| Pick a Picture - Animal Relations | 0 | - | 4.94 | 54,756 |
| Animals by Close-up Image | 0 | - | 4.42 | 216,468 |
| Aquatic Mammals by Picture | 0 | - | 4.41 | 45,178 |
| Extinct Animals by Picture | 0 | - | 4.49 | 34,875 |
| Mammals by Picture #1 | 0 | - | 4.70 | 91,017 |
| Fish by Picture #1 | 0 | - | 4.41 | 108,026 |
| Birds by Picture #1 | 0 | - | 4.46 | 41,037 |
| Animals A-Z by Picture | 0 | - | 4.08 | 65,836 |
| Mammals by Picture #3 | 0 | - | 4.39 | 61,714 |
| Mammals by Picture #4 | 0 | - | 4.03 | 33,865 |
| Mammals by Picture #2 | 0 | - | 4.28 | 57,798 |
| Birds by Picture #2 | 0 | - | 4.33 | 35,898 |
| Birds by Picture #3 | 0 | - | 4.24 | 32,795 |
| Animals by Skeleton Image | 0 | - | 4.80 | 45,910 |
| Sea Creatures by Picture | 0 | - | 4.27 | 17,575 |
| Countries with Wild Tigers | 0 | - | 4.96 | 135,532 |
| Countries with Wild Penguins | 0 | - | 4.94 | 99,263 |
| Countries with the Most Venomous Animal Species | 0 | - | 4.88 | 86,358 |
| Fish by Picture #2 | 0 | - | 4.08 | 18,375 |
| Countries With The Most Bird Species | 0 | - | 4.92 | 32,176 |
| Countries with the Most Sheep | 0 | - | 4.92 | 102,333 |
| Build-a-Bird by Guessing Countries | 0 | - | 4.99 | 62,212 |
| Countries with the Most Wolves | 0 | - | 4.92 | 106,947 |
| Countries that Catch the Most Fish | 0 | - | 4.90 | 111,403 |
| Countries With Two or More Bear Species | 0 | - | 4.90 | 22,458 |
| Animals that Appear on a Coat of Arms | 0 | - | 4.49 | 24,730 |
| Countries with the Most Wild Elephants | 0 | - | 4.63 | 54,587 |
| Animal Populations of Countries | 0 | - | 4.51 | 43,576 |
| Top 15 Countries with the Most Cows | 0 | - | 4.64 | 92,754 |
| Name that Bug | 0 | - | 4.12 | 45,431 |
| Australian Animals By Picture | 0 | - | 4.45 | 31,427 |
| Former Countries by Territory Map | 0 | - | 4.96 | 101,298 |
| Empires by Maps | 0 | - | 4.98 | 118,134 |
| Merged Company Logos #1 | 0 | - | 4.91 | 105,261 |
| Animals of Australia | 0 | - | 4.52 | 42,136 |
| Countries with More Cows than People | 0 | - | 4.43 | 54,581 |
| North American Bird-Named Teams | 0 | - | 4.43 | 67,597 |
| Countries with NO Snakes | 0 | - | 4.51 | 63,500 |
| Islands by Shape #2 | 0 | - | 4.88 | 58,942 |
| Reptile Picture Quiz | 0 | - | 4.32 | 14,215 |
| Visual Memory Test - Random Cartoons | 0 | - | 4.98 | 102,544 |
| Play-Doh People from History | 0 | - | 4.99 | 93,686 |
| Famous Landmarks Out Of Focus #1 | 0 | - | 4.89 | 60,206 |
| Jeppy in Disguise #1 | 0 | - | 4.92 | 48,645 |
| Jeppy in Disguise #2 | 0 | - | 4.96 | 48,793 |
| Dog Breed Picture Quiz | 0 | - | 4.34 | 205,423 |
| Circular Cutouts from a World Map | 0 | - | 4.98 | 60,943 |
| All Country Flags of the World | 0 | - | 5.00 | 3,593,637 |
| "Big Five" African Game Animals | 0 | - | 4.22 | 47,185 |
