| Pick a Picture - Animal Relations | 0 | - | 4.94 | 54,796 |
| Animals by Close-up Image | 0 | - | 4.42 | 216,528 |
| Aquatic Mammals by Picture | 0 | - | 4.41 | 45,205 |
| Extinct Animals by Picture | 0 | - | 4.49 | 34,896 |
| Mammals by Picture #1 | 0 | - | 4.70 | 91,069 |
| Fish by Picture #1 | 0 | - | 4.41 | 108,049 |
| Birds by Picture #1 | 0 | - | 4.47 | 41,072 |
| Animals A-Z by Picture | 0 | - | 4.08 | 65,859 |
| Mammals by Picture #3 | 0 | - | 4.39 | 61,747 |
| Mammals by Picture #4 | 0 | - | 4.03 | 33,884 |
| Mammals by Picture #2 | 0 | - | 4.28 | 57,833 |
| Birds by Picture #2 | 0 | - | 4.33 | 35,919 |
| Birds by Picture #3 | 0 | - | 4.24 | 32,816 |
| Animals by Skeleton Image | 0 | - | 4.80 | 45,943 |
| Sea Creatures by Picture | 0 | - | 4.27 | 17,583 |
| Countries with Wild Tigers | 0 | - | 4.96 | 135,570 |
| Countries with Wild Penguins | 0 | - | 4.94 | 99,283 |
| Countries with the Most Venomous Animal Species | 0 | - | 4.88 | 86,389 |
| Fish by Picture #2 | 0 | - | 4.08 | 18,387 |
| Countries With The Most Bird Species | 0 | - | 4.92 | 32,306 |
| Countries with the Most Sheep | 0 | - | 4.92 | 102,361 |
| Build-a-Bird by Guessing Countries | 0 | - | 4.99 | 62,255 |
| Countries with the Most Wolves | 0 | - | 4.92 | 106,990 |
| Countries that Catch the Most Fish | 0 | - | 4.90 | 111,445 |
| Countries With Two or More Bear Species | 0 | - | 4.90 | 22,467 |
| Animals that Appear on a Coat of Arms | 0 | - | 4.49 | 24,735 |
| Countries with the Most Wild Elephants | 0 | - | 4.63 | 54,603 |
| Animal Populations of Countries | 0 | - | 4.51 | 43,589 |
| Top 15 Countries with the Most Cows | 0 | - | 4.64 | 92,764 |
| Name that Bug | 0 | - | 4.12 | 45,438 |
| Former Countries by Territory Map | 0 | - | 4.96 | 101,426 |
| Empires by Maps | 0 | - | 4.98 | 118,299 |
| Merged Company Logos #1 | 0 | - | 4.91 | 105,358 |
| Australian Animals By Picture | 0 | - | 4.45 | 31,434 |
| Animals of Australia | 0 | - | 4.52 | 42,140 |
| Countries with More Cows than People | 0 | - | 4.43 | 54,605 |
| North American Bird-Named Teams | 0 | - | 4.43 | 67,604 |
| Countries with NO Snakes | 0 | - | 4.51 | 63,503 |
| All Country Flags of the World | 0 | - | 5.00 | 3,597,882 |
| "Big Five" African Game Animals | 0 | - | 4.22 | 47,197 |
| Countries with Wild Lions | 0 | - | 4.77 | 25,957 |
| Where Do Musk Oxen Live? | 0 | - | 4.63 | 15,251 |
| Islands by Shape #2 | 0 | - | 4.88 | 58,972 |
| Reptile Picture Quiz | 0 | - | 4.32 | 14,222 |
| Visual Memory Test - Random Cartoons | 0 | - | 4.98 | 102,682 |
| Play-Doh People from History | 0 | - | 4.99 | 93,781 |
| Famous Landmarks Out Of Focus #1 | 0 | - | 4.89 | 60,261 |
| Jeppy in Disguise #1 | 0 | - | 4.92 | 48,696 |
| Dog Breed Picture Quiz | 0 | - | 4.34 | 205,462 |
