| Pick a Picture - Animal Relations | 0 | - | 4.94 | 55,090 |
| Animals by Close-up Image | 0 | - | 4.42 | 217,308 |
| Aquatic Mammals by Picture | 0 | - | 4.41 | 45,423 |
| Extinct Animals by Picture | 0 | - | 4.49 | 35,058 |
| Mammals by Picture #1 | 0 | - | 4.70 | 91,423 |
| Fish by Picture #1 | 0 | - | 4.41 | 108,293 |
| Birds by Picture #1 | 0 | - | 4.47 | 41,351 |
| Animals A-Z by Picture | 0 | - | 4.08 | 66,151 |
| Mammals by Picture #4 | 0 | - | 4.03 | 34,023 |
| Mammals by Picture #2 | 0 | - | 4.28 | 58,045 |
| Birds by Picture #2 | 0 | - | 4.33 | 36,139 |
| Birds by Picture #3 | 0 | - | 4.24 | 32,986 |
| Animals by Skeleton Image | 0 | - | 4.80 | 46,173 |
| Sea Creatures by Picture | 0 | - | 4.27 | 17,637 |
| Countries with Wild Tigers | 0 | - | 4.96 | 136,006 |
| Countries with Wild Penguins | 0 | - | 4.94 | 99,626 |
| Countries with the Most Venomous Animal Species | 0 | - | 4.87 | 86,684 |
| Fish by Picture #2 | 0 | - | 4.06 | 18,479 |
| Countries With The Most Bird Species | 0 | - | 4.93 | 32,646 |
| Countries with the Most Sheep | 0 | - | 4.92 | 102,729 |
| Build-a-Bird by Guessing Countries | 0 | - | 4.99 | 62,685 |
| Countries With Two or More Bear Species | 0 | - | 4.90 | 22,589 |
| Countries with the Most Wolves | 0 | - | 4.92 | 107,438 |
| Countries that Catch the Most Fish | 0 | - | 4.90 | 111,838 |
| Animals that Appear on a Coat of Arms | 0 | - | 4.49 | 24,782 |
| Countries with the Most Wild Elephants | 0 | - | 4.63 | 54,765 |
| Animal Populations of Countries | 0 | - | 4.52 | 43,725 |
| Top 15 Countries with the Most Cows | 0 | - | 4.64 | 92,854 |
| Name that Bug | 0 | - | 4.12 | 45,497 |
| Former Countries by Territory Map | 0 | - | 4.96 | 102,112 |
| Empires by Maps | 0 | - | 4.98 | 119,267 |
| Merged Company Logos #1 | 0 | - | 4.91 | 105,819 |
| Australian Animals By Picture | 0 | - | 4.45 | 31,517 |
| Animals of Australia | 0 | - | 4.52 | 42,230 |
| Countries with More Cows than People | 0 | - | 4.45 | 60,950 |
| North American Bird-Named Teams | 0 | - | 4.44 | 67,731 |
| Countries with NO Snakes | 0 | - | 4.51 | 63,539 |
| All Country Flags of the World | 0 | - | 5.00 | 3,628,209 |
| "Big Five" African Game Animals | 0 | - | 4.22 | 47,300 |
| Countries with Wild Lions | 0 | - | 4.77 | 26,122 |
| Where Do Musk Oxen Live? | 0 | - | 4.63 | 15,273 |
| Islands by Shape #2 | 0 | - | 4.88 | 59,097 |
| Reptile Picture Quiz | 0 | - | 4.32 | 14,258 |
| Visual Memory Test - Random Cartoons | 0 | - | 4.98 | 103,354 |
| Play-Doh People from History | 0 | - | 4.99 | 94,260 |
| Famous Landmarks Out Of Focus #1 | 0 | - | 4.89 | 60,594 |
| Jeppy in Disguise #1 | 0 | - | 4.92 | 48,984 |
| Jeppy in Disguise #2 | 0 | - | 4.96 | 49,181 |
| Dog Breed Picture Quiz | 0 | - | 4.34 | 205,788 |
