| Pick a Picture - Animal Relations | 0 | - | 4.94 | 55,985 |
| Animals by Skeleton Image | 0 | - | 4.81 | 47,045 |
| Animals by Close-up Image | 0 | - | 4.42 | 219,525 |
| Aquatic Mammals by Picture | 0 | - | 4.41 | 46,063 |
| Extinct Animals by Picture | 0 | - | 4.49 | 35,543 |
| Mammals by Picture #1 | 0 | - | 4.69 | 92,558 |
| Fish by Picture #1 | 0 | - | 4.41 | 109,134 |
| Birds by Picture #1 | 0 | - | 4.47 | 42,134 |
| Animals A-Z by Picture | 0 | - | 4.08 | 66,960 |
| Mammals by Picture #3 | 0 | - | 4.39 | 62,562 |
| Mammals by Picture #4 | 0 | - | 4.03 | 34,383 |
| Mammals by Picture #2 | 0 | - | 4.28 | 58,625 |
| Birds by Picture #2 | 0 | - | 4.33 | 36,788 |
| Birds by Picture #3 | 0 | - | 4.24 | 33,539 |
| Sea Creatures by Picture | 0 | - | 4.27 | 17,835 |
| Countries with Wild Tigers | 0 | - | 4.96 | 137,763 |
| Countries with Wild Penguins | 0 | - | 4.94 | 100,882 |
| Countries with the Most Venomous Animal Species | 0 | - | 4.87 | 87,818 |
| Fish by Picture #2 | 0 | - | 4.09 | 18,772 |
| Countries with the Most Sheep | 0 | - | 4.93 | 103,772 |
| Build-a-Bird by Guessing Countries | 0 | - | 4.99 | 63,863 |
| Countries With The Most Bird Species | 0 | - | 4.93 | 33,305 |
| Countries with the Most Wolves | 0 | - | 4.92 | 108,750 |
| Countries that Catch the Most Fish | 0 | - | 4.90 | 113,275 |
| Countries With Two or More Bear Species | 0 | - | 4.90 | 22,940 |
| Australian Animals By Picture | 0 | - | 4.45 | 31,805 |
| Animals that Appear on a Coat of Arms | 0 | - | 4.50 | 24,911 |
| Top 15 Countries with the Most Cows | 0 | - | 4.73 | 107,537 |
| Countries with the Most Wild Elephants | 0 | - | 4.64 | 55,224 |
| Animal Populations of Countries | 0 | - | 4.52 | 44,113 |
| Name that Bug | 0 | - | 4.12 | 45,658 |
| Former Countries by Territory Map | 0 | - | 4.96 | 104,203 |
| Empires by Maps | 0 | - | 4.98 | 122,527 |
| Merged Company Logos #1 | 0 | - | 4.90 | 107,628 |
| Animals of Australia | 0 | - | 4.53 | 42,525 |
| Countries with More Cows than People | 0 | - | 4.46 | 61,738 |
| North American Bird-Named Teams | 0 | - | 4.44 | 68,033 |
| Countries with NO Snakes | 0 | - | 4.51 | 63,684 |
| All Country Flags of the World | 0 | - | 5.00 | 3,724,304 |
| Where Do Musk Oxen Live? | 0 | - | 4.63 | 15,360 |
| "Big Five" African Game Animals | 0 | - | 4.22 | 47,510 |
| Countries with Wild Lions | 0 | - | 4.77 | 26,620 |
| Islands by Shape #2 | 0 | - | 4.88 | 59,596 |
| Reptile Picture Quiz | 0 | - | 4.32 | 14,400 |
| Visual Memory Test - Random Cartoons | 0 | - | 4.98 | 105,667 |
| Play-Doh People from History | 0 | - | 4.99 | 95,757 |
| Famous Landmarks Out Of Focus #1 | 0 | - | 4.89 | 61,739 |
| Jeppy in Disguise #1 | 0 | - | 4.92 | 50,120 |
| Jeppy in Disguise #2 | 0 | - | 4.96 | 50,179 |
