| Pick a Picture - Animal Relations | 0 | - | 4.94 | 55,064 |
| Animals by Close-up Image | 0 | - | 4.42 | 217,279 |
| Aquatic Mammals by Picture | 0 | - | 4.41 | 45,417 |
| Extinct Animals by Picture | 0 | - | 4.49 | 35,043 |
| Mammals by Picture #1 | 0 | - | 4.70 | 91,401 |
| Fish by Picture #1 | 0 | - | 4.41 | 108,277 |
| Birds by Picture #1 | 0 | - | 4.47 | 41,341 |
| Animals A-Z by Picture | 0 | - | 4.08 | 66,134 |
| Mammals by Picture #3 | 0 | - | 4.39 | 61,914 |
| Mammals by Picture #4 | 0 | - | 4.03 | 34,015 |
| Mammals by Picture #2 | 0 | - | 4.28 | 58,035 |
| Birds by Picture #2 | 0 | - | 4.33 | 36,128 |
| Birds by Picture #3 | 0 | - | 4.24 | 32,976 |
| Animals by Skeleton Image | 0 | - | 4.80 | 46,160 |
| Countries with Wild Tigers | 0 | - | 4.96 | 135,983 |
| Countries with Wild Penguins | 0 | - | 4.94 | 99,604 |
| Countries with the Most Venomous Animal Species | 0 | - | 4.87 | 86,666 |
| Fish by Picture #2 | 0 | - | 4.08 | 18,473 |
| Countries With The Most Bird Species | 0 | - | 4.93 | 32,635 |
| Countries with the Most Sheep | 0 | - | 4.92 | 102,711 |
| Build-a-Bird by Guessing Countries | 0 | - | 4.99 | 62,649 |
| Countries With Two or More Bear Species | 0 | - | 4.90 | 22,580 |
| Countries with the Most Wolves | 0 | - | 4.92 | 107,407 |
| Countries that Catch the Most Fish | 0 | - | 4.90 | 111,824 |
| Animals that Appear on a Coat of Arms | 0 | - | 4.49 | 24,778 |
| Countries with the Most Wild Elephants | 0 | - | 4.63 | 54,754 |
| Animal Populations of Countries | 0 | - | 4.51 | 43,713 |
| Top 15 Countries with the Most Cows | 0 | - | 4.64 | 92,845 |
| Name that Bug | 0 | - | 4.12 | 45,493 |
| Former Countries by Territory Map | 0 | - | 4.96 | 102,067 |
| Empires by Maps | 0 | - | 4.98 | 119,214 |
| Merged Company Logos #1 | 0 | - | 4.91 | 105,788 |
| Australian Animals By Picture | 0 | - | 4.45 | 31,509 |
| Animals of Australia | 0 | - | 4.52 | 42,220 |
| Countries with More Cows than People | 0 | - | 4.45 | 60,879 |
| North American Bird-Named Teams | 0 | - | 4.43 | 67,728 |
| Countries with NO Snakes | 0 | - | 4.51 | 63,530 |
| All Country Flags of the World | 0 | - | 5.00 | 3,625,488 |
| "Big Five" African Game Animals | 0 | - | 4.22 | 47,291 |
| Countries with Wild Lions | 0 | - | 4.77 | 26,114 |
| Where Do Musk Oxen Live? | 0 | - | 4.63 | 15,270 |
| Islands by Shape #2 | 0 | - | 4.88 | 59,093 |
| Reptile Picture Quiz | 0 | - | 4.32 | 14,254 |
| Visual Memory Test - Random Cartoons | 0 | - | 4.98 | 103,332 |
| Play-Doh People from History | 0 | - | 4.99 | 94,233 |
| Famous Landmarks Out Of Focus #1 | 0 | - | 4.89 | 60,578 |
| Jeppy in Disguise #1 | 0 | - | 4.92 | 48,966 |
| Jeppy in Disguise #2 | 0 | - | 4.96 | 49,165 |
| Dog Breed Picture Quiz | 0 | - | 4.34 | 205,770 |