| Circular Cutouts from a World Map | 0 | - | 4.98 | 60,985 |
| Country Flags Quiz #1 | 0 | - | 4.98 | 2,525,522 |
| Country Flags Quiz #2 | 0 | - | 4.98 | 1,087,011 |
| Country Flags Quiz #3 | 0 | - | 4.98 | 729,383 |
| Top 10 Countries with the Most Horses | 0 | - | 4.49 | 68,651 |
| Make a Stained Glass Window | 0 | - | 5.00 | 67,762 |
| Flags with Crescents | 0 | - | 4.98 | 167,415 |
| Country Flag Trivia | 0 | - | 4.81 | 55,855 |
| Country Flags with Eagles - Picture Quiz | 0 | - | 4.98 | 102,317 |
| Country Flags with the Union Jack | 0 | - | 4.87 | 76,400 |
| Pixelated Flag Quiz | 0 | - | 4.98 | 85,824 |
| Flag Emblems Scavenger Hunt | 0 | - | 5.00 | 66,394 |
| Flags by Horizontal Stripes #1 | 0 | - | 4.84 | 84,321 |
| Country Flags with the Sun - Picture Quiz | 0 | - | 4.83 | 51,970 |
| Real vs. Fake Flags | 0 | - | 4.98 | 122,451 |
| National Football Team Logos | 0 | - | 4.84 | 178,530 |
| Asian Countries with NO Wolves | 0 | - | 4.60 | 18,593 |
| Largest Land Animals of Africa | 0 | - | 4.36 | 12,684 |
| Top Countries for Shark Attacks | 0 | - | 4.46 | 45,666 |
| Years in History by Picture | 0 | - | 4.44 | 35,072 |
| Famous Foreheads #1 | 0 | - | 4.47 | 74,169 |
| Merged Company Logos #2 | 0 | - | 4.75 | 76,697 |
| National Animals | 0 | - | 4.24 | 89,133 |
| Flags to Languages | 0 | - | 4.95 | 172,411 |
| Bodies of Water by Satellite Image #1 | 0 | - | 4.20 | 71,211 |
| Similar Country Flags - Multiple Choice Quiz | 0 | - | 4.96 | 50,143 |
| Animals by Range on a World Map | 0 | - | 4.96 | 25,183 |
| Three Real and One Fake - Country Flags | 0 | - | 4.97 | 83,210 |
| Fruits by Picture | 0 | - | 4.20 | 804,459 |
| Old Movies by Picture | 0 | - | 4.51 | 24,778 |
| Musical Instruments by Picture #2 | 0 | - | 4.24 | 46,644 |
| Name that Object #1 | 0 | - | 3.56 | 96,287 |
| Name that Historical Figure #1 | 0 | - | 4.63 | 335,355 |
| Geography by Picture - B | 0 | - | 4.42 | 55,396 |
| Geography by Picture - H | 0 | - | 4.49 | 58,030 |
| Geography by Picture - N | 0 | - | 4.45 | 42,039 |
| Geography by Picture - R | 0 | - | 4.55 | 40,870 |
| Geography by Picture - T | 0 | - | 4.54 | 57,664 |
| Name the Pixelated Landmark | 0 | - | 4.84 | 62,391 |
| Car Logos Quiz #1 | 0 | - | 4.44 | 531,587 |
| Random Logos Quiz | 0 | - | 4.32 | 206,938 |
| All North American Pro Sports Logos | 0 | - | 4.70 | 113,112 |
| Pictures by Letter - A | 0 | - | 4.17 | 33,106 |
| Pictures by Letter - J | 0 | - | 4.31 | 39,700 |
| Pictures by Letter - B | 0 | - | 4.31 | 43,595 |
| Pictures by Letter - D | 0 | - | 4.16 | 37,287 |
| Pictures by Letter - M | 0 | - | 4.24 | 37,507 |
| Largest Land Animals of Asia | 0 | - | 3.62 | 8,252 |
| Animals in World History | 0 | - | 4.74 | 44,202 |
| Capital Cities by Body of Water | 0 | - | 4.85 | 57,273 |
