| Pick a Picture - Animal Relations | 0 | - | 4.94 | 55,425 |
| Animals by Skeleton Image | 0 | - | 4.81 | 46,507 |
| Animals by Close-up Image | 0 | - | 4.42 | 217,887 |
| Aquatic Mammals by Picture | 0 | - | 4.41 | 45,652 |
| Extinct Animals by Picture | 0 | - | 4.49 | 35,238 |
| Mammals by Picture #1 | 0 | - | 4.70 | 91,839 |
| Fish by Picture #1 | 0 | - | 4.41 | 108,551 |
| Birds by Picture #1 | 0 | - | 4.47 | 41,656 |
| Animals A-Z by Picture | 0 | - | 4.08 | 66,473 |
| Mammals by Picture #3 | 0 | - | 4.39 | 62,131 |
| Mammals by Picture #4 | 0 | - | 4.03 | 34,140 |
| Mammals by Picture #2 | 0 | - | 4.28 | 58,253 |
| Birds by Picture #2 | 0 | - | 4.33 | 36,396 |
| Birds by Picture #3 | 0 | - | 4.24 | 33,213 |
| Sea Creatures by Picture | 0 | - | 4.27 | 17,716 |
| Countries with Wild Tigers | 0 | - | 4.96 | 136,824 |
| Countries with Wild Penguins | 0 | - | 4.94 | 100,173 |
| Countries with the Most Venomous Animal Species | 0 | - | 4.87 | 87,196 |
| Fish by Picture #2 | 0 | - | 4.07 | 18,569 |
| Countries With The Most Bird Species | 0 | - | 4.93 | 32,954 |
| Countries with the Most Sheep | 0 | - | 4.92 | 103,264 |
| Build-a-Bird by Guessing Countries | 0 | - | 4.99 | 63,204 |
| Countries With Two or More Bear Species | 0 | - | 4.90 | 22,764 |
| Countries with the Most Wolves | 0 | - | 4.92 | 108,083 |
| Countries that Catch the Most Fish | 0 | - | 4.90 | 112,506 |
| Animals that Appear on a Coat of Arms | 0 | - | 4.49 | 24,823 |
| Countries with the Most Wild Elephants | 0 | - | 4.63 | 54,976 |
| Animal Populations of Countries | 0 | - | 4.52 | 43,884 |
| Top 15 Countries with the Most Cows | 0 | - | 4.74 | 106,954 |
| Name that Bug | 0 | - | 4.12 | 45,564 |
| Former Countries by Territory Map | 0 | - | 4.96 | 102,820 |
| Empires by Maps | 0 | - | 4.98 | 120,498 |
| Merged Company Logos #1 | 0 | - | 4.90 | 106,531 |
| Australian Animals By Picture | 0 | - | 4.45 | 31,613 |
| Animals of Australia | 0 | - | 4.52 | 42,325 |
| Countries with More Cows than People | 0 | - | 4.45 | 61,323 |
| North American Bird-Named Teams | 0 | - | 4.44 | 67,876 |
| Countries with NO Snakes | 0 | - | 4.51 | 63,585 |
| All Country Flags of the World | 0 | - | 5.00 | 3,665,257 |
| "Big Five" African Game Animals | 0 | - | 4.22 | 47,382 |
| Countries with Wild Lions | 0 | - | 4.77 | 26,320 |
| Where Do Musk Oxen Live? | 0 | - | 4.63 | 15,309 |
| Islands by Shape #2 | 0 | - | 4.88 | 59,280 |
| Reptile Picture Quiz | 0 | - | 4.32 | 14,301 |
| Visual Memory Test - Random Cartoons | 0 | - | 4.98 | 104,377 |
| Play-Doh People from History | 0 | - | 4.99 | 94,806 |
| Famous Landmarks Out Of Focus #1 | 0 | - | 4.89 | 61,061 |
| Jeppy in Disguise #1 | 0 | - | 4.92 | 49,400 |
| Jeppy in Disguise #2 | 0 | - | 4.96 | 49,549 |