| Circular Cutouts from a World Map | 0 | - | 4.98 | 61,229 |
| Country Flags Quiz #1 | 0 | - | 4.98 | 2,530,589 |
| Country Flags Quiz #2 | 0 | - | 4.98 | 1,089,445 |
| Country Flags Quiz #3 | 0 | - | 4.98 | 731,110 |
| Top 10 Countries with the Most Horses | 0 | - | 4.49 | 68,809 |
| Make a Stained Glass Window | 0 | - | 5.00 | 68,081 |
| Flags with Crescents | 0 | - | 4.98 | 168,281 |
| Country Flag Trivia | 0 | - | 4.81 | 56,292 |
| Country Flags with Eagles - Picture Quiz | 0 | - | 4.98 | 102,877 |
| Country Flags with the Union Jack | 0 | - | 4.87 | 76,817 |
| Pixelated Flag Quiz | 0 | - | 4.98 | 86,416 |
| Flag Emblems Scavenger Hunt | 0 | - | 5.00 | 66,760 |
| Flags by Horizontal Stripes #1 | 0 | - | 4.84 | 84,651 |
| Country Flags with the Sun - Picture Quiz | 0 | - | 4.83 | 52,328 |
| Real vs. Fake Flags | 0 | - | 4.98 | 123,150 |
| National Football Team Logos | 0 | - | 4.85 | 179,419 |
| Asian Countries with NO Wolves | 0 | - | 4.60 | 18,703 |
| Largest Land Animals of Africa | 0 | - | 4.36 | 12,717 |
| Top Countries for Shark Attacks | 0 | - | 4.46 | 45,742 |
| Years in History by Picture | 0 | - | 4.44 | 35,281 |
| Famous Foreheads #1 | 0 | - | 4.47 | 74,479 |
| Merged Company Logos #2 | 0 | - | 4.75 | 77,046 |
| National Animals | 0 | - | 4.24 | 89,254 |
| Flags to Languages | 0 | - | 4.95 | 172,932 |
| Bodies of Water by Satellite Image #1 | 0 | - | 4.20 | 71,514 |
| Similar Country Flags - Multiple Choice Quiz | 0 | - | 4.94 | 50,182 |
| Animals by Range on a World Map | 0 | - | 4.96 | 25,348 |
| Three Real and One Fake - Country Flags | 0 | - | 4.97 | 83,567 |
| Fruits by Picture | 0 | - | 4.20 | 805,694 |
| Old Movies by Picture | 0 | - | 4.51 | 24,939 |
| Musical Instruments by Picture #2 | 0 | - | 4.24 | 46,812 |
| Name that Object #1 | 0 | - | 3.56 | 96,353 |
| Name that Historical Figure #1 | 0 | - | 4.63 | 336,373 |
| Geography by Picture - B | 0 | - | 4.42 | 55,493 |
| Geography by Picture - H | 0 | - | 4.50 | 58,106 |
| Geography by Picture - N | 0 | - | 4.45 | 42,101 |
| Geography by Picture - R | 0 | - | 4.56 | 40,928 |
| Geography by Picture - T | 0 | - | 4.54 | 57,741 |
| Name the Pixelated Landmark | 0 | - | 4.84 | 62,677 |
| Car Logos Quiz #1 | 0 | - | 4.44 | 535,030 |
| Random Logos Quiz | 0 | - | 4.31 | 207,565 |
| All North American Pro Sports Logos | 0 | - | 4.70 | 114,027 |
| Pictures by Letter - A | 0 | - | 4.17 | 33,240 |
| Pictures by Letter - J | 0 | - | 4.31 | 39,842 |
| Pictures by Letter - B | 0 | - | 4.31 | 43,730 |
| Pictures by Letter - D | 0 | - | 4.16 | 37,416 |
| Pictures by Letter - M | 0 | - | 4.24 | 37,636 |
| Largest Land Animals of Asia | 0 | - | 3.62 | 8,275 |
| Animals in World History | 0 | - | 4.74 | 44,331 |
| Capital Cities by Body of Water | 0 | - | 4.85 | 57,402 |
