| Former Countries by Territory Map | 0 | - | 4.96 | 101,581 |
| Empires by Maps | 0 | - | 4.98 | 118,534 |
| Islands by Shape #2 | 0 | - | 4.88 | 58,995 |
| Name that Object #1 | 0 | - | 3.56 | 96,307 |
| Visual Memory Test - Random Cartoons | 0 | - | 4.98 | 102,790 |
| Circular Cutouts from a World Map | 0 | - | 4.98 | 61,040 |
| All Country Flags of the World | 0 | - | 5.00 | 3,603,142 |
| Years in History by Picture | 0 | - | 4.44 | 35,116 |
| Famous Foreheads #1 | 0 | - | 4.47 | 74,241 |
| Country Flags Quiz #1 | 0 | - | 4.98 | 2,526,523 |
| Country Flags Quiz #2 | 0 | - | 4.98 | 1,087,484 |
| Country Flags Quiz #3 | 0 | - | 4.98 | 729,727 |
| Old Movies by Picture | 0 | - | 4.51 | 24,808 |
| Musical Instruments by Picture #2 | 0 | - | 4.24 | 46,685 |
| Name that Object #2 | 0 | - | 3.64 | 15,326 |
| Name that Object #3 | 0 | - | 3.93 | 14,306 |
| Make a Stained Glass Window | 0 | - | 5.00 | 67,822 |
| Flags with Crescents | 0 | - | 4.98 | 167,588 |
| Country Flag Trivia | 0 | - | 4.81 | 55,949 |
| Country Flags with Eagles - Picture Quiz | 0 | - | 4.98 | 102,437 |
| Country Flags with the Union Jack | 0 | - | 4.87 | 76,471 |
| Pixelated Flag Quiz | 0 | - | 4.98 | 85,933 |
| Flag Emblems Scavenger Hunt | 0 | - | 5.00 | 66,478 |
| Flags by Horizontal Stripes #1 | 0 | - | 4.84 | 84,391 |
| Country Flags with the Sun - Picture Quiz | 0 | - | 4.83 | 52,051 |
| Random Logos Quiz | 0 | - | 4.32 | 207,046 |
| National Football Team Logos | 0 | - | 4.84 | 178,700 |
| Pictures by Letter - A | 0 | - | 4.17 | 33,127 |
| Pictures by Letter - J | 0 | - | 4.31 | 39,726 |
| Pictures by Letter - B | 0 | - | 4.31 | 43,618 |
| Pictures by Letter - D | 0 | - | 4.16 | 37,309 |
| Pictures by Letter - M | 0 | - | 4.24 | 37,526 |
| Fruits by Picture | 0 | - | 4.20 | 804,690 |
| Geography by Picture - B | 0 | - | 4.42 | 55,419 |
| Geography by Picture - H | 0 | - | 4.49 | 58,051 |
| Geography by Picture - N | 0 | - | 4.45 | 42,050 |
| Geography by Picture - R | 0 | - | 4.55 | 40,880 |
| Geography by Picture - T | 0 | - | 4.54 | 57,679 |
| All North American Pro Sports Logos | 0 | - | 4.70 | 113,295 |
| Flags to Languages | 0 | - | 4.95 | 172,507 |
| Pictures by Letter - E | 0 | - | 3.49 | 34,281 |
| Pictures by Letter - G | 0 | - | 4.14 | 27,920 |
| Pictures by Letter - L | 0 | - | 4.14 | 30,335 |
| Pictures by Letter - F | 0 | - | 4.17 | 28,810 |
| Pictures by Letter - Z | 0 | - | 4.05 | 23,298 |
| Pictures by Letter - Y | 0 | - | 4.22 | 26,111 |
| Pictures by Letter - R | 0 | - | 4.09 | 24,587 |
| Pictures by Letter - K | 0 | - | 4.18 | 24,924 |
| Pictures by Letter - I | 0 | - | 4.16 | 30,183 |
| Pictures by Letter - N | 0 | - | 4.11 | 24,324 |
