| Birds by Picture #3 | 0 | - | 4.24 | 33,260 |
| Countries With The Most Bird Species | 0 | - | 4.93 | 32,989 |
| Build-a-Bird by Guessing Countries | 0 | - | 4.99 | 63,288 |
| Pick a Picture - Animal Relations | 0 | - | 4.94 | 55,504 |
| Animals by Close-up Image | 0 | - | 4.42 | 218,371 |
| Aquatic Mammals by Picture | 0 | - | 4.41 | 45,723 |
| Extinct Animals by Picture | 0 | - | 4.49 | 35,289 |
| Mammals by Picture #1 | 0 | - | 4.70 | 91,929 |
| Animals by Skeleton Image | 0 | - | 4.81 | 46,596 |
| Fish by Picture #1 | 0 | - | 4.41 | 108,602 |
| Animals A-Z by Picture | 0 | - | 4.08 | 66,544 |
| Mammals by Picture #3 | 0 | - | 4.39 | 62,212 |
| Mammals by Picture #4 | 0 | - | 4.03 | 34,177 |
| Mammals by Picture #2 | 0 | - | 4.28 | 58,301 |
| Australian Animals By Picture | 0 | - | 4.45 | 31,646 |
| Sea Creatures by Picture | 0 | - | 4.27 | 17,732 |
| Animals that Appear on a Coat of Arms | 0 | - | 4.49 | 24,833 |
| Name that Bug | 0 | - | 4.12 | 45,577 |
| Fish by Picture #2 | 0 | - | 4.07 | 18,596 |
| Former Countries by Territory Map | 0 | - | 4.96 | 102,973 |
| Empires by Maps | 0 | - | 4.98 | 120,743 |
| Merged Company Logos #1 | 0 | - | 4.90 | 106,676 |
| Animals of Australia | 0 | - | 4.52 | 42,348 |
| Islands by Shape #2 | 0 | - | 4.88 | 59,314 |
| Reptile Picture Quiz | 0 | - | 4.32 | 14,310 |
| Visual Memory Test - Random Cartoons | 0 | - | 4.98 | 104,559 |
| Play-Doh People from History | 0 | - | 4.99 | 94,928 |
| Famous Landmarks Out Of Focus #1 | 0 | - | 4.89 | 61,144 |
| Jeppy in Disguise #1 | 0 | - | 4.92 | 49,482 |
| Jeppy in Disguise #2 | 0 | - | 4.96 | 49,627 |
| Dog Breed Picture Quiz | 0 | - | 4.34 | 206,280 |
| Circular Cutouts from a World Map | 0 | - | 4.98 | 61,681 |
| All Country Flags of the World | 0 | - | 5.00 | 3,672,825 |
| Country Flags Quiz #1 | 0 | - | 4.98 | 2,538,689 |
| Country Flags Quiz #2 | 0 | - | 4.98 | 1,093,659 |
| Country Flags Quiz #3 | 0 | - | 4.97 | 733,960 |
| Make a Stained Glass Window | 0 | - | 5.00 | 68,613 |
| Flags with Crescents | 0 | - | 4.98 | 169,863 |
| Country Flag Trivia | 0 | - | 4.81 | 57,196 |
| Country Flags with Eagles - Picture Quiz | 0 | - | 4.98 | 103,974 |
| Country Flags with the Union Jack | 0 | - | 4.87 | 77,671 |
| Pixelated Flag Quiz | 0 | - | 4.97 | 87,613 |
| Flag Emblems Scavenger Hunt | 0 | - | 5.00 | 67,393 |
| Flags by Horizontal Stripes #1 | 0 | - | 4.84 | 85,350 |
| Badly Drawn Flags #1 | 0 | - | 4.99 | 60,598 |
| Country Flags with the Sun - Picture Quiz | 0 | - | 4.83 | 52,947 |
| Real vs. Fake Flags | 0 | - | 4.98 | 124,490 |
| Ultimate Car Logos Quiz | 0 | - | 4.81 | 181,225 |
| National Football Team Logos | 0 | - | 4.85 | 180,603 |
| Movies with Animals in the Title #1 | 0 | - | 4.20 | 183,778 |