| Islands by Shape #1 | 0 | - | 4.32 | 84,176 |
| 1970s Celebrities by Picture #1 | 0 | - | 4.20 | 57,600 |
| 1970s Celebrities by Picture #2 | 0 | - | 4.21 | 50,386 |
| Elements by Picture | 0 | - | 4.28 | 69,515 |
| Rocks and Minerals Picture Quiz | 0 | - | 4.48 | 29,148 |
| Islands by Picture | 0 | - | 4.29 | 105,811 |
| Classic Movies by Movie Posters | 0 | - | 4.44 | 24,019 |
| 1980s Movie Silhouettes | 0 | - | 4.97 | 102,431 |
| Famous Landmarks Out Of Focus #2 | 0 | - | 4.37 | 40,805 |
| 1940s Celebrities by Picture | 0 | - | 4.43 | 47,750 |
| International Footballers by Picture | 0 | - | 4.50 | 54,653 |
| Name that Historical Figure #2 | 0 | - | 4.43 | 282,466 |
| Name that Historical Figure #5 | 0 | - | 4.43 | 106,552 |
| Name that Historical Figure #7 - U.S. Edition | 0 | - | 4.50 | 50,262 |
| Geography by Picture - A | 0 | - | 4.39 | 60,039 |
| Geography by Picture - D | 0 | - | 4.15 | 45,477 |
| Geography by Picture - F | 0 | - | 4.31 | 50,817 |
| Geography by Picture - G | 0 | - | 4.38 | 47,778 |
| Geography by Picture - J | 0 | - | 4.16 | 38,330 |
| Geography by Picture - K | 0 | - | 4.28 | 33,007 |
| Geography by Picture - C | 0 | - | 4.31 | 56,897 |
| Geography by Picture - L | 0 | - | 4.37 | 58,740 |
| Geography by Picture - M | 0 | - | 4.14 | 40,338 |
| Geography by Picture - P | 0 | - | 4.24 | 42,293 |
| Geography by Picture - S | 0 | - | 4.38 | 46,902 |
| Miscellaneous Flags Quiz | 0 | - | 4.42 | 278,210 |
| Country Flags Multiple Choice | 0 | - | 4.97 | 143,376 |
| Flag Maths | 0 | - | 4.78 | 57,669 |
| Satellite Images Quiz #1 | 0 | - | 4.46 | 128,986 |
| Satellite Images Quiz #2 | 0 | - | 4.63 | 108,967 |
| Satellite Images Quiz #4 | 0 | - | 4.55 | 88,632 |
| Bodies of Water by Satellite Image #2 | 0 | - | 4.36 | 19,561 |
| Satellite Images Quiz #5 | 0 | - | 4.48 | 49,633 |
| Satellite Images Quiz #6 | 0 | - | 4.50 | 38,795 |
| Cities by Picture #1 | 0 | - | 4.73 | 85,319 |
| Soccer Team Logos | 0 | - | 4.26 | 370,503 |
| Brand Logos Quiz #1 | 0 | - | 4.83 | 2,400,475 |
| Ultimate Car Logos Quiz | 0 | - | 4.79 | 175,929 |
| Car Logos Quiz #2 | 0 | - | 4.43 | 259,059 |
| Video Game Logos Quiz | 0 | - | 4.40 | 182,541 |
| Movie Logos | 0 | - | 4.33 | 235,666 |
| Brand Logos That Start With M | 0 | - | 4.45 | 61,692 |
| Brand Logos That Start With B | 0 | - | 4.41 | 59,140 |
| Brand Logos That Start with A | 0 | - | 4.51 | 69,183 |
| History by Picture - A | 0 | - | 4.25 | 45,440 |
| History by Picture - B | 0 | - | 4.40 | 48,548 |
| History by Picture - C | 0 | - | 4.36 | 54,054 |
| History by Picture - F | 0 | - | 4.35 | 37,563 |
| History by Picture - G | 0 | - | 4.40 | 41,822 |
| History by Picture - D | 0 | - | 4.29 | 43,986 |
| History by Picture - E | 0 | - | 4.27 | 43,604 |