| Countries with Wild Lions | 0 | - | 4.77 | 25,932 |
| Top 10 Countries with the Most Horses | 0 | - | 4.49 | 68,625 |
| Where Do Musk Oxen Live? | 0 | - | 4.63 | 15,248 |
| Country Flags Quiz #1 | 0 | - | 4.98 | 2,524,523 |
| Country Flags Quiz #2 | 0 | - | 4.98 | 1,086,579 |
| Country Flags Quiz #3 | 0 | - | 4.97 | 729,079 |
| Asian Countries with NO Wolves | 0 | - | 4.60 | 18,575 |
| Top Countries for Shark Attacks | 0 | - | 4.46 | 45,659 |
| Make a Stained Glass Window | 0 | - | 5.00 | 67,710 |
| Flags with Crescents | 0 | - | 4.98 | 167,248 |
| Country Flag Trivia | 0 | - | 4.81 | 55,764 |
| Country Flags with Eagles - Picture Quiz | 0 | - | 4.98 | 102,215 |
| Country Flags with the Union Jack | 0 | - | 4.87 | 76,332 |
| Pixelated Flag Quiz | 0 | - | 4.98 | 85,715 |
| Flag Emblems Scavenger Hunt | 0 | - | 5.00 | 66,330 |
| Flags by Horizontal Stripes #1 | 0 | - | 4.84 | 84,260 |
| Country Flags with the Sun - Picture Quiz | 0 | - | 4.83 | 51,922 |
| Real vs. Fake Flags | 0 | - | 4.98 | 122,314 |
| National Football Team Logos | 0 | - | 4.84 | 178,376 |
| National Animals | 0 | - | 4.24 | 89,112 |
| Largest Land Animals of Africa | 0 | - | 4.36 | 12,684 |
| Years in History by Picture | 0 | - | 4.44 | 35,043 |
| Famous Foreheads #1 | 0 | - | 4.47 | 74,115 |
| Flags to Languages | 0 | - | 4.95 | 172,325 |
| Bodies of Water by Satellite Image #1 | 0 | - | 4.20 | 71,179 |
| Merged Company Logos #2 | 0 | - | 4.75 | 76,629 |
| Similar Country Flags - Multiple Choice Quiz | 0 | - | 4.96 | 50,136 |
| Animals by Range on a World Map | 0 | - | 4.96 | 25,144 |
| Three Real and One Fake - Country Flags | 0 | - | 4.97 | 83,151 |
| Fruits by Picture | 0 | - | 4.20 | 804,286 |
| Old Movies by Picture | 0 | - | 4.51 | 24,749 |
| Musical Instruments by Picture #2 | 0 | - | 4.24 | 46,622 |
| Name that Historical Figure #1 | 0 | - | 4.63 | 335,211 |
| Geography by Picture - B | 0 | - | 4.42 | 55,383 |
| Geography by Picture - H | 0 | - | 4.49 | 58,016 |
| Geography by Picture - N | 0 | - | 4.45 | 42,030 |
| Geography by Picture - R | 0 | - | 4.55 | 40,862 |
| Geography by Picture - T | 0 | - | 4.54 | 57,647 |
| Name the Pixelated Landmark | 0 | - | 4.84 | 62,342 |
| Car Logos Quiz #1 | 0 | - | 4.44 | 530,981 |
| Random Logos Quiz | 0 | - | 4.32 | 206,836 |
| All North American Pro Sports Logos | 0 | - | 4.70 | 112,957 |
| Pictures by Letter - A | 0 | - | 4.17 | 33,082 |
| Pictures by Letter - J | 0 | - | 4.31 | 39,679 |
| Pictures by Letter - B | 0 | - | 4.31 | 43,558 |
| Pictures by Letter - D | 0 | - | 4.16 | 37,263 |
| Pictures by Letter - M | 0 | - | 4.24 | 37,487 |
| Largest Land Animals of Asia | 0 | - | 3.62 | 8,251 |
| Animals in World History | 0 | - | 4.74 | 44,184 |
| Capital Cities by Body of Water | 0 | - | 4.85 | 57,251 |