| Movies with Animals in the Title #2 | 0 | - | 4.28 | 108,585 |
| National Animals | 0 | - | 4.24 | 89,731 |
| Countries with Wild Tigers | 0 | - | 4.96 | 136,914 |
| Countries with Wild Penguins | 0 | - | 4.94 | 100,243 |
| Countries with the Most Venomous Animal Species | 0 | - | 4.87 | 87,258 |
| Years in History by Picture | 0 | - | 4.44 | 35,570 |
| Famous Foreheads #1 | 0 | - | 4.47 | 75,016 |
| Flags to Languages | 0 | - | 4.95 | 173,798 |
| Bodies of Water by Satellite Image #1 | 0 | - | 4.20 | 72,043 |
| Merged Company Logos #2 | 0 | - | 4.75 | 77,678 |
| Similar Country Flags - Multiple Choice Quiz | 0 | - | 4.94 | 50,624 |
| Disney Animals | 0 | - | 4.27 | 240,017 |
| Countries with the Most Sheep | 0 | - | 4.92 | 103,341 |
| Animals by Range on a World Map | 0 | - | 4.96 | 25,596 |
| Three Real and One Fake - Country Flags | 0 | - | 4.97 | 84,231 |
| Fruits by Picture | 0 | - | 4.19 | 807,667 |
| Old Movies by Picture | 0 | - | 4.51 | 25,126 |
| Musical Instruments by Picture #2 | 0 | - | 4.24 | 47,091 |
| Name that Historical Figure #1 | 0 | - | 4.63 | 337,871 |
| Geography by Picture - B | 0 | - | 4.42 | 55,648 |
| Geography by Picture - H | 0 | - | 4.50 | 58,265 |
| Geography by Picture - N | 0 | - | 4.45 | 42,231 |
| Geography by Picture - R | 0 | - | 4.56 | 41,054 |
| Geography by Picture - T | 0 | - | 4.54 | 57,880 |
| Name the Pixelated Landmark | 0 | - | 4.85 | 63,104 |
| Car Logos Quiz #1 | 0 | - | 4.52 | 539,975 |
| Random Logos Quiz | 0 | - | 4.31 | 208,639 |
| All North American Pro Sports Logos | 0 | - | 4.70 | 115,343 |
| Pictures by Letter - A | 0 | - | 4.18 | 33,483 |
| Pictures by Letter - J | 0 | - | 4.31 | 40,104 |
| Pictures by Letter - B | 0 | - | 4.32 | 44,049 |
| Pictures by Letter - D | 0 | - | 4.14 | 37,647 |
| Pictures by Letter - M | 0 | - | 4.24 | 37,856 |
| Animals in the Bible | 0 | - | 4.83 | 36,697 |
| Countries With Two or More Bear Species | 0 | - | 4.90 | 22,781 |
| Countries with the Most Wolves | 0 | - | 4.92 | 108,165 |
| Animals in World History | 0 | - | 4.74 | 44,542 |
| Countries that Catch the Most Fish | 0 | - | 4.90 | 112,589 |
| Islands by Shape #1 | 0 | - | 4.33 | 84,403 |
| 1970s Celebrities by Picture #1 | 0 | - | 4.20 | 58,015 |
| 1970s Celebrities by Picture #2 | 0 | - | 4.21 | 50,744 |
| Elements by Picture | 0 | - | 4.27 | 70,023 |
| Rocks and Minerals Picture Quiz | 0 | - | 4.48 | 29,358 |
| Islands by Picture | 0 | - | 4.28 | 107,129 |
| Name that Object #1 | 0 | - | 3.57 | 96,519 |
| Classic Movies by Movie Posters | 0 | - | 4.45 | 24,293 |
| WWII Figures by Picture | 0 | - | 4.89 | 65,640 |
| 1980s Movie Silhouettes | 0 | - | 4.97 | 103,974 |
| Famous Landmarks Out Of Focus #2 | 0 | - | 4.37 | 41,298 |
| 1940s Celebrities by Picture | 0 | - | 4.43 | 48,062 |
