60,654 |
| Country Flags with the Sun - Picture Quiz | 0 | - | 4.83 | 53,025 |
| Real vs. Fake Flags | 0 | - | 4.98 | 124,652 |
| Ultimate Car Logos Quiz | 0 | - | 4.81 | 181,644 |
| National Football Team Logos | 0 | - | 4.85 | 180,770 |
| Asian Countries with NO Wolves | 0 | - | 4.60 | 18,890 |
| Largest Land Animals of Africa | 0 | - | 4.36 | 12,770 |
| Top Countries for Shark Attacks | 0 | - | 4.47 | 45,856 |
| Years in History by Picture | 0 | - | 4.44 | 35,600 |
| Where Are These Doors? | 0 | - | 4.45 | 30,065 |
| Famous Foreheads #1 | 0 | - | 4.47 | 75,070 |
| Merged Company Logos #2 | 0 | - | 4.75 | 77,740 |
| National Animals | 0 | - | 4.24 | 89,757 |
| Flags to Languages | 0 | - | 4.95 | 173,888 |
| Bodies of Water by Satellite Image #1 | 0 | - | 4.20 | 72,111 |
| Similar Country Flags - Multiple Choice Quiz | 0 | - | 4.94 | 50,674 |
| Animals by Range on a World Map | 0 | - | 4.96 | 25,625 |
| Three Real and One Fake - Country Flags | 0 | - | 4.97 | 84,310 |
| Fruits by Picture | 0 | - | 4.19 | 807,883 |
| Old Movies by Picture | 0 | - | 4.51 | 25,144 |
| Musical Instruments by Picture #2 | 0 | - | 4.24 | 47,119 |
| Name that Object #1 | 0 | - | 3.57 | 96,526 |
| Name that Historical Figure #1 | 0 | - | 4.63 | 338,050 |
| Geography by Picture - B | 0 | - | 4.42 | 55,667 |
| Geography by Picture - H | 0 | - | 4.50 | 58,275 |
| Geography by Picture - N | 0 | - | 4.45 | 42,243 |
| Geography by Picture - R | 0 | - | 4.56 | 41,067 |
| Geography by Picture - T | 0 | - | 4.54 | 57,893 |
| Name the Pixelated Landmark | 0 | - | 4.85 | 63,150 |
| Car Logos Quiz #1 | 0 | - | 4.52 | 540,645 |
| Random Logos Quiz | 0 | - | 4.31 | 208,750 |
| All North American Pro Sports Logos | 0 | - | 4.70 | 115,501 |
| Pictures by Letter - A | 0 | - | 4.18 | 33,506 |
| Pictures by Letter - J | 0 | - | 4.31 | 40,125 |
| Pictures by Letter - B | 0 | - | 4.32 | 44,074 |
| Pictures by Letter - D | 0 | - | 4.14 | 37,672 |
| Pictures by Letter - M | 0 | - | 4.24 | 37,871 |
| Largest Land Animals of Asia | 0 | - | 3.64 | 8,315 |
| Animals in World History | 0 | - | 4.74 | 44,560 |
| Capital Cities by Body of Water | 0 | - | 4.85 | 57,725 |
| Islands by Shape #1 | 0 | - | 4.33 | 84,414 |
| 1970s Celebrities by Picture #1 | 0 | - | 4.20 | 58,039 |
| 1970s Celebrities by Picture #2 | 0 | - | 4.21 | 50,766 |
| Elements by Picture | 0 | - | 4.27 | 70,068 |
| Rocks and Minerals Picture Quiz | 0 | - | 4.48 | 29,377 |
| Islands by Picture | 0 | - | 4.28 | 107,223 |
| Classic Movies by Movie Posters | 0 | - | 4.45 | 24,304 |
| 1980s Movie Silhouettes | 0 | - | 4.97 | 104,075 |
| Famous Landmarks Out Of Focus #2 | 0 | - | 4.37 | 41,349 |
| 1940s Celebrities by Picture | 0 | - | 4.43 | 48,087 |
| International Footballers by Picture | 0 | - | 4.50 | 55,849 |
| Name that Historical Figure #2 | 0 | - | 4.42 | 285,000 |
| Name that Historical Figure #5 | 0 | - | 4.43 | 107,953 |
| Name that Historical Figure #7 - U.S. Edition | 0 | - | 4.51 | 50,940 |
| Geography by Picture - A | 0 | - | 4.39 | 60,317 |
| Geography by Picture - D | 0 | - | 4.15 | 45,699 |
| Geography by Picture - F | 0 | - | 4.31 | 51,064 |
| Geography by Picture - G | 0 | - | 4.39 | 47,991 |
| Geography by Picture - J | 0 | - | 4.16 | 38,506 |
| Geography by Picture - K | 0 | - | 4.29 | 33,169 |
| Geography by Picture - C | 0 | - | 4.31 | 57,121 |
| Geography by Picture - L | 0 | - | 4.37 | 59,031 |
| Geography by Picture - M | 0 | - | 4.14 | 40,500 |
| Geography by Picture - P | 0 | - | 4.24 | 42,473 |
| Geography by Picture - S | 0 | - | 4.38 | 47,079 |
| Miscellaneous Flags Quiz | 0 | - | 4.42 | 280,911 |
| Country Flags Multiple Choice | 0 | - | 4.97 | 144,809 |
| Flag Maths | 0 | - | 4.64 | 57,787 |
| Satellite Images #1 | 0 | - | 4.47 | 129,467 |