| Dog Breed Picture Quiz | 0 | - | 4.34 | 206,189 |
| Circular Cutouts from a World Map | 0 | - | 4.98 | 61,624 |
| Country Flags Quiz #1 | 0 | - | 4.98 | 2,537,408 |
| Country Flags Quiz #2 | 0 | - | 4.98 | 1,093,030 |
| Country Flags Quiz #3 | 0 | - | 4.97 | 733,505 |
| Top 10 Countries with the Most Horses | 0 | - | 4.49 | 69,038 |
| Make a Stained Glass Window | 0 | - | 4.99 | 68,529 |
| Flags with Crescents | 0 | - | 4.98 | 169,626 |
| Country Flag Trivia | 0 | - | 4.81 | 57,071 |
| Country Flags with Eagles - Picture Quiz | 0 | - | 4.98 | 103,805 |
| Country Flags with the Union Jack | 0 | - | 4.87 | 77,531 |
| Pixelated Flag Quiz | 0 | - | 4.97 | 87,464 |
| Flag Emblems Scavenger Hunt | 0 | - | 5.00 | 67,286 |
| Flags by Horizontal Stripes #1 | 0 | - | 4.84 | 85,253 |
| Badly Drawn Flags #1 | 0 | - | 4.99 | 60,515 |
| Country Flags with the Sun - Picture Quiz | 0 | - | 4.83 | 52,835 |
| Real vs. Fake Flags | 0 | - | 4.98 | 124,287 |
| Ultimate Car Logos Quiz | 0 | - | 4.81 | 180,631 |
| National Football Team Logos | 0 | - | 4.85 | 180,407 |
| Asian Countries with NO Wolves | 0 | - | 4.60 | 18,844 |
| Largest Land Animals of Africa | 0 | - | 4.36 | 12,755 |
| Top Countries for Shark Attacks | 0 | - | 4.47 | 45,827 |
| Years in History by Picture | 0 | - | 4.44 | 35,524 |
| Famous Foreheads #1 | 0 | - | 4.47 | 74,932 |
| Merged Company Logos #2 | 0 | - | 4.75 | 77,586 |
| National Animals | 0 | - | 4.24 | 89,679 |
| Flags to Languages | 0 | - | 4.95 | 173,658 |
| Bodies of Water by Satellite Image #1 | 0 | - | 4.20 | 71,974 |
| Similar Country Flags - Multiple Choice Quiz | 0 | - | 4.94 | 50,546 |
| Animals by Range on a World Map | 0 | - | 4.96 | 25,556 |
| Three Real and One Fake - Country Flags | 0 | - | 4.97 | 84,123 |
| Fruits by Picture | 0 | - | 4.19 | 807,343 |
| Old Movies by Picture | 0 | - | 4.51 | 25,103 |
| Musical Instruments by Picture #2 | 0 | - | 4.24 | 47,040 |
| Name that Object #1 | 0 | - | 3.57 | 96,506 |
| Name that Historical Figure #1 | 0 | - | 4.63 | 337,610 |
| Geography by Picture - B | 0 | - | 4.42 | 55,613 |
| Geography by Picture - H | 0 | - | 4.50 | 58,239 |
| Geography by Picture - N | 0 | - | 4.45 | 42,208 |
| Geography by Picture - R | 0 | - | 4.56 | 41,030 |
| Geography by Picture - T | 0 | - | 4.54 | 57,850 |
| Name the Pixelated Landmark | 0 | - | 4.85 | 63,028 |
| Car Logos Quiz #1 | 0 | - | 4.45 | 539,226 |
| Random Logos Quiz | 0 | - | 4.31 | 208,480 |
| All North American Pro Sports Logos | 0 | - | 4.70 | 115,143 |
| Pictures by Letter - A | 0 | - | 4.17 | 33,440 |
| Pictures by Letter - J | 0 | - | 4.31 | 40,056 |
| Pictures by Letter - B | 0 | - | 4.31 | 43,996 |
| Pictures by Letter - D | 0 | - | 4.13 | 37,606 |
| Pictures by Letter - M | 0 | - | 4.24 | 37,820 |