| International Footballers by Picture | 0 | - | 4.50 | 55,764 |
| Name that Historical Figure #2 | 0 | - | 4.42 | 284,832 |
| Name that Historical Figure #5 | 0 | - | 4.43 | 107,840 |
| Name that Historical Figure #7 - U.S. Edition | 0 | - | 4.51 | 50,893 |
| Geography by Picture - A | 0 | - | 4.39 | 60,296 |
| Geography by Picture - D | 0 | - | 4.15 | 45,686 |
| Geography by Picture - F | 0 | - | 4.31 | 51,046 |
| Geography by Picture - G | 0 | - | 4.39 | 47,980 |
| Geography by Picture - J | 0 | - | 4.16 | 38,494 |
| Geography by Picture - K | 0 | - | 4.29 | 33,158 |
| Geography by Picture - C | 0 | - | 4.31 | 57,111 |
| Geography by Picture - L | 0 | - | 4.37 | 59,013 |
| Geography by Picture - M | 0 | - | 4.14 | 40,488 |
| Geography by Picture - P | 0 | - | 4.24 | 42,460 |
| Geography by Picture - S | 0 | - | 4.38 | 47,069 |
| Miscellaneous Flags Quiz | 0 | - | 4.42 | 280,755 |
| Country Flags Multiple Choice | 0 | - | 4.97 | 144,716 |
| Flag Maths | 0 | - | 4.64 | 57,776 |
| Satellite Images #1 | 0 | - | 4.47 | 129,430 |
| Satellite Images Quiz #2 | 0 | - | 4.63 | 109,354 |
| Satellite Images Quiz #4 | 0 | - | 4.55 | 88,957 |
| Bodies of Water by Satellite Image #2 | 0 | - | 4.36 | 19,712 |
| Satellite Images Quiz #5 | 0 | - | 4.52 | 49,976 |
| Satellite Images Quiz #6 | 0 | - | 4.50 | 39,019 |
| Cities by Picture #1 | 0 | - | 4.73 | 86,100 |
| Soccer Team Logos | 0 | - | 4.26 | 375,104 |
| Brand Logos Quiz #1 | 0 | - | 4.83 | 2,425,910 |
| Car Logos Quiz #2 | 0 | - | 4.43 | 262,327 |
| Video Game Logos Quiz | 0 | - | 4.40 | 184,207 |
| Movie Logos | 0 | - | 4.33 | 238,829 |
| Brand Logos That Start with A | 0 | - | 4.52 | 70,507 |
| History by Picture - A | 0 | - | 4.26 | 45,884 |
| History by Picture - B | 0 | - | 4.40 | 49,065 |
| History by Picture - C | 0 | - | 4.36 | 54,573 |
| History by Picture - F | 0 | - | 4.35 | 37,958 |
| History by Picture - G | 0 | - | 4.40 | 42,210 |
| History by Picture - D | 0 | - | 4.29 | 44,385 |
| History by Picture - E | 0 | - | 4.25 | 44,003 |
| History by Picture - H | 0 | - | 4.37 | 36,855 |
| History by Picture - K | 0 | - | 4.35 | 33,417 |
| History by Picture - M | 0 | - | 4.17 | 36,200 |
| History by Picture - N | 0 | - | 4.40 | 41,328 |
| History by Picture - O | 0 | - | 4.39 | 36,374 |
| History by Picture - T | 0 | - | 4.20 | 33,365 |
| Name that Nut, Seed, or Bean | 0 | - | 4.63 | 57,365 |
| Countries with the Most Wild Elephants | 0 | - | 4.63 | 55,005 |
| Animal Populations of Countries | 0 | - | 4.52 | 43,906 |
| North American Cat-Named Sports Teams | 0 | - | 4.43 | 33,708 |
| Top 15 Countries with the Most Cows | 0 | - | 4.73 | 107,207 |
| Countries That Touch the Adriatic Sea | 0 | - | 4.96 | 71,149 |
| Top 10 European Countries by Coastline | 0 | - | 4.87 | 138,451 |