| Satellite Images Quiz #2 | 0 | - | 4.63 | 109,387 |
| Satellite Images Quiz #4 | 0 | - | 4.55 | 88,975 |
| Bodies of Water by Satellite Image #2 | 0 | - | 4.36 | 19,721 |
| Satellite Images Quiz #5 | 0 | - | 4.52 | 50,003 |
| Satellite Images Quiz #6 | 0 | - | 4.50 | 39,034 |
| Cities by Picture #1 | 0 | - | 4.73 | 86,151 |
| Soccer Team Logos | 0 | - | 4.26 | 375,470 |
| Brand Logos Quiz #1 | 0 | - | 4.83 | 2,427,858 |
| Car Logos Quiz #2 | 0 | - | 4.43 | 262,561 |
| Video Game Logos Quiz | 0 | - | 4.40 | 184,314 |
| Movie Logos | 0 | - | 4.33 | 239,053 |
| Brand Logos That Start with A | 0 | - | 4.52 | 70,609 |
| History by Picture - A | 0 | - | 4.26 | 45,915 |
| History by Picture - B | 0 | - | 4.40 | 49,105 |
| History by Picture - C | 0 | - | 4.36 | 54,612 |
| History by Picture - F | 0 | - | 4.35 | 37,987 |
| History by Picture - G | 0 | - | 4.40 | 42,236 |
| History by Picture - D | 0 | - | 4.29 | 44,422 |
| History by Picture - E | 0 | - | 4.25 | 44,039 |
| History by Picture - H | 0 | - | 4.37 | 36,881 |
| History by Picture - K | 0 | - | 4.35 | 33,444 |
| History by Picture - M | 0 | - | 4.17 | 36,228 |
| History by Picture - N | 0 | - | 4.40 | 41,351 |
| History by Picture - O | 0 | - | 4.39 | 36,391 |
| History by Picture - T | 0 | - | 4.20 | 33,389 |
| Name that Nut, Seed, or Bean | 0 | - | 4.63 | 57,398 |
| Baby, Male and Female Animals | 0 | - | 4.43 | 150,661 |
| Animal Adjectives | 0 | - | 4.77 | 60,068 |
| North American Cat-Named Sports Teams | 0 | - | 4.43 | 33,727 |
| African Great Lakes | 0 | - | 4.82 | 66,462 |
| Art Works Picture Quiz #1 | 0 | - | 4.51 | 119,454 |
| Art Works Picture Quiz #2 | 0 | - | 4.49 | 105,520 |
| Musical Instruments by Picture #1 | 0 | - | 4.52 | 269,216 |
| Flowers by Picture | 0 | - | 4.46 | 105,726 |
| Art Works Picture Quiz #3 | 0 | - | 4.45 | 48,826 |
| Name that Object #2 | 0 | - | 3.64 | 15,466 |
| Authors by Picture | 0 | - | 4.48 | 25,554 |
| Name that Object #3 | 0 | - | 3.93 | 14,421 |
| Fruit and Vegetable Emojis | 0 | - | 4.45 | 90,287 |
| WWII Figures by Picture | 0 | - | 4.89 | 65,723 |
| College Sports Logos Quiz #3 | 0 | - | 4.30 | 55,928 |
| Planets By Picture Quiz | 0 | - | 4.49 | 56,996 |
| Songs by Picture Quiz #1 | 0 | - | 4.68 | 66,156 |
| Songs by Picture Quiz #2 | 0 | - | 4.42 | 59,003 |
| Oscar Nominated Actors by Picture #1 | 0 | - | 4.42 | 165,338 |
| 1960s Celebrities by Picture #1 | 0 | - | 4.27 | 70,532 |
| 1960s Celebrities by Picture #2 | 0 | - | 4.26 | 51,504 |
| 1950s Celebrities by Picture #1 | 0 | - | 4.24 | 51,243 |
| 1980s Celebrities by Picture #2 | 0 | - | 4.19 | 71,841 |
| 1990s Celebrities by Picture #1 | 0 | - | 4.14 | 79,534 |
| 1990s Celebrities by Picture #2 | 0 | - | 4.16 | 72,557 |
| 2000s Celebrities by Picture #2 | 0 | - | 4.15 | 95,743 |
| 1950s Celebrities by Picture #2 | 0 | - | 4.29 | 46,223 |
| Name that Historical Figure #3 | 0 | - | 4.36 | 239,773 |
| Name that Historical Figure #4 | 0 | - | 4.29 | 159,422 |
| Name that Historical Figure #6 | 0 | - | 4.26 | 93,551 |
| Musicians by Picture #1 | 0 | - | 4.37 | 109,177 |
| Musicians by Picture #2 | 0 | - | 4.29 | 76,732 |
| Musicians by Picture #4 | 0 | - | 4.07 | 65,128 |
| Musicians by Picture #3 | 0 | - | 4.10 | 59,155 |
| Emoji Flags | 0 | - | 4.35 | 44,148 |
| Flag Coloring Book Puzzle #1 | 0 | - | 4.97 | 171,908 |
| Fill the Map of Europe by Guessing Flag Colors | 0 | - | 4.68 | 37,977 |
| Languages by Combined Flags | 0 | - | 4.53 | 100,194 |
| Satellite Images Quiz #3 | 0 | - | 4.35 | 73,440 |
| Satellite Images - Island Chains | 0 | - | 4.43 | 66,596 |
| Islands by Satellite Image #1 | 0 | - | 4.70 | 70,896 |
| Peninsulas by Satellite Image | 0 | - | 4.53 | 27,844 |
| Landmarks Picture Quiz #1 | 0 | - | 4.16 | 394,882 |