| Pictures by Letter - P | 0 | - | 4.05 | 25,870 |
| Pictures by Letter - U | 0 | - | 4.10 | 20,615 |
| Pictures by Letter - T | 0 | - | 4.34 | 27,479 |
| Similar Country Flags - Multiple Choice Quiz | 0 | - | 4.94 | 50,155 |
| Name that Historical Figure #1 | 0 | - | 4.63 | 335,541 |
| Car Logos Quiz #1 | 0 | - | 4.44 | 532,203 |
| Name that Bug | 0 | - | 4.12 | 45,451 |
| Islands by Shape #1 | 0 | - | 4.32 | 84,190 |
| 1970s Celebrities by Picture #1 | 0 | - | 4.20 | 57,631 |
| 1970s Celebrities by Picture #2 | 0 | - | 4.21 | 50,415 |
| Elements by Picture | 0 | - | 4.28 | 69,556 |
| Rocks and Minerals Picture Quiz | 0 | - | 4.48 | 29,162 |
| Islands by Picture | 0 | - | 4.29 | 105,910 |
| Classic Movies by Movie Posters | 0 | - | 4.44 | 24,050 |
| Geography by Picture - A | 0 | - | 4.39 | 60,055 |
| Geography by Picture - D | 0 | - | 4.15 | 45,496 |
| Geography by Picture - F | 0 | - | 4.31 | 50,830 |
| Geography by Picture - G | 0 | - | 4.38 | 47,792 |
| Geography by Picture - J | 0 | - | 4.16 | 38,336 |
| Geography by Picture - K | 0 | - | 4.28 | 33,016 |
| Geography by Picture - C | 0 | - | 4.31 | 56,911 |
| Geography by Picture - L | 0 | - | 4.37 | 58,764 |
| Geography by Picture - M | 0 | - | 4.14 | 40,347 |
| Geography by Picture - P | 0 | - | 4.24 | 42,301 |
| Geography by Picture - S | 0 | - | 4.38 | 46,912 |
| Video Game Logos Quiz | 0 | - | 4.40 | 182,683 |
| Movie Logos | 0 | - | 4.33 | 235,940 |
| History by Picture - A | 0 | - | 4.25 | 45,465 |
| History by Picture - B | 0 | - | 4.40 | 48,591 |
| History by Picture - C | 0 | - | 4.36 | 54,088 |
| History by Picture - F | 0 | - | 4.35 | 37,588 |
| History by Picture - G | 0 | - | 4.40 | 41,856 |
| History by Picture - D | 0 | - | 4.29 | 44,014 |
| History by Picture - E | 0 | - | 4.27 | 43,631 |
| History by Picture - H | 0 | - | 4.37 | 36,547 |
| History by Picture - K | 0 | - | 4.35 | 33,111 |
| History by Picture - M | 0 | - | 4.17 | 35,916 |
| History by Picture - N | 0 | - | 4.40 | 41,004 |
| History by Picture - O | 0 | - | 4.39 | 36,043 |
| History by Picture - T | 0 | - | 4.20 | 33,101 |
| Three Real and One Fake - Country Flags | 0 | - | 4.97 | 83,287 |
| Animals by Skeleton Image | 0 | - | 4.80 | 45,992 |
| Animals by Close-up Image | 0 | - | 4.42 | 216,646 |
| Aquatic Mammals by Picture | 0 | - | 4.41 | 45,244 |
| Extinct Animals by Picture | 0 | - | 4.49 | 34,921 |
| Mammals by Picture #1 | 0 | - | 4.70 | 91,114 |
| Pick a Picture - Animal Relations | 0 | - | 4.94 | 54,848 |
| 1940s Celebrities by Picture | 0 | - | 4.43 | 47,777 |
| International Footballers by Picture | 0 | - | 4.50 | 54,765 |
| Name that Historical Figure #2 | 0 | - | 4.43 | 282,665 |