| Largest Land Animals of Asia | 0 | - | 3.64 | 8,303 |
| Animals in World History | 0 | - | 4.74 | 44,503 |
| Capital Cities by Body of Water | 0 | - | 4.85 | 57,672 |
| Islands by Shape #1 | 0 | - | 4.32 | 84,373 |
| 1970s Celebrities by Picture #1 | 0 | - | 4.20 | 57,971 |
| 1970s Celebrities by Picture #2 | 0 | - | 4.21 | 50,708 |
| Elements by Picture | 0 | - | 4.27 | 69,971 |
| Rocks and Minerals Picture Quiz | 0 | - | 4.48 | 29,327 |
| Islands by Picture | 0 | - | 4.28 | 106,996 |
| Classic Movies by Movie Posters | 0 | - | 4.45 | 24,274 |
| 1980s Movie Silhouettes | 0 | - | 4.97 | 103,847 |
| Famous Landmarks Out Of Focus #2 | 0 | - | 4.37 | 41,238 |
| 1940s Celebrities by Picture | 0 | - | 4.43 | 48,030 |
| International Footballers by Picture | 0 | - | 4.50 | 55,642 |
| Name that Historical Figure #2 | 0 | - | 4.42 | 284,623 |
| Name that Historical Figure #5 | 0 | - | 4.43 | 107,711 |
| Name that Historical Figure #7 - U.S. Edition | 0 | - | 4.51 | 50,825 |
| Geography by Picture - A | 0 | - | 4.39 | 60,266 |
| Geography by Picture - D | 0 | - | 4.15 | 45,667 |
| Geography by Picture - F | 0 | - | 4.31 | 51,013 |
| Geography by Picture - G | 0 | - | 4.38 | 47,955 |
| Geography by Picture - J | 0 | - | 4.16 | 38,471 |
| Geography by Picture - K | 0 | - | 4.29 | 33,134 |
| Geography by Picture - C | 0 | - | 4.31 | 57,080 |
| Geography by Picture - L | 0 | - | 4.37 | 58,974 |
| Geography by Picture - M | 0 | - | 4.14 | 40,468 |
| Geography by Picture - P | 0 | - | 4.24 | 42,443 |
| Geography by Picture - S | 0 | - | 4.38 | 47,046 |
| Miscellaneous Flags Quiz | 0 | - | 4.42 | 280,516 |
| Country Flags Multiple Choice | 0 | - | 4.97 | 144,585 |
| Flag Maths | 0 | - | 4.64 | 57,763 |
| Satellite Images #1 | 0 | - | 4.47 | 129,390 |
| Satellite Images Quiz #2 | 0 | - | 4.63 | 109,320 |
| Satellite Images Quiz #4 | 0 | - | 4.55 | 88,928 |
| Bodies of Water by Satellite Image #2 | 0 | - | 4.36 | 19,699 |
| Satellite Images Quiz #5 | 0 | - | 4.52 | 49,939 |
| Satellite Images Quiz #6 | 0 | - | 4.50 | 38,997 |
| Cities by Picture #1 | 0 | - | 4.73 | 86,023 |
| Soccer Team Logos | 0 | - | 4.26 | 374,627 |
| Brand Logos Quiz #1 | 0 | - | 4.83 | 2,423,349 |
| Car Logos Quiz #2 | 0 | - | 4.43 | 262,038 |
| Video Game Logos Quiz | 0 | - | 4.40 | 184,047 |
| Movie Logos | 0 | - | 4.33 | 238,537 |
| Brand Logos That Start with A | 0 | - | 4.52 | 70,367 |
| History by Picture - A | 0 | - | 4.26 | 45,830 |
| History by Picture - B | 0 | - | 4.40 | 49,011 |
| History by Picture - C | 0 | - | 4.36 | 54,525 |
| History by Picture - F | 0 | - | 4.35 | 37,918 |
| History by Picture - G | 0 | - | 4.40 | 42,174 |
| History by Picture - D | 0 | - | 4.29 | 44,344 |
| History by Picture - E | 0 | - | 4.25 | 43,962 |