| Islands by Shape #1 | 0 | - | 4.32 | 84,239 |
| 1970s Celebrities by Picture #1 | 0 | - | 4.20 | 57,746 |
| 1970s Celebrities by Picture #2 | 0 | - | 4.21 | 50,510 |
| Elements by Picture | 0 | - | 4.28 | 69,713 |
| Rocks and Minerals Picture Quiz | 0 | - | 4.48 | 29,227 |
| Islands by Picture | 0 | - | 4.29 | 106,318 |
| Classic Movies by Movie Posters | 0 | - | 4.45 | 24,151 |
| 1980s Movie Silhouettes | 0 | - | 4.97 | 103,160 |
| Famous Landmarks Out Of Focus #2 | 0 | - | 4.37 | 40,987 |
| 1940s Celebrities by Picture | 0 | - | 4.43 | 47,863 |
| International Footballers by Picture | 0 | - | 4.50 | 55,095 |
| Name that Historical Figure #2 | 0 | - | 4.41 | 283,505 |
| Name that Historical Figure #5 | 0 | - | 4.43 | 107,077 |
| Name that Historical Figure #7 - U.S. Edition | 0 | - | 4.50 | 50,540 |
| Geography by Picture - A | 0 | - | 4.39 | 60,121 |
| Geography by Picture - D | 0 | - | 4.15 | 45,552 |
| Geography by Picture - F | 0 | - | 4.31 | 50,887 |
| Geography by Picture - G | 0 | - | 4.38 | 47,858 |
| Geography by Picture - J | 0 | - | 4.16 | 38,377 |
| Geography by Picture - K | 0 | - | 4.29 | 33,051 |
| Geography by Picture - C | 0 | - | 4.31 | 56,983 |
| Geography by Picture - L | 0 | - | 4.37 | 58,840 |
| Geography by Picture - M | 0 | - | 4.14 | 40,377 |
| Geography by Picture - P | 0 | - | 4.24 | 42,347 |
| Geography by Picture - S | 0 | - | 4.38 | 46,960 |
| Miscellaneous Flags Quiz | 0 | - | 4.42 | 279,197 |
| Country Flags Multiple Choice | 0 | - | 4.97 | 143,914 |
| Flag Maths | 0 | - | 4.63 | 57,700 |
| Satellite Images #1 | 0 | - | 4.46 | 129,160 |
| Satellite Images Quiz #2 | 0 | - | 4.63 | 109,115 |
| Satellite Images Quiz #4 | 0 | - | 4.55 | 88,763 |
| Bodies of Water by Satellite Image #2 | 0 | - | 4.36 | 19,621 |
| Satellite Images Quiz #5 | 0 | - | 4.52 | 49,755 |
| Satellite Images Quiz #6 | 0 | - | 4.50 | 38,876 |
| Cities by Picture #1 | 0 | - | 4.73 | 85,604 |
| Soccer Team Logos | 0 | - | 4.26 | 372,349 |
| Brand Logos Quiz #1 | 0 | - | 4.83 | 2,410,239 |
| Ultimate Car Logos Quiz | 0 | - | 4.80 | 177,843 |
| Car Logos Quiz #2 | 0 | - | 4.43 | 260,401 |
| Video Game Logos Quiz | 0 | - | 4.40 | 183,196 |
| Movie Logos | 0 | - | 4.33 | 236,898 |
| Brand Logos That Start With M | 0 | - | 4.45 | 62,170 |
| Brand Logos That Start with A | 0 | - | 4.51 | 69,707 |
| History by Picture - A | 0 | - | 4.25 | 45,622 |
| History by Picture - B | 0 | - | 4.40 | 48,756 |
| History by Picture - C | 0 | - | 4.36 | 54,273 |
| History by Picture - F | 0 | - | 4.35 | 37,737 |
| History by Picture - G | 0 | - | 4.40 | 41,995 |
| History by Picture - D | 0 | - | 4.29 | 44,155 |
| History by Picture - E | 0 | - | 4.27 | 43,777 |
| History by Picture - H | 0 | - | 4.37 | 36,670 |