| Circular Cutouts from a World Map | 0 | - | 4.98 | 61,237 |
| Country Flags Quiz #1 | 0 | - | 4.98 | 2,530,964 |
| Country Flags Quiz #2 | 0 | - | 4.98 | 1,089,638 |
| Country Flags Quiz #3 | 0 | - | 4.98 | 731,253 |
| Top 10 Countries with the Most Horses | 0 | - | 4.49 | 68,816 |
| Make a Stained Glass Window | 0 | - | 5.00 | 68,116 |
| Flags with Crescents | 0 | - | 4.98 | 168,370 |
| Country Flag Trivia | 0 | - | 4.81 | 56,358 |
| Country Flags with Eagles - Picture Quiz | 0 | - | 4.98 | 102,929 |
| Country Flags with the Union Jack | 0 | - | 4.87 | 76,874 |
| Pixelated Flag Quiz | 0 | - | 4.98 | 86,485 |
| Flag Emblems Scavenger Hunt | 0 | - | 5.00 | 66,807 |
| Flags by Horizontal Stripes #1 | 0 | - | 4.84 | 84,690 |
| Badly Drawn Flags #1 | 0 | - | 4.99 | 60,150 |
| Country Flags with the Sun - Picture Quiz | 0 | - | 4.83 | 52,352 |
| Real vs. Fake Flags | 0 | - | 4.98 | 123,215 |
| National Football Team Logos | 0 | - | 4.85 | 179,461 |
| Asian Countries with NO Wolves | 0 | - | 4.60 | 18,709 |
| Largest Land Animals of Africa | 0 | - | 4.36 | 12,721 |
| Top Countries for Shark Attacks | 0 | - | 4.46 | 45,747 |
| Years in History by Picture | 0 | - | 4.44 | 35,301 |
| Famous Foreheads #1 | 0 | - | 4.47 | 74,504 |
| Merged Company Logos #2 | 0 | - | 4.75 | 77,061 |
| National Animals | 0 | - | 4.24 | 89,481 |
| Flags to Languages | 0 | - | 4.95 | 172,977 |
| Bodies of Water by Satellite Image #1 | 0 | - | 4.20 | 71,546 |
| Similar Country Flags - Multiple Choice Quiz | 0 | - | 4.94 | 50,188 |
| Animals by Range on a World Map | 0 | - | 4.96 | 25,358 |
| Three Real and One Fake - Country Flags | 0 | - | 4.97 | 83,595 |
| Fruits by Picture | 0 | - | 4.20 | 805,819 |
| Old Movies by Picture | 0 | - | 4.51 | 24,948 |
| Musical Instruments by Picture #2 | 0 | - | 4.24 | 46,822 |
| Name that Object #1 | 0 | - | 3.56 | 96,358 |
| Name that Historical Figure #1 | 0 | - | 4.63 | 336,451 |
| Geography by Picture - B | 0 | - | 4.42 | 55,494 |
| Geography by Picture - H | 0 | - | 4.50 | 58,110 |
| Geography by Picture - N | 0 | - | 4.45 | 42,107 |
| Geography by Picture - R | 0 | - | 4.56 | 40,932 |
| Geography by Picture - T | 0 | - | 4.54 | 57,745 |
| Name the Pixelated Landmark | 0 | - | 4.84 | 62,694 |
| Car Logos Quiz #1 | 0 | - | 4.44 | 535,261 |
| Random Logos Quiz | 0 | - | 4.31 | 207,620 |
| All North American Pro Sports Logos | 0 | - | 4.70 | 114,094 |
| Pictures by Letter - A | 0 | - | 4.17 | 33,252 |
| Pictures by Letter - J | 0 | - | 4.31 | 39,858 |
| Pictures by Letter - B | 0 | - | 4.31 | 43,746 |
| Pictures by Letter - D | 0 | - | 4.13 | 37,428 |
| Pictures by Letter - M | 0 | - | 4.24 | 37,646 |
| Largest Land Animals of Asia | 0 | - | 3.62 | 8,280 |
| Animals in World History | 0 | - | 4.74 | 44,344 |
