| Pictures by Letter - A | 0 | - | 4.17 | 33,165 |
| Pictures by Letter - J | 0 | - | 4.31 | 39,763 |
| Pictures by Letter - B | 0 | - | 4.31 | 43,660 |
| Pictures by Letter - D | 0 | - | 4.16 | 37,346 |
| Pictures by Letter - M | 0 | - | 4.24 | 37,554 |
| Former Countries by Territory Map | 0 | - | 4.96 | 101,763 |
| Empires by Maps | 0 | - | 4.98 | 118,759 |
| Pictures by Letter - E | 0 | - | 3.49 | 34,306 |
| Pictures by Letter - G | 0 | - | 4.14 | 27,949 |
| Pictures by Letter - L | 0 | - | 4.14 | 30,365 |
| Pictures by Letter - F | 0 | - | 4.17 | 28,838 |
| Pictures by Letter - Z | 0 | - | 4.05 | 23,323 |
| Pictures by Letter - Y | 0 | - | 4.22 | 26,132 |
| Pictures by Letter - R | 0 | - | 4.09 | 24,611 |
| Pictures by Letter - K | 0 | - | 4.18 | 24,952 |
| Pictures by Letter - I | 0 | - | 4.16 | 30,207 |
| Pictures by Letter - P | 0 | - | 4.05 | 25,892 |
| Pictures by Letter - U | 0 | - | 4.10 | 20,646 |
| Pictures by Letter - T | 0 | - | 4.34 | 27,513 |
| Islands by Shape #2 | 0 | - | 4.88 | 59,027 |
| Visual Memory Test - Random Cartoons | 0 | - | 4.98 | 102,945 |
| Circular Cutouts from a World Map | 0 | - | 4.98 | 61,109 |
| All Country Flags of the World | 0 | - | 5.00 | 3,610,633 |
| Pictures by Letter - H | 0 | - | 3.97 | 30,309 |
| Pictures by Letter - C | 0 | - | 3.99 | 30,022 |
| Pictures by Letter - O | 0 | - | 3.98 | 28,539 |
| Pictures by Letter - Q | 0 | - | 3.92 | 20,304 |
| Pictures by Letter - S | 0 | - | 3.82 | 20,811 |
| Pictures by Letter - W | 0 | - | 3.92 | 20,018 |
| Pictures by Letter - V | 0 | - | 4.00 | 17,863 |
| Years in History by Picture | 0 | - | 4.44 | 35,158 |
| Famous Foreheads #1 | 0 | - | 4.47 | 74,304 |
| Country Flags Quiz #1 | 0 | - | 4.98 | 2,527,856 |
| Country Flags Quiz #2 | 0 | - | 4.98 | 1,088,126 |
| Country Flags Quiz #3 | 0 | - | 4.98 | 730,177 |
| Name that Object #1 | 0 | - | 3.56 | 96,329 |
| Make a Stained Glass Window | 0 | - | 5.00 | 67,904 |
| Flags with Crescents | 0 | - | 4.98 | 167,830 |
| Country Flag Trivia | 0 | - | 4.81 | 56,063 |
| Country Flags with Eagles - Picture Quiz | 0 | - | 4.98 | 102,580 |
| Country Flags with the Union Jack | 0 | - | 4.87 | 76,573 |
| Pixelated Flag Quiz | 0 | - | 4.98 | 86,083 |
| Flag Emblems Scavenger Hunt | 0 | - | 5.00 | 66,563 |
| Flags by Horizontal Stripes #1 | 0 | - | 4.84 | 84,479 |
| Country Flags with the Sun - Picture Quiz | 0 | - | 4.83 | 52,149 |
| National Football Team Logos | 0 | - | 4.84 | 178,901 |
| Old Movies by Picture | 0 | - | 4.51 | 24,857 |
| Musical Instruments by Picture #2 | 0 | - | 4.24 | 46,730 |
| Random Logos Quiz | 0 | - | 4.31 | 207,201 |
| Fruits by Picture | 0 | - | 4.20 | 805,021 |