| Islands by Shape #1 | 0 | - | 4.32 | 84,167 |
| 1970s Celebrities by Picture #1 | 0 | - | 4.20 | 57,575 |
| 1970s Celebrities by Picture #2 | 0 | - | 4.21 | 50,369 |
| Elements by Picture | 0 | - | 4.27 | 69,483 |
| Rocks and Minerals Picture Quiz | 0 | - | 4.48 | 29,137 |
| Islands by Picture | 0 | - | 4.29 | 105,736 |
| Name that Object #1 | 0 | - | 3.56 | 96,264 |
| Classic Movies by Movie Posters | 0 | - | 4.44 | 23,998 |
| WWII Figures by Picture | 0 | - | 4.85 | 50,397 |
| 1980s Movie Silhouettes | 0 | - | 4.97 | 102,306 |
| Famous Landmarks Out Of Focus #2 | 0 | - | 4.37 | 40,777 |
| 1940s Celebrities by Picture | 0 | - | 4.43 | 47,730 |
| International Footballers by Picture | 0 | - | 4.50 | 54,564 |
| Name that Historical Figure #2 | 0 | - | 4.43 | 282,290 |
| Name that Historical Figure #5 | 0 | - | 4.43 | 106,470 |
| Name that Historical Figure #7 - U.S. Edition | 0 | - | 4.50 | 50,226 |
| Geography by Picture - A | 0 | - | 4.39 | 60,018 |
| Geography by Picture - D | 0 | - | 4.15 | 45,466 |
| Geography by Picture - F | 0 | - | 4.31 | 50,806 |
| Geography by Picture - G | 0 | - | 4.38 | 47,774 |
| Geography by Picture - J | 0 | - | 4.16 | 38,313 |
| Geography by Picture - K | 0 | - | 4.28 | 32,995 |
| Geography by Picture - C | 0 | - | 4.31 | 56,890 |
| Geography by Picture - L | 0 | - | 4.37 | 58,728 |
| Geography by Picture - M | 0 | - | 4.14 | 40,326 |
| Geography by Picture - P | 0 | - | 4.24 | 42,286 |
| Geography by Picture - S | 0 | - | 4.38 | 46,893 |
| Miscellaneous Flags Quiz | 0 | - | 4.42 | 278,048 |
| Country Flags Multiple Choice | 0 | - | 4.97 | 143,309 |
| Flag Maths | 0 | - | 4.78 | 57,663 |
| Satellite Images Quiz #1 | 0 | - | 4.46 | 128,953 |
| Satellite Images Quiz #2 | 0 | - | 4.63 | 108,950 |
| Satellite Images Quiz #4 | 0 | - | 4.55 | 88,615 |
| Bodies of Water by Satellite Image #2 | 0 | - | 4.36 | 19,557 |
| Satellite Images Quiz #5 | 0 | - | 4.48 | 49,612 |
| Satellite Images Quiz #6 | 0 | - | 4.50 | 38,774 |
| Cities by Picture #1 | 0 | - | 4.73 | 85,265 |
| Soccer Team Logos | 0 | - | 4.26 | 370,184 |
| Brand Logos Quiz #1 | 0 | - | 4.83 | 2,398,617 |
| Ultimate Car Logos Quiz | 0 | - | 4.79 | 175,608 |
| Car Logos Quiz #2 | 0 | - | 4.43 | 258,833 |
| Video Game Logos Quiz | 0 | - | 4.40 | 182,442 |
| Movie Logos | 0 | - | 4.33 | 235,465 |
| Brand Logos That Start With M | 0 | - | 4.45 | 61,627 |
| Brand Logos That Start With B | 0 | - | 4.41 | 59,073 |
| Brand Logos That Start with A | 0 | - | 4.51 | 69,114 |
| History by Picture - A | 0 | - | 4.25 | 45,409 |
| History by Picture - B | 0 | - | 4.40 | 48,519 |
| History by Picture - C | 0 | - | 4.36 | 54,023 |
| History by Picture - F | 0 | - | 4.35 | 37,537 |
| History by Picture - G | 0 | - | 4.40 | 41,791 |
| History by Picture - D | 0 | - | 4.32 | 43,955 |