| History by Picture - H | 0 | - | 4.37 | 36,518 |
| History by Picture - K | 0 | - | 4.35 | 33,085 |
| History by Picture - M | 0 | - | 4.17 | 35,893 |
| History by Picture - N | 0 | - | 4.40 | 40,973 |
| History by Picture - O | 0 | - | 4.39 | 36,008 |
| History by Picture - T | 0 | - | 4.20 | 33,071 |
| Name that Nut, Seed, or Bean | 0 | - | 4.63 | 56,813 |
| Baby, Male and Female Animals | 0 | - | 4.43 | 149,575 |
| Animal Adjectives | 0 | - | 4.77 | 59,817 |
| North American Cat-Named Sports Teams | 0 | - | 4.43 | 33,500 |
| African Great Lakes | 0 | - | 4.82 | 65,082 |
| Art Works Picture Quiz #1 | 0 | - | 4.51 | 118,428 |
| Art Works Picture Quiz #2 | 0 | - | 4.49 | 104,605 |
| Musical Instruments by Picture #1 | 0 | - | 4.53 | 267,830 |
| Flowers by Picture | 0 | - | 4.46 | 104,996 |
| Art Works Picture Quiz #3 | 0 | - | 4.45 | 48,523 |
| Name that Object #2 | 0 | - | 3.64 | 15,315 |
| Authors by Picture | 0 | - | 4.48 | 25,388 |
| Name that Object #3 | 0 | - | 3.93 | 14,296 |
| Fruit and Vegetable Emojis | 0 | - | 4.42 | 79,397 |
| WWII Figures by Picture | 0 | - | 4.85 | 50,466 |
| College Sports Logos Quiz #3 | 0 | - | 4.30 | 55,011 |
| Planets By Picture Quiz | 0 | - | 4.49 | 56,133 |
| Songs by Picture Quiz #1 | 0 | - | 4.68 | 65,314 |
| Songs by Picture Quiz #2 | 0 | - | 4.41 | 58,370 |
| Oscar Nominated Actors by Picture #1 | 0 | - | 4.42 | 164,389 |
| 1960s Celebrities by Picture #1 | 0 | - | 4.27 | 69,991 |
| 1960s Celebrities by Picture #2 | 0 | - | 4.26 | 51,098 |
| 1950s Celebrities by Picture #1 | 0 | - | 4.24 | 50,909 |
| 1980s Celebrities by Picture #2 | 0 | - | 4.19 | 71,216 |
| 1990s Celebrities by Picture #1 | 0 | - | 4.13 | 78,959 |
| 1990s Celebrities by Picture #2 | 0 | - | 4.16 | 71,899 |
| 2000s Celebrities by Picture #2 | 0 | - | 4.15 | 94,529 |
| 1950s Celebrities by Picture #2 | 0 | - | 4.29 | 45,906 |
| Name that Historical Figure #3 | 0 | - | 4.36 | 237,561 |
| Name that Historical Figure #4 | 0 | - | 4.29 | 157,956 |
| Name that Historical Figure #6 | 0 | - | 4.27 | 92,367 |
| Musicians by Picture #1 | 0 | - | 4.39 | 107,018 |
| Musicians by Picture #2 | 0 | - | 4.29 | 75,223 |
| Musicians by Picture #4 | 0 | - | 4.07 | 63,985 |
| Musicians by Picture #3 | 0 | - | 4.10 | 58,291 |
| Emoji Flags | 0 | - | 4.35 | 43,802 |
| Flag Coloring Book Puzzle #1 | 0 | - | 4.97 | 169,775 |
| Fill the Map of Europe by Guessing Flag Colors | 0 | - | 4.64 | 37,443 |
| Languages by Combined Flags | 0 | - | 4.53 | 99,079 |
| Satellite Images Quiz #3 | 0 | - | 4.35 | 73,227 |
| Satellite Images - Island Chains | 0 | - | 4.43 | 65,712 |
| Islands by Satellite Image #1 | 0 | - | 4.70 | 70,057 |
| Peninsulas by Satellite Image | 0 | - | 4.53 | 27,661 |
| Landmarks Picture Quiz #1 | 0 | - | 4.16 | 392,874 |