| History by Picture - H | 0 | - | 4.37 | 36,825 |
| History by Picture - K | 0 | - | 4.35 | 33,384 |
| History by Picture - M | 0 | - | 4.17 | 36,178 |
| History by Picture - N | 0 | - | 4.40 | 41,293 |
| History by Picture - O | 0 | - | 4.39 | 36,346 |
| History by Picture - T | 0 | - | 4.20 | 33,338 |
| Name that Nut, Seed, or Bean | 0 | - | 4.63 | 57,310 |
| Baby, Male and Female Animals | 0 | - | 4.43 | 150,478 |
| Animal Adjectives | 0 | - | 4.77 | 60,020 |
| North American Cat-Named Sports Teams | 0 | - | 4.43 | 33,690 |
| African Great Lakes | 0 | - | 4.82 | 66,259 |
| Art Works Picture Quiz #1 | 0 | - | 4.51 | 119,136 |
| Art Works Picture Quiz #2 | 0 | - | 4.49 | 105,340 |
| Musical Instruments by Picture #1 | 0 | - | 4.52 | 268,966 |
| Flowers by Picture | 0 | - | 4.46 | 105,657 |
| Art Works Picture Quiz #3 | 0 | - | 4.45 | 48,746 |
| Name that Object #2 | 0 | - | 3.64 | 15,452 |
| Authors by Picture | 0 | - | 4.48 | 25,538 |
| Name that Object #3 | 0 | - | 3.93 | 14,406 |
| Fruit and Vegetable Emojis | 0 | - | 4.44 | 89,700 |
| WWII Figures by Picture | 0 | - | 4.89 | 65,536 |
| College Sports Logos Quiz #3 | 0 | - | 4.30 | 55,793 |
| Planets By Picture Quiz | 0 | - | 4.49 | 56,861 |
| Songs by Picture Quiz #1 | 0 | - | 4.68 | 66,011 |
| Songs by Picture Quiz #2 | 0 | - | 4.42 | 58,889 |
| Oscar Nominated Actors by Picture #1 | 0 | - | 4.42 | 165,195 |
| 1960s Celebrities by Picture #1 | 0 | - | 4.27 | 70,440 |
| 1960s Celebrities by Picture #2 | 0 | - | 4.26 | 51,442 |
| 1950s Celebrities by Picture #1 | 0 | - | 4.24 | 51,199 |
| 1980s Celebrities by Picture #2 | 0 | - | 4.19 | 71,744 |
| 1990s Celebrities by Picture #1 | 0 | - | 4.13 | 79,455 |
| 1990s Celebrities by Picture #2 | 0 | - | 4.16 | 72,457 |
| 2000s Celebrities by Picture #2 | 0 | - | 4.15 | 95,602 |
| 1950s Celebrities by Picture #2 | 0 | - | 4.29 | 46,174 |
| Name that Historical Figure #3 | 0 | - | 4.36 | 239,420 |
| Name that Historical Figure #4 | 0 | - | 4.29 | 159,178 |
| Name that Historical Figure #6 | 0 | - | 4.26 | 93,337 |
| Musicians by Picture #1 | 0 | - | 4.37 | 108,824 |
| Musicians by Picture #2 | 0 | - | 4.29 | 76,470 |
| Musicians by Picture #4 | 0 | - | 4.07 | 64,935 |
| Musicians by Picture #3 | 0 | - | 4.10 | 59,015 |
| Emoji Flags | 0 | - | 4.35 | 44,101 |
| Flag Coloring Book Puzzle #1 | 0 | - | 4.97 | 171,478 |
| Fill the Map of Europe by Guessing Flag Colors | 0 | - | 4.67 | 37,876 |
| Languages by Combined Flags | 0 | - | 4.53 | 100,030 |
| Satellite Images Quiz #3 | 0 | - | 4.35 | 73,408 |
| Satellite Images - Island Chains | 0 | - | 4.43 | 66,441 |
| Islands by Satellite Image #1 | 0 | - | 4.70 | 70,761 |
| Peninsulas by Satellite Image | 0 | - | 4.53 | 27,814 |
| Landmarks Picture Quiz #1 | 0 | - | 4.16 | 394,565 |