| Name that Historical Figure #5 | 0 | - | 4.43 | 106,645 |
| Name that Historical Figure #7 - U.S. Edition | 0 | - | 4.50 | 50,301 |
| Miscellaneous Flags Quiz | 0 | - | 4.42 | 278,398 |
| Flag Maths | 0 | - | 4.78 | 57,676 |
| Satellite Images #1 | 0 | - | 4.46 | 129,016 |
| Satellite Images Quiz #2 | 0 | - | 4.63 | 108,990 |
| Satellite Images Quiz #4 | 0 | - | 4.55 | 88,655 |
| Satellite Images Quiz #5 | 0 | - | 4.48 | 49,651 |
| Satellite Images Quiz #6 | 0 | - | 4.50 | 38,810 |
| Name the Pixelated Landmark | 0 | - | 4.84 | 62,460 |
| Cities by Picture #1 | 0 | - | 4.73 | 85,373 |
| Soccer Team Logos | 0 | - | 4.26 | 370,874 |
| Ultimate Car Logos Quiz | 0 | - | 4.79 | 176,314 |
| Car Logos Quiz #2 | 0 | - | 4.43 | 259,299 |
| Brand Logos That Start With M | 0 | - | 4.45 | 61,782 |
| Brand Logos That Start With B | 0 | - | 4.41 | 59,203 |
| Brand Logos That Start with A | 0 | - | 4.51 | 69,282 |
| Name that Nut, Seed, or Bean | 0 | - | 4.63 | 56,853 |
| Foods by Picture | 0 | - | 3.81 | 225,480 |
| Junk Foods by Picture | 0 | - | 3.69 | 96,007 |
| Christmas by Picture | 0 | - | 4.25 | 28,100 |
| Hats by Picture | 0 | - | 4.21 | 17,904 |
| Weapons by Picture | 0 | - | 4.13 | 20,884 |
| Cars by Picture | 0 | - | 3.89 | 41,095 |
| Reptile Picture Quiz | 0 | - | 4.32 | 14,230 |
| Plants by Picture | 0 | - | 4.24 | 14,337 |
| 1980s Movie Silhouettes | 0 | - | 4.97 | 102,672 |
| Women in History by Picture | 0 | - | 4.25 | 25,763 |
| Famous Foreheads #2 | 0 | - | 3.17 | 15,657 |
| Geography by Picture - E | 0 | - | 3.55 | 47,280 |
| Landforms by Picture | 0 | - | 4.31 | 20,574 |
| Geography by Picture - I | 0 | - | 4.00 | 39,316 |
| Country Flags Multiple Choice | 0 | - | 4.97 | 143,483 |
| Pictures by Letter - H | 0 | - | 3.95 | 30,284 |
| Pictures by Letter - C | 0 | - | 3.99 | 29,995 |
| Pictures by Letter - O | 0 | - | 3.98 | 28,519 |
| Pictures by Letter - Q | 0 | - | 3.92 | 20,282 |
| Pictures by Letter - S | 0 | - | 3.82 | 20,781 |
| Pictures by Letter - W | 0 | - | 3.92 | 19,990 |
| Pictures by Letter - V | 0 | - | 3.98 | 17,839 |
| History by Picture - I | 0 | - | 4.26 | 26,013 |
| History by Picture - J | 0 | - | 4.18 | 26,531 |
| History by Picture - L | 0 | - | 4.18 | 30,565 |
| History by Picture - P | 0 | - | 4.08 | 25,110 |
| History by Picture - Q | 0 | - | 4.03 | 21,922 |
| History by Picture - R | 0 | - | 4.13 | 26,642 |
| History by Picture - S | 0 | - | 4.14 | 27,593 |
| History by Picture - U | 0 | - | 4.24 | 24,945 |
| History by Picture - V | 0 | - | 4.30 | 24,915 |
| History by Picture - W | 0 | - | 4.01 | 21,498 |
| Art Works Picture Quiz #1 | 0 | - | 4.51 | 118,478 |