| Dog Breed Picture Quiz | 0 | - | 4.34 | 206,819 |
| Circular Cutouts from a World Map | 0 | - | 4.98 | 62,279 |
| Country Flags Quiz #1 | 0 | - | 4.98 | 2,547,728 |
| Country Flags Quiz #2 | 0 | - | 4.99 | 1,098,206 |
| Country Flags Quiz #3 | 0 | - | 4.97 | 737,112 |
| Top 10 Countries with the Most Horses | 0 | - | 4.49 | 69,325 |
| Make a Stained Glass Window | 0 | - | 5.00 | 69,193 |
| Flags with Crescents | 0 | - | 4.98 | 171,724 |
| Country Flag Trivia | 0 | - | 4.82 | 58,292 |
| Country Flags with Eagles - Picture Quiz | 0 | - | 4.98 | 105,161 |
| Country Flags with the Union Jack | 0 | - | 4.87 | 78,630 |
| Pixelated Flag Quiz | 0 | - | 4.97 | 88,874 |
| Flag Emblems Scavenger Hunt | 0 | - | 5.00 | 68,119 |
| Flags by Horizontal Stripes #1 | 0 | - | 4.84 | 86,160 |
| Country Flags with the Sun - Picture Quiz | 0 | - | 4.81 | 53,627 |
| Real vs. Fake Flags | 0 | - | 4.98 | 126,065 |
| Ultimate Car Logos Quiz | 0 | - | 4.81 | 184,851 |
| National Football Team Logos | 0 | - | 4.85 | 182,235 |
| Largest Land Animals of Africa | 0 | - | 4.36 | 12,828 |
| Top Countries for Shark Attacks | 0 | - | 4.47 | 45,962 |
| Asian Countries with NO Wolves | 0 | - | 4.60 | 19,053 |
| Years in History by Picture | 0 | - | 4.45 | 35,936 |
| Famous Foreheads #1 | 0 | - | 4.47 | 75,542 |
| Merged Company Logos #2 | 0 | - | 4.75 | 78,431 |
| National Animals | 0 | - | 4.24 | 90,262 |
| Flags to Languages | 0 | - | 4.95 | 174,689 |
| Bodies of Water by Satellite Image #1 | 0 | - | 4.19 | 72,655 |
| Similar Country Flags - Multiple Choice Quiz | 0 | - | 4.94 | 51,143 |
| Animals by Range on a World Map | 0 | - | 4.96 | 25,870 |
| Three Real and One Fake - Country Flags | 0 | - | 4.97 | 84,866 |
| Fruits by Picture | 0 | - | 4.19 | 809,804 |
| Old Movies by Picture | 0 | - | 4.51 | 25,293 |
| Musical Instruments by Picture #2 | 0 | - | 4.24 | 47,346 |
| Name that Object #1 | 0 | - | 3.57 | 96,650 |
| Name that Historical Figure #1 | 0 | - | 4.63 | 341,026 |
| Geography by Picture - B | 0 | - | 4.42 | 55,830 |
| Geography by Picture - H | 0 | - | 4.50 | 58,427 |
| Geography by Picture - N | 0 | - | 4.45 | 42,394 |
| Geography by Picture - R | 0 | - | 4.56 | 41,189 |
| Geography by Picture - T | 0 | - | 4.54 | 58,043 |
| Name the Pixelated Landmark | 0 | - | 4.85 | 63,645 |
| Car Logos Quiz #1 | 0 | - | 4.52 | 545,115 |
| Random Logos Quiz | 0 | - | 4.33 | 209,908 |
| All North American Pro Sports Logos | 0 | - | 4.72 | 116,628 |
| Pictures by Letter - A | 0 | - | 4.18 | 33,691 |
| Pictures by Letter - J | 0 | - | 4.31 | 40,320 |
| Pictures by Letter - B | 0 | - | 4.32 | 44,307 |
| Pictures by Letter - D | 0 | - | 4.14 | 37,847 |
| Pictures by Letter - M | 0 | - | 4.24 | 38,056 |