| Geography by Picture - B | 0 | - | 4.42 | 55,444 |
| Geography by Picture - H | 0 | - | 4.50 | 58,071 |
| Geography by Picture - N | 0 | - | 4.45 | 42,066 |
| Geography by Picture - R | 0 | - | 4.55 | 40,894 |
| Geography by Picture - T | 0 | - | 4.54 | 57,703 |
| Flags to Languages | 0 | - | 4.95 | 172,654 |
| All North American Pro Sports Logos | 0 | - | 4.70 | 113,521 |
| Similar Country Flags - Multiple Choice Quiz | 0 | - | 4.94 | 50,168 |
| Three Real and One Fake - Country Flags | 0 | - | 4.97 | 83,378 |
| Name that Object #2 | 0 | - | 3.64 | 15,340 |
| Name that Object #3 | 0 | - | 3.93 | 14,315 |
| Pick a Picture - Animal Relations | 0 | - | 4.94 | 54,918 |
| Name that Historical Figure #1 | 0 | - | 4.63 | 335,777 |
| Name the Pixelated Landmark | 0 | - | 4.84 | 62,525 |
| Car Logos Quiz #1 | 0 | - | 4.44 | 532,944 |
| Name that Bug | 0 | - | 4.12 | 45,462 |
| Islands by Shape #1 | 0 | - | 4.32 | 84,200 |
| 1970s Celebrities by Picture #1 | 0 | - | 4.20 | 57,659 |
| 1970s Celebrities by Picture #2 | 0 | - | 4.21 | 50,444 |
| Elements by Picture | 0 | - | 4.28 | 69,616 |
| Rocks and Minerals Picture Quiz | 0 | - | 4.48 | 29,175 |
| Islands by Picture | 0 | - | 4.29 | 106,048 |
| Classic Movies by Movie Posters | 0 | - | 4.44 | 24,080 |
| Animals by Skeleton Image | 0 | - | 4.80 | 46,051 |
| Animals by Close-up Image | 0 | - | 4.42 | 217,009 |
| Aquatic Mammals by Picture | 0 | - | 4.41 | 45,305 |
| Extinct Animals by Picture | 0 | - | 4.49 | 34,967 |
| Mammals by Picture #1 | 0 | - | 4.70 | 91,207 |
| 1940s Celebrities by Picture | 0 | - | 4.43 | 47,803 |
| International Footballers by Picture | 0 | - | 4.50 | 54,862 |
| Name that Historical Figure #2 | 0 | - | 4.43 | 282,926 |
| Name that Historical Figure #5 | 0 | - | 4.43 | 106,768 |
| Name that Historical Figure #7 - U.S. Edition | 0 | - | 4.50 | 50,362 |
| Geography by Picture - A | 0 | - | 4.39 | 60,070 |
| Geography by Picture - D | 0 | - | 4.15 | 45,519 |
| Geography by Picture - F | 0 | - | 4.31 | 50,851 |
| Geography by Picture - G | 0 | - | 4.38 | 47,817 |
| Geography by Picture - J | 0 | - | 4.16 | 38,350 |
| Geography by Picture - K | 0 | - | 4.29 | 33,032 |
| Geography by Picture - C | 0 | - | 4.31 | 56,936 |
| Geography by Picture - L | 0 | - | 4.37 | 58,788 |
| Geography by Picture - M | 0 | - | 4.14 | 40,359 |
| Geography by Picture - P | 0 | - | 4.24 | 42,319 |
| Geography by Picture - S | 0 | - | 4.38 | 46,932 |
| Miscellaneous Flags Quiz | 0 | - | 4.42 | 278,681 |
| Flag Maths | 0 | - | 4.78 | 57,689 |
| Satellite Images #1 | 0 | - | 4.46 | 129,062 |
| Satellite Images Quiz #2 | 0 | - | 4.63 | 109,030 |
| Satellite Images Quiz #4 | 0 | - | 4.55 | 88,683 |