| Art Works Picture Quiz #2 | 0 | - | 4.49 | 104,665 |
| Musical Instruments by Picture #1 | 0 | - | 4.52 | 267,934 |
| Flowers by Picture | 0 | - | 4.46 | 105,014 |
| Art Works Picture Quiz #3 | 0 | - | 4.45 | 48,535 |
| Authors by Picture | 0 | - | 4.48 | 25,395 |
| Fruit and Vegetable Emojis | 0 | - | 4.42 | 79,482 |
| College Sports Logos Quiz #3 | 0 | - | 4.30 | 55,071 |
| Planets By Picture Quiz | 0 | - | 4.49 | 56,201 |
| Songs by Picture Quiz #1 | 0 | - | 4.68 | 65,380 |
| Songs by Picture Quiz #2 | 0 | - | 4.41 | 58,424 |
| Fish by Picture #1 | 0 | - | 4.41 | 108,094 |
| Animals A-Z by Picture | 0 | - | 4.08 | 65,912 |
| Mammals by Picture #3 | 0 | - | 4.39 | 61,771 |
| Mammals by Picture #4 | 0 | - | 4.03 | 33,903 |
| Birds by Picture #1 | 0 | - | 4.47 | 41,120 |
| Mammals by Picture #2 | 0 | - | 4.28 | 57,872 |
| Oscar Nominated Actors by Picture #1 | 0 | - | 4.42 | 164,459 |
| 1960s Celebrities by Picture #1 | 0 | - | 4.27 | 70,025 |
| 1960s Celebrities by Picture #2 | 0 | - | 4.26 | 51,135 |
| 1950s Celebrities by Picture #1 | 0 | - | 4.24 | 50,930 |
| 1980s Celebrities by Picture #2 | 0 | - | 4.19 | 71,261 |
| 1990s Celebrities by Picture #1 | 0 | - | 4.13 | 79,000 |
| 1990s Celebrities by Picture #2 | 0 | - | 4.16 | 71,946 |
| 2000s Celebrities by Picture #2 | 0 | - | 4.15 | 94,603 |
| 1950s Celebrities by Picture #2 | 0 | - | 4.29 | 45,930 |
| Name that Historical Figure #3 | 0 | - | 4.36 | 237,679 |
| Name that Historical Figure #4 | 0 | - | 4.29 | 158,055 |
| Name that Historical Figure #6 | 0 | - | 4.27 | 92,438 |
| Musicians by Picture #1 | 0 | - | 4.39 | 107,162 |
| Musicians by Picture #2 | 0 | - | 4.29 | 75,321 |
| Musicians by Picture #4 | 0 | - | 4.07 | 64,065 |
| Musicians by Picture #3 | 0 | - | 4.10 | 58,339 |
| Emoji Flags | 0 | - | 4.35 | 43,817 |
| Languages by Combined Flags | 0 | - | 4.53 | 99,155 |
| Satellite Images Quiz #3 | 0 | - | 4.35 | 73,243 |
| Satellite Images - Island Chains | 0 | - | 4.43 | 65,752 |
| Islands by Satellite Image #1 | 0 | - | 4.70 | 70,109 |
| Peninsulas by Satellite Image | 0 | - | 4.53 | 27,673 |
| Landmarks Picture Quiz #1 | 0 | - | 4.16 | 393,030 |
| Airline Logos | 0 | - | 4.45 | 139,970 |
| Brand Logos Quiz #1 | 0 | - | 4.83 | 2,402,495 |
| Fast Food Logos Quiz | 0 | - | 4.43 | 246,952 |
| Mostly-American Candy Logos | 0 | - | 4.14 | 157,832 |
| Brand Logos That Start With S | 0 | - | 4.37 | 56,728 |
| Brand Logos That Start With D | 0 | - | 4.37 | 60,675 |
| Brand Logos That Start With L | 0 | - | 4.39 | 60,201 |
| Brand Logos That Start With C | 0 | - | 4.17 | 49,021 |
| Vegetables by Picture | 0 | - | 4.39 | 62,863 |
| Pick a Picture - Musical Instruments | 0 | - | 4.53 | 51,853 |