| Largest Land Animals of Asia | 0 | - | 3.64 | 8,358 |
| Animals in World History | 0 | - | 4.74 | 44,709 |
| Capital Cities by Body of Water | 0 | - | 4.85 | 57,900 |
| Islands by Shape #1 | 0 | - | 4.33 | 84,552 |
| Elements by Picture | 0 | - | 4.27 | 70,389 |
| Rocks and Minerals Picture Quiz | 0 | - | 4.48 | 29,547 |
| Islands by Picture | 0 | - | 4.28 | 107,954 |
| Classic Movies by Movie Posters | 0 | - | 4.45 | 24,484 |
| Famous Landmarks Out Of Focus #2 | 0 | - | 4.37 | 41,619 |
| International Footballers by Picture | 0 | - | 4.51 | 56,586 |
| Name that Historical Figure #2 | 0 | - | 4.42 | 287,395 |
| Name that Historical Figure #5 | 0 | - | 4.43 | 109,666 |
| Name that Historical Figure #7 - U.S. Edition | 0 | - | 4.51 | 51,773 |
| Geography by Picture - A | 0 | - | 4.39 | 60,484 |
| Geography by Picture - D | 0 | - | 4.15 | 45,824 |
| Geography by Picture - F | 0 | - | 4.31 | 51,228 |
| Geography by Picture - G | 0 | - | 4.39 | 48,120 |
| Geography by Picture - J | 0 | - | 4.16 | 38,632 |
| Geography by Picture - K | 0 | - | 4.29 | 33,290 |
| Geography by Picture - C | 0 | - | 4.31 | 57,280 |
| Geography by Picture - L | 0 | - | 4.37 | 59,174 |
| Geography by Picture - M | 0 | - | 4.14 | 40,616 |
| Geography by Picture - P | 0 | - | 4.24 | 42,601 |
| Geography by Picture - S | 0 | - | 4.38 | 47,211 |
| Miscellaneous Flags Quiz | 0 | - | 4.42 | 282,390 |
| Country Flags Multiple Choice | 0 | - | 4.97 | 145,664 |
| Flag Maths | 0 | - | 4.61 | 57,864 |
| Satellite Images #1 | 0 | - | 4.46 | 130,086 |
| Satellite Images Quiz #2 | 0 | - | 4.64 | 109,793 |
| Satellite Images Quiz #4 | 0 | - | 4.55 | 89,449 |
| Bodies of Water by Satellite Image #2 | 0 | - | 4.36 | 19,831 |
| Satellite Images Quiz #5 | 0 | - | 4.52 | 50,295 |
| Satellite Images Quiz #6 | 0 | - | 4.50 | 39,257 |
| Cities by Picture #1 | 0 | - | 4.74 | 86,665 |
| Soccer Team Logos | 0 | - | 4.26 | 378,250 |
| Brand Logos Quiz #1 | 0 | - | 4.83 | 2,441,378 |
| Car Logos Quiz #2 | 0 | - | 4.43 | 264,286 |
| Video Game Logos Quiz | 0 | - | 4.40 | 185,249 |
| Movie Logos | 0 | - | 4.33 | 240,790 |
| Brand Logos That Start with A | 0 | - | 4.52 | 71,340 |
| History by Picture - A | 0 | - | 4.26 | 46,224 |
| History by Picture - B | 0 | - | 4.40 | 49,427 |
| History by Picture - C | 0 | - | 4.33 | 54,965 |
| History by Picture - F | 0 | - | 4.35 | 38,259 |
| History by Picture - G | 0 | - | 4.40 | 42,497 |
| History by Picture - D | 0 | - | 4.29 | 44,722 |
| History by Picture - E | 0 | - | 4.25 | 44,305 |
| History by Picture - H | 0 | - | 4.37 | 37,143 |
| History by Picture - K | 0 | - | 4.35 | 33,670 |
| History by Picture - M | 0 | - | 4.17 | 36,447 |
| History by Picture - N | 0 | - | 4.40 | 41,586 |
| History by Picture - O | 0 | - | 4.39 | 36,599 |