| Capital Cities by Body of Water | 0 | - | 4.85 | 57,413 |
| Islands by Shape #1 | 0 | - | 4.32 | 84,245 |
| 1970s Celebrities by Picture #1 | 0 | - | 4.20 | 57,760 |
| 1970s Celebrities by Picture #2 | 0 | - | 4.21 | 50,520 |
| Elements by Picture | 0 | - | 4.27 | 69,727 |
| Rocks and Minerals Picture Quiz | 0 | - | 4.48 | 29,229 |
| Islands by Picture | 0 | - | 4.29 | 106,354 |
| Classic Movies by Movie Posters | 0 | - | 4.45 | 24,161 |
| 1980s Movie Silhouettes | 0 | - | 4.97 | 103,182 |
| Famous Landmarks Out Of Focus #2 | 0 | - | 4.37 | 40,997 |
| 1940s Celebrities by Picture | 0 | - | 4.43 | 47,873 |
| International Footballers by Picture | 0 | - | 4.50 | 55,121 |
| Name that Historical Figure #2 | 0 | - | 4.41 | 283,584 |
| Name that Historical Figure #5 | 0 | - | 4.43 | 107,117 |
| Name that Historical Figure #7 - U.S. Edition | 0 | - | 4.50 | 50,559 |
| Geography by Picture - A | 0 | - | 4.39 | 60,124 |
| Geography by Picture - D | 0 | - | 4.15 | 45,553 |
| Geography by Picture - F | 0 | - | 4.31 | 50,887 |
| Geography by Picture - G | 0 | - | 4.38 | 47,861 |
| Geography by Picture - J | 0 | - | 4.16 | 38,379 |
| Geography by Picture - K | 0 | - | 4.29 | 33,052 |
| Geography by Picture - C | 0 | - | 4.31 | 56,983 |
| Geography by Picture - L | 0 | - | 4.37 | 58,845 |
| Geography by Picture - M | 0 | - | 4.14 | 40,379 |
| Geography by Picture - P | 0 | - | 4.24 | 42,351 |
| Geography by Picture - S | 0 | - | 4.38 | 46,966 |
| Miscellaneous Flags Quiz | 0 | - | 4.42 | 279,277 |
| Country Flags Multiple Choice | 0 | - | 4.97 | 143,954 |
| Flag Maths | 0 | - | 4.64 | 57,701 |
| Satellite Images #1 | 0 | - | 4.46 | 129,167 |
| Satellite Images Quiz #2 | 0 | - | 4.63 | 109,122 |
| Satellite Images Quiz #4 | 0 | - | 4.55 | 88,770 |
| Bodies of Water by Satellite Image #2 | 0 | - | 4.36 | 19,628 |
| Satellite Images Quiz #5 | 0 | - | 4.52 | 49,760 |
| Satellite Images Quiz #6 | 0 | - | 4.50 | 38,883 |
| Cities by Picture #1 | 0 | - | 4.73 | 85,631 |
| Soccer Team Logos | 0 | - | 4.26 | 372,447 |
| Brand Logos Quiz #1 | 0 | - | 4.82 | 2,410,860 |
| Ultimate Car Logos Quiz | 0 | - | 4.80 | 178,012 |
| Car Logos Quiz #2 | 0 | - | 4.43 | 260,483 |
| Video Game Logos Quiz | 0 | - | 4.40 | 183,228 |
| Movie Logos | 0 | - | 4.33 | 237,004 |
| Brand Logos That Start With M | 0 | - | 4.45 | 62,193 |
| Brand Logos That Start with A | 0 | - | 4.52 | 69,729 |
| History by Picture - A | 0 | - | 4.25 | 45,634 |
| History by Picture - B | 0 | - | 4.40 | 48,772 |
| History by Picture - C | 0 | - | 4.36 | 54,286 |
| History by Picture - F | 0 | - | 4.35 | 37,747 |
| History by Picture - G | 0 | - | 4.40 | 42,010 |
| History by Picture - D | 0 | - | 4.29 | 44,167 |
| History by Picture - E | 0 | - | 4.27 | 43,789 |