| Satellite Images Quiz #5 | 0 | - | 4.48 | 49,685 |
| Satellite Images Quiz #6 | 0 | - | 4.50 | 38,831 |
| Cities by Picture #1 | 0 | - | 4.73 | 85,444 |
| Soccer Team Logos | 0 | - | 4.26 | 371,310 |
| Ultimate Car Logos Quiz | 0 | - | 4.80 | 176,805 |
| Car Logos Quiz #2 | 0 | - | 4.43 | 259,594 |
| Video Game Logos Quiz | 0 | - | 4.40 | 182,840 |
| Movie Logos | 0 | - | 4.33 | 236,244 |
| Brand Logos That Start With M | 0 | - | 4.45 | 61,902 |
| Brand Logos That Start With B | 0 | - | 4.41 | 59,317 |
| Brand Logos That Start with A | 0 | - | 4.51 | 69,414 |
| History by Picture - A | 0 | - | 4.25 | 45,504 |
| History by Picture - B | 0 | - | 4.40 | 48,633 |
| History by Picture - C | 0 | - | 4.36 | 54,143 |
| History by Picture - F | 0 | - | 4.35 | 37,631 |
| History by Picture - G | 0 | - | 4.40 | 41,892 |
| History by Picture - D | 0 | - | 4.29 | 44,056 |
| History by Picture - E | 0 | - | 4.27 | 43,671 |
| History by Picture - H | 0 | - | 4.37 | 36,585 |
| History by Picture - K | 0 | - | 4.35 | 33,146 |
| History by Picture - M | 0 | - | 4.17 | 35,944 |
| History by Picture - N | 0 | - | 4.40 | 41,036 |
| History by Picture - O | 0 | - | 4.39 | 36,078 |
| History by Picture - T | 0 | - | 4.20 | 33,132 |
| Name that Nut, Seed, or Bean | 0 | - | 4.63 | 56,919 |
| 1980s Movie Silhouettes | 0 | - | 4.97 | 102,876 |
| Country Flags Multiple Choice | 0 | - | 4.97 | 143,615 |
| Brand Logos Quiz #1 | 0 | - | 4.83 | 2,404,809 |
| Art Works Picture Quiz #1 | 0 | - | 4.51 | 118,557 |
| Art Works Picture Quiz #2 | 0 | - | 4.49 | 104,777 |
| Musical Instruments by Picture #1 | 0 | - | 4.52 | 268,060 |
| Foods by Picture | 0 | - | 3.81 | 225,577 |
| Flowers by Picture | 0 | - | 4.46 | 105,049 |
| Junk Foods by Picture | 0 | - | 3.69 | 96,069 |
| Art Works Picture Quiz #3 | 0 | - | 4.45 | 48,563 |
| Christmas by Picture | 0 | - | 4.25 | 28,114 |
| Hats by Picture | 0 | - | 4.21 | 17,910 |
| Weapons by Picture | 0 | - | 4.13 | 20,903 |
| Cars by Picture | 0 | - | 3.89 | 41,136 |
| Reptile Picture Quiz | 0 | - | 4.32 | 14,241 |
| Authors by Picture | 0 | - | 4.48 | 25,412 |
| Plants by Picture | 0 | - | 4.24 | 14,356 |
| Fruit and Vegetable Emojis | 0 | - | 4.42 | 79,603 |
| WWII Figures by Picture | 0 | - | 4.85 | 50,618 |
| College Sports Logos Quiz #3 | 0 | - | 4.30 | 55,216 |
| Planets By Picture Quiz | 0 | - | 4.49 | 56,282 |
| Songs by Picture Quiz #1 | 0 | - | 4.68 | 65,453 |
| Songs by Picture Quiz #2 | 0 | - | 4.41 | 58,485 |
| Fish by Picture #1 | 0 | - | 4.41 | 108,153 |
| Animals A-Z by Picture | 0 | - | 4.08 | 65,988 |
| Mammals by Picture #3 | 0 | - | 4.39 | 61,811 |
| Mammals by Picture #4 | 0 | - | 4.03 | 33,937 |