| History by Picture - T | 0 | - | 4.20 | 33,593 |
| Name that Nut, Seed, or Bean | 0 | - | 4.57 | 57,867 |
| Baby, Male and Female Animals | 0 | - | 4.43 | 151,238 |
| Animal Adjectives | 0 | - | 4.77 | 60,242 |
| North American Cat-Named Sports Teams | 0 | - | 4.43 | 33,849 |
| African Great Lakes | 0 | - | 4.82 | 67,111 |
| Art Works Picture Quiz #1 | 0 | - | 4.51 | 119,973 |
| Art Works Picture Quiz #2 | 0 | - | 4.49 | 106,107 |
| Musical Instruments by Picture #1 | 0 | - | 4.52 | 269,915 |
| Flowers by Picture | 0 | - | 4.46 | 105,890 |
| Art Works Picture Quiz #3 | 0 | - | 4.45 | 49,025 |
| Name that Object #2 | 0 | - | 3.63 | 15,547 |
| Authors by Picture | 0 | - | 4.48 | 25,652 |
| Name that Object #3 | 0 | - | 3.93 | 14,479 |
| Fruit and Vegetable Emojis | 0 | - | 4.45 | 91,115 |
| WWII Figures by Picture | 0 | - | 4.89 | 66,482 |
| College Sports Logos Quiz #3 | 0 | - | 4.30 | 56,232 |
| Planets By Picture Quiz | 0 | - | 4.49 | 57,484 |
| Songs by Picture Quiz #1 | 0 | - | 4.68 | 66,593 |
| Songs by Picture Quiz #2 | 0 | - | 4.42 | 59,383 |
| Oscar Nominated Actors by Picture #1 | 0 | - | 4.42 | 165,869 |
| Name that Historical Figure #3 | 0 | - | 4.37 | 248,815 |
| Name that Historical Figure #4 | 0 | - | 4.29 | 161,269 |
| Name that Historical Figure #6 | 0 | - | 4.26 | 95,084 |
| Musicians by Picture #1 | 0 | - | 4.38 | 110,286 |
| Musicians by Picture #2 | 0 | - | 4.29 | 77,571 |
| Musicians by Picture #4 | 0 | - | 4.07 | 65,759 |
| Musicians by Picture #3 | 0 | - | 4.10 | 59,669 |
| Emoji Flags | 0 | - | 4.35 | 44,326 |
| Flag Coloring Book Puzzle #1 | 0 | - | 4.96 | 172,953 |
| Fill the Map of Europe by Guessing Flag Colors | 0 | - | 4.69 | 38,292 |
| Languages by Combined Flags | 0 | - | 4.53 | 100,801 |
| Satellite Images Quiz #3 | 0 | - | 4.35 | 73,701 |
| Satellite Images - Island Chains | 0 | - | 4.43 | 67,092 |
| Islands by Satellite Image #1 | 0 | - | 4.70 | 71,373 |
| Peninsulas by Satellite Image | 0 | - | 4.53 | 27,952 |
| Landmarks Picture Quiz #1 | 0 | - | 4.16 | 396,637 |
| Airline Logos | 0 | - | 4.45 | 141,565 |
| Fast Food Logos Quiz | 0 | - | 4.45 | 249,723 |
| Mostly-American Candy Logos | 0 | - | 4.14 | 160,136 |
| Brand Logos That Start With M | 0 | - | 4.38 | 63,666 |
| Brand Logos That Start With S | 0 | - | 4.37 | 58,445 |
| Brand Logos That Start With B | 0 | - | 4.38 | 60,774 |
| Brand Logos That Start With D | 0 | - | 4.37 | 62,333 |
| Brand Logos That Start With L | 0 | - | 4.40 | 62,039 |
| Brand Logos That Start With C | 0 | - | 4.21 | 50,233 |
| Pictures by Letter - E | 0 | - | 3.51 | 34,685 |
| Pictures by Letter - G | 0 | - | 4.14 | 28,422 |
| Pictures by Letter - L | 0 | - | 4.14 | 30,801 |
| Pictures by Letter - F | 0 | - | 4.18 | 29,308 |