| Top 10 Asian Countries by Coastline | 0 | - | 4.92 | 96,500 |
| Art Works Picture Quiz #1 | 0 | - | 4.51 | 119,406 |
| Art Works Picture Quiz #2 | 0 | - | 4.49 | 105,459 |
| Musical Instruments by Picture #1 | 0 | - | 4.52 | 269,133 |
| Flowers by Picture | 0 | - | 4.46 | 105,700 |
| Art Works Picture Quiz #3 | 0 | - | 4.45 | 48,809 |
| Name that Object #2 | 0 | - | 3.64 | 15,463 |
| Authors by Picture | 0 | - | 4.48 | 25,547 |
| Name that Object #3 | 0 | - | 3.93 | 14,416 |
| Fruit and Vegetable Emojis | 0 | - | 4.44 | 90,125 |
| College Sports Logos Quiz #3 | 0 | - | 4.30 | 55,876 |
| Planets By Picture Quiz | 0 | - | 4.49 | 56,940 |
| Songs by Picture Quiz #1 | 0 | - | 4.68 | 66,097 |
| Songs by Picture Quiz #2 | 0 | - | 4.42 | 58,958 |
| Oscar Nominated Actors by Picture #1 | 0 | - | 4.42 | 165,284 |
| 1960s Celebrities by Picture #1 | 0 | - | 4.27 | 70,501 |
| 1960s Celebrities by Picture #2 | 0 | - | 4.26 | 51,479 |
| 1950s Celebrities by Picture #1 | 0 | - | 4.24 | 51,222 |
| 1980s Celebrities by Picture #2 | 0 | - | 4.19 | 71,807 |
| 1990s Celebrities by Picture #1 | 0 | - | 4.14 | 79,509 |
| 1990s Celebrities by Picture #2 | 0 | - | 4.16 | 72,517 |
| 2000s Celebrities by Picture #2 | 0 | - | 4.15 | 95,684 |
| 1950s Celebrities by Picture #2 | 0 | - | 4.29 | 46,199 |
| Name that Historical Figure #3 | 0 | - | 4.36 | 239,622 |
| Name that Historical Figure #4 | 0 | - | 4.29 | 159,314 |
| Name that Historical Figure #6 | 0 | - | 4.26 | 93,455 |
| Musicians by Picture #1 | 0 | - | 4.37 | 109,029 |
| Musicians by Picture #2 | 0 | - | 4.29 | 76,636 |
| Musicians by Picture #4 | 0 | - | 4.07 | 65,052 |
| Musicians by Picture #3 | 0 | - | 4.10 | 59,097 |
| Emoji Flags | 0 | - | 4.35 | 44,133 |
| Flag Coloring Book Puzzle #1 | 0 | - | 4.96 | 171,736 |
| Fill the Map of Europe by Guessing Flag Colors | 0 | - | 4.68 | 37,941 |
| Languages by Combined Flags | 0 | - | 4.53 | 100,130 |
| Satellite Images Quiz #3 | 0 | - | 4.35 | 73,426 |
| Satellite Images - Island Chains | 0 | - | 4.43 | 66,525 |
| Islands by Satellite Image #1 | 0 | - | 4.70 | 70,837 |
| Peninsulas by Satellite Image | 0 | - | 4.53 | 27,838 |
| Landmarks Picture Quiz #1 | 0 | - | 4.16 | 394,763 |
| Airline Logos | 0 | - | 4.45 | 140,879 |
| Fast Food Logos Quiz | 0 | - | 4.45 | 248,609 |
| Mostly-American Candy Logos | 0 | - | 4.14 | 159,231 |
| Brand Logos That Start With M | 0 | - | 4.40 | 62,992 |
| Brand Logos That Start With S | 0 | - | 4.37 | 57,793 |
| Brand Logos That Start With B | 0 | - | 4.38 | 60,120 |
| Brand Logos That Start With D | 0 | - | 4.37 | 61,700 |
| Brand Logos That Start With L | 0 | - | 4.39 | 61,306 |
| Brand Logos That Start With C | 0 | - | 4.17 | 49,778 |
| Pictures by Letter - E | 0 | - | 3.51 | 34,532 |