| Birds by Picture #1 | 0 | - | 4.47 | 41,200 |
| Mammals by Picture #2 | 0 | - | 4.28 | 57,919 |
| Oscar Nominated Actors by Picture #1 | 0 | - | 4.42 | 164,523 |
| 1960s Celebrities by Picture #1 | 0 | - | 4.27 | 70,071 |
| 1960s Celebrities by Picture #2 | 0 | - | 4.26 | 51,166 |
| 1950s Celebrities by Picture #1 | 0 | - | 4.24 | 50,952 |
| 1980s Celebrities by Picture #2 | 0 | - | 4.19 | 71,300 |
| 1990s Celebrities by Picture #1 | 0 | - | 4.13 | 79,049 |
| 1990s Celebrities by Picture #2 | 0 | - | 4.16 | 72,002 |
| 2000s Celebrities by Picture #2 | 0 | - | 4.15 | 94,687 |
| Women in History by Picture | 0 | - | 4.25 | 25,781 |
| 1950s Celebrities by Picture #2 | 0 | - | 4.29 | 45,958 |
| Famous Foreheads #2 | 0 | - | 3.17 | 15,673 |
| Name that Historical Figure #3 | 0 | - | 4.36 | 237,854 |
| Name that Historical Figure #4 | 0 | - | 4.29 | 158,172 |
| Name that Historical Figure #6 | 0 | - | 4.27 | 92,530 |
| Musicians by Picture #1 | 0 | - | 4.39 | 107,355 |
| Musicians by Picture #2 | 0 | - | 4.29 | 75,450 |
| Musicians by Picture #4 | 0 | - | 4.07 | 64,163 |
| Musicians by Picture #3 | 0 | - | 4.10 | 58,409 |
| Geography by Picture - E | 0 | - | 3.55 | 47,292 |
| Landforms by Picture | 0 | - | 4.31 | 20,586 |
| Geography by Picture - I | 0 | - | 4.00 | 39,332 |
| Emoji Flags | 0 | - | 4.35 | 43,850 |
| Fill the Map of Europe by Guessing Flag Colors | 0 | - | 4.64 | 37,512 |
| Languages by Combined Flags | 0 | - | 4.53 | 99,266 |
| Satellite Images Quiz #3 | 0 | - | 4.35 | 73,264 |
| Satellite Images - Island Chains | 0 | - | 4.43 | 65,811 |
| Islands by Satellite Image #1 | 0 | - | 4.70 | 70,171 |
| Peninsulas by Satellite Image | 0 | - | 4.53 | 27,683 |
| Landmarks Picture Quiz #1 | 0 | - | 4.16 | 393,198 |
| Airline Logos | 0 | - | 4.45 | 140,053 |
| Fast Food Logos Quiz | 0 | - | 4.43 | 247,151 |
| Mostly-American Candy Logos | 0 | - | 4.14 | 158,023 |
| Brand Logos That Start With S | 0 | - | 4.37 | 56,855 |
| Brand Logos That Start With D | 0 | - | 4.37 | 60,804 |
| Brand Logos That Start With L | 0 | - | 4.39 | 60,326 |
| Brand Logos That Start With C | 0 | - | 4.17 | 49,114 |
| History by Picture - I | 0 | - | 4.26 | 26,052 |
| History by Picture - J | 0 | - | 4.18 | 26,562 |
| History by Picture - L | 0 | - | 4.18 | 30,591 |
| History by Picture - P | 0 | - | 4.08 | 25,138 |
| History by Picture - Q | 0 | - | 4.03 | 21,941 |
| History by Picture - R | 0 | - | 4.13 | 26,674 |
| History by Picture - S | 0 | - | 4.14 | 27,624 |
| History by Picture - U | 0 | - | 4.24 | 24,970 |
| History by Picture - V | 0 | - | 4.30 | 24,942 |
| History by Picture - W | 0 | - | 4.01 | 21,514 |
| Vegetables by Picture | 0 | - | 4.39 | 62,930 |