| History by Picture - H | 0 | - | 4.37 | 36,677 |
| History by Picture - K | 0 | - | 4.35 | 33,235 |
| History by Picture - M | 0 | - | 4.17 | 36,030 |
| History by Picture - N | 0 | - | 4.40 | 41,126 |
| History by Picture - O | 0 | - | 4.39 | 36,187 |
| History by Picture - T | 0 | - | 4.20 | 33,206 |
| Name that Nut, Seed, or Bean | 0 | - | 4.63 | 57,021 |
| Baby, Male and Female Animals | 0 | - | 4.43 | 149,986 |
| Animal Adjectives | 0 | - | 4.77 | 59,915 |
| North American Cat-Named Sports Teams | 0 | - | 4.43 | 33,596 |
| African Great Lakes | 0 | - | 4.82 | 65,669 |
| Art Works Picture Quiz #1 | 0 | - | 4.51 | 118,737 |
| Art Works Picture Quiz #2 | 0 | - | 4.49 | 104,979 |
| Musical Instruments by Picture #1 | 0 | - | 4.52 | 268,368 |
| Flowers by Picture | 0 | - | 4.46 | 105,127 |
| Art Works Picture Quiz #3 | 0 | - | 4.45 | 48,625 |
| Name that Object #2 | 0 | - | 3.64 | 15,359 |
| Authors by Picture | 0 | - | 4.48 | 25,464 |
| Name that Object #3 | 0 | - | 3.93 | 14,330 |
| Fruit and Vegetable Emojis | 0 | - | 4.42 | 79,813 |
| WWII Figures by Picture | 0 | - | 4.89 | 63,640 |
| College Sports Logos Quiz #3 | 0 | - | 4.30 | 55,401 |
| Planets By Picture Quiz | 0 | - | 4.49 | 56,456 |
| Songs by Picture Quiz #1 | 0 | - | 4.68 | 65,624 |
| Songs by Picture Quiz #2 | 0 | - | 4.42 | 58,631 |
| Oscar Nominated Actors by Picture #1 | 0 | - | 4.42 | 164,848 |
| 1960s Celebrities by Picture #1 | 0 | - | 4.27 | 70,189 |
| 1960s Celebrities by Picture #2 | 0 | - | 4.26 | 51,253 |
| 1950s Celebrities by Picture #1 | 0 | - | 4.24 | 51,023 |
| 1980s Celebrities by Picture #2 | 0 | - | 4.19 | 71,443 |
| 1990s Celebrities by Picture #1 | 0 | - | 4.13 | 79,170 |
| 1990s Celebrities by Picture #2 | 0 | - | 4.16 | 72,123 |
| 2000s Celebrities by Picture #2 | 0 | - | 4.15 | 94,878 |
| 1950s Celebrities by Picture #2 | 0 | - | 4.29 | 46,016 |
| Name that Historical Figure #3 | 0 | - | 4.36 | 238,578 |
| Name that Historical Figure #4 | 0 | - | 4.29 | 158,565 |
| Name that Historical Figure #6 | 0 | - | 4.26 | 92,872 |
| Musicians by Picture #1 | 0 | - | 4.39 | 107,846 |
| Musicians by Picture #2 | 0 | - | 4.29 | 75,779 |
| Musicians by Picture #4 | 0 | - | 4.07 | 64,408 |
| Musicians by Picture #3 | 0 | - | 4.10 | 58,604 |
| Emoji Flags | 0 | - | 4.35 | 43,917 |
| Flag Coloring Book Puzzle #1 | 0 | - | 4.97 | 170,526 |
| Fill the Map of Europe by Guessing Flag Colors | 0 | - | 4.67 | 37,644 |
| Languages by Combined Flags | 0 | - | 4.53 | 99,518 |
| Satellite Images Quiz #3 | 0 | - | 4.35 | 73,308 |
| Satellite Images - Island Chains | 0 | - | 4.43 | 66,031 |
| Islands by Satellite Image #1 | 0 | - | 4.70 | 70,375 |
| Peninsulas by Satellite Image | 0 | - | 4.53 | 27,721 |
| Landmarks Picture Quiz #1 | 0 | - | 4.16 | 393,664 |