| History by Picture - K | 0 | - | 4.35 | 33,226 |
| History by Picture - M | 0 | - | 4.17 | 36,020 |
| History by Picture - N | 0 | - | 4.40 | 41,116 |
| History by Picture - O | 0 | - | 4.39 | 36,177 |
| History by Picture - T | 0 | - | 4.20 | 33,198 |
| Name that Nut, Seed, or Bean | 0 | - | 4.63 | 57,008 |
| Baby, Male and Female Animals | 0 | - | 4.43 | 149,956 |
| Animal Adjectives | 0 | - | 4.77 | 59,907 |
| North American Cat-Named Sports Teams | 0 | - | 4.43 | 33,590 |
| African Great Lakes | 0 | - | 4.82 | 65,639 |
| Art Works Picture Quiz #1 | 0 | - | 4.51 | 118,709 |
| Art Works Picture Quiz #2 | 0 | - | 4.49 | 104,951 |
| Musical Instruments by Picture #1 | 0 | - | 4.52 | 268,339 |
| Flowers by Picture | 0 | - | 4.46 | 105,114 |
| Art Works Picture Quiz #3 | 0 | - | 4.45 | 48,616 |
| Name that Object #2 | 0 | - | 3.64 | 15,357 |
| Authors by Picture | 0 | - | 4.48 | 25,453 |
| Name that Object #3 | 0 | - | 3.93 | 14,329 |
| Fruit and Vegetable Emojis | 0 | - | 4.42 | 79,790 |
| WWII Figures by Picture | 0 | - | 4.89 | 62,887 |
| College Sports Logos Quiz #3 | 0 | - | 4.30 | 55,387 |
| Planets By Picture Quiz | 0 | - | 4.49 | 56,432 |
| Songs by Picture Quiz #1 | 0 | - | 4.68 | 65,604 |
| Songs by Picture Quiz #2 | 0 | - | 4.42 | 58,616 |
| Oscar Nominated Actors by Picture #1 | 0 | - | 4.42 | 164,765 |
| 1960s Celebrities by Picture #1 | 0 | - | 4.27 | 70,171 |
| 1960s Celebrities by Picture #2 | 0 | - | 4.26 | 51,243 |
| 1950s Celebrities by Picture #1 | 0 | - | 4.24 | 51,017 |
| 1980s Celebrities by Picture #2 | 0 | - | 4.19 | 71,431 |
| 1990s Celebrities by Picture #1 | 0 | - | 4.13 | 79,156 |
| 1990s Celebrities by Picture #2 | 0 | - | 4.16 | 72,110 |
| 2000s Celebrities by Picture #2 | 0 | - | 4.15 | 94,857 |
| 1950s Celebrities by Picture #2 | 0 | - | 4.29 | 46,006 |
| Name that Historical Figure #3 | 0 | - | 4.36 | 238,515 |
| Name that Historical Figure #4 | 0 | - | 4.29 | 158,523 |
| Name that Historical Figure #6 | 0 | - | 4.27 | 92,835 |
| Musicians by Picture #1 | 0 | - | 4.39 | 107,780 |
| Musicians by Picture #2 | 0 | - | 4.29 | 75,731 |
| Musicians by Picture #4 | 0 | - | 4.07 | 64,372 |
| Musicians by Picture #3 | 0 | - | 4.10 | 58,578 |
| Emoji Flags | 0 | - | 4.35 | 43,907 |
| Flag Coloring Book Puzzle #1 | 0 | - | 4.97 | 170,481 |
| Fill the Map of Europe by Guessing Flag Colors | 0 | - | 4.64 | 37,626 |
| Languages by Combined Flags | 0 | - | 4.53 | 99,482 |
| Satellite Images Quiz #3 | 0 | - | 4.35 | 73,304 |
| Satellite Images - Island Chains | 0 | - | 4.43 | 66,002 |
| Islands by Satellite Image #1 | 0 | - | 4.70 | 70,353 |
| Peninsulas by Satellite Image | 0 | - | 4.53 | 27,718 |
| Landmarks Picture Quiz #1 | 0 | - | 4.16 | 393,597 |
| Airline Logos | 0 | - | 4.45 | 140,232 |