| History by Picture - E | 0 | - | 4.27 | 43,576 |
| History by Picture - H | 0 | - | 4.37 | 36,482 |
| History by Picture - K | 0 | - | 4.35 | 33,063 |
| History by Picture - M | 0 | - | 4.17 | 35,869 |
| History by Picture - N | 0 | - | 4.40 | 40,947 |
| History by Picture - O | 0 | - | 4.39 | 35,984 |
| History by Picture - T | 0 | - | 4.20 | 33,044 |
| Name that Nut, Seed, or Bean | 0 | - | 4.63 | 56,778 |
| Baby, Male and Female Animals | 0 | - | 4.42 | 149,528 |
| Animal Adjectives | 0 | - | 4.77 | 59,803 |
| North American Cat-Named Sports Teams | 0 | - | 4.43 | 33,489 |
| African Great Lakes | 0 | - | 4.82 | 65,017 |
| 100 Longest Rivers in Europe - with a Map | 0 | - | 4.94 | 64,734 |
| Nile River Basin Countries on a Map | 0 | - | 4.95 | 50,159 |
| Countries That Touch the Adriatic Sea | 0 | - | 4.96 | 70,752 |
| Top 10 European Countries by Coastline | 0 | - | 4.89 | 137,773 |
| Top 10 American Countries by Coastline | 0 | - | 4.96 | 88,038 |
| Top 10 Asian Countries by Coastline | 0 | - | 4.92 | 96,099 |
| Art Works Picture Quiz #1 | 0 | - | 4.51 | 118,374 |
| Art Works Picture Quiz #2 | 0 | - | 4.49 | 104,537 |
| Musical Instruments by Picture #1 | 0 | - | 4.53 | 267,769 |
| Flowers by Picture | 0 | - | 4.46 | 104,975 |
| Art Works Picture Quiz #3 | 0 | - | 4.45 | 48,501 |
| Name that Object #2 | 0 | - | 3.64 | 15,299 |
| Authors by Picture | 0 | - | 4.48 | 25,381 |
| Name that Object #3 | 0 | - | 3.93 | 14,285 |
| Fruit and Vegetable Emojis | 0 | - | 4.42 | 79,335 |
| College Sports Logos Quiz #3 | 0 | - | 4.30 | 54,959 |
| Planets By Picture Quiz | 0 | - | 4.49 | 56,085 |
| Songs by Picture Quiz #1 | 0 | - | 4.68 | 65,253 |
| Songs by Picture Quiz #2 | 0 | - | 4.41 | 58,334 |
| Oscar Nominated Actors by Picture #1 | 0 | - | 4.42 | 164,344 |
| 1960s Celebrities by Picture #1 | 0 | - | 4.27 | 69,960 |
| 1960s Celebrities by Picture #2 | 0 | - | 4.26 | 51,071 |
| 1950s Celebrities by Picture #1 | 0 | - | 4.24 | 50,890 |
| 1980s Celebrities by Picture #2 | 0 | - | 4.19 | 71,174 |
| 1990s Celebrities by Picture #1 | 0 | - | 4.13 | 78,920 |
| 1990s Celebrities by Picture #2 | 0 | - | 4.16 | 71,864 |
| 2000s Celebrities by Picture #2 | 0 | - | 4.15 | 94,467 |
| 1950s Celebrities by Picture #2 | 0 | - | 4.29 | 45,891 |
| Name that Historical Figure #3 | 0 | - | 4.36 | 237,435 |
| Name that Historical Figure #4 | 0 | - | 4.29 | 157,864 |
| Name that Historical Figure #6 | 0 | - | 4.27 | 92,298 |
| Musicians by Picture #1 | 0 | - | 4.39 | 106,880 |
| Musicians by Picture #2 | 0 | - | 4.29 | 75,124 |
| Musicians by Picture #4 | 0 | - | 4.07 | 63,911 |
| Musicians by Picture #3 | 0 | - | 4.10 | 58,240 |
| Emoji Flags | 0 | - | 4.35 | 43,784 |
| Flag Coloring Book Puzzle #1 | 0 | - | 4.97 | 169,643 |
