| Former Countries by Territory Map | 0 | - | 4.96 | 101,771 |
| Empires by Maps | 0 | - | 4.98 | 118,771 |
| Islands by Shape #2 | 0 | - | 4.88 | 59,032 |
| Name that Object #1 | 0 | - | 3.56 | 96,329 |
| Visual Memory Test - Random Cartoons | 0 | - | 4.98 | 102,948 |
| Circular Cutouts from a World Map | 0 | - | 4.98 | 61,114 |
| All Country Flags of the World | 0 | - | 5.00 | 3,611,260 |
| Years in History by Picture | 0 | - | 4.44 | 35,161 |
| Famous Foreheads #1 | 0 | - | 4.47 | 74,310 |
| Country Flags Quiz #1 | 0 | - | 4.98 | 2,527,949 |
| Country Flags Quiz #2 | 0 | - | 4.98 | 1,088,165 |
| Country Flags Quiz #3 | 0 | - | 4.98 | 730,207 |
| Old Movies by Picture | 0 | - | 4.51 | 24,860 |
| Musical Instruments by Picture #2 | 0 | - | 4.24 | 46,731 |
| Name that Object #2 | 0 | - | 3.64 | 15,341 |
| Name that Object #3 | 0 | - | 3.93 | 14,315 |
| Make a Stained Glass Window | 0 | - | 5.00 | 67,908 |
| Flags with Crescents | 0 | - | 4.98 | 167,838 |
| Country Flag Trivia | 0 | - | 4.81 | 56,068 |
| Country Flags with Eagles - Picture Quiz | 0 | - | 4.98 | 102,589 |
| Country Flags with the Union Jack | 0 | - | 4.87 | 76,582 |
| Pixelated Flag Quiz | 0 | - | 4.98 | 86,096 |
| Flag Emblems Scavenger Hunt | 0 | - | 5.00 | 66,575 |
| Flags by Horizontal Stripes #1 | 0 | - | 4.84 | 84,484 |
| Country Flags with the Sun - Picture Quiz | 0 | - | 4.83 | 52,158 |
| Random Logos Quiz | 0 | - | 4.31 | 207,214 |
| National Football Team Logos | 0 | - | 4.84 | 178,915 |
| Pictures by Letter - A | 0 | - | 4.17 | 33,169 |
| Pictures by Letter - J | 0 | - | 4.31 | 39,765 |
| Pictures by Letter - B | 0 | - | 4.31 | 43,663 |
| Pictures by Letter - D | 0 | - | 4.16 | 37,350 |
| Pictures by Letter - M | 0 | - | 4.24 | 37,556 |
| Fruits by Picture | 0 | - | 4.20 | 805,043 |
| Geography by Picture - B | 0 | - | 4.42 | 55,446 |
| Geography by Picture - H | 0 | - | 4.50 | 58,071 |
| Geography by Picture - N | 0 | - | 4.45 | 42,067 |
| Geography by Picture - R | 0 | - | 4.55 | 40,894 |
| Geography by Picture - T | 0 | - | 4.54 | 57,703 |
| All North American Pro Sports Logos | 0 | - | 4.70 | 113,533 |
| Flags to Languages | 0 | - | 4.95 | 172,666 |
| Pictures by Letter - E | 0 | - | 3.49 | 34,310 |
| Pictures by Letter - G | 0 | - | 4.14 | 27,953 |
| Pictures by Letter - L | 0 | - | 4.14 | 30,367 |
| Pictures by Letter - F | 0 | - | 4.17 | 28,841 |
| Pictures by Letter - Z | 0 | - | 4.05 | 23,326 |
| Pictures by Letter - Y | 0 | - | 4.22 | 26,135 |
| Pictures by Letter - R | 0 | - | 4.09 | 24,613 |
| Pictures by Letter - K | 0 | - | 4.18 | 24,954 |
| Pictures by Letter - I | 0 | - | 4.16 | 30,209 |
| Pictures by Letter - N | 0 | - | 4.11 | 24,349 |
| Pictures by Letter - P | 0 | - | 4.05 | 25,894 |
| Pictures by Letter - U | 0 | - | 4.10 | 20,648 |
| Pictures by Letter - T | 0 | - | 4.34 | 27,517 |
| Similar Country Flags - Multiple Choice Quiz | 0 | - | 4.94 | 50,168 |
| Name that Historical Figure #1 | 0 | - | 4.63 | 335,800 |
| Car Logos Quiz #1 | 0 | - | 4.44 | 532,981 |
| Name that Bug | 0 | - | 4.12 | 45,463 |
| Islands by Shape #1 | 0 | - | 4.32 | 84,201 |
| 1970s Celebrities by Picture #1 | 0 | - | 4.20 | 57,664 |
| 1970s Celebrities by Picture #2 | 0 | - | 4.21 | 50,450 |
| Elements by Picture | 0 | - | 4.28 | 69,619 |
| Rocks and Minerals Picture Quiz | 0 | - | 4.48 | 29,178 |
| Islands by Picture | 0 | - | 4.29 | 106,058 |
| Classic Movies by Movie Posters | 0 | - | 4.44 | 24,083 |
| Geography by Picture - A | 0 | - | 4.39 | 60,073 |
| Geography by Picture - D | 0 | - | 4.15 | 45,523 |
| Geography by Picture - F | 0 | - | 4.31 | 50,852 |
| Geography by Picture - G | 0 | - | 4.38 | 47,820 |
| Geography by Picture - J | 0 | - | 4.16 | 38,350 |
| Geography by Picture - K | 0 | - | 4.29 | 33,033 |
| Geography by Picture - C | 0 | - | 4.31 | 56,937 |
| Geography by Picture - L | 0 | - | 4.37 | 58,789 |
| Geography by Picture - M | 0 | - | 4.14 | 40,360 |
| Geography by Picture - P | 0 | - | 4.24 | 42,319 |
| Geography by Picture - S | 0 | - | 4.38 | 46,932 |
| Video Game Logos Quiz | 0 | - | 4.40 | 182,846 |
| Movie Logos | 0 | - | 4.33 | 236,262 |
| History by Picture - A | 0 | - | 4.25 | 45,507 |
| History by Picture - B | 0 | - | 4.40 | 48,636 |
| History by Picture - C | 0 | - | 4.36 | 54,146 |
| History by Picture - F | 0 | - | 4.35 | 37,635 |
| History by Picture - G | 0 | - | 4.40 | 41,894 |
| History by Picture - D | 0 | - | 4.29 | 44,060 |
| History by Picture - E | 0 | - | 4.27 | 43,674 |
| History by Picture - H | 0 | - | 4.37 | 36,586 |
| History by Picture - K | 0 | - | 4.35 | 33,147 |
| History by Picture - M | 0 | - | 4.17 | 35,946 |
| History by Picture - N | 0 | - | 4.40 | 41,037 |
| History by Picture - O | 0 | - | 4.39 | 36,079 |
| History by Picture - T | 0 | - | 4.20 | 33,134 |
| Three Real and One Fake - Country Flags | 0 | - | 4.97 | 83,386 |
| Animals by Skeleton Image | 0 | - | 4.80 | 46,055 |
| Animals by Close-up Image | 0 | - | 4.42 | 217,026 |
| Aquatic Mammals by Picture | 0 | - | 4.41 | 45,309 |
| Extinct Animals by Picture | 0 | - | 4.49 | 34,967 |
| Mammals by Picture #1 | 0 | - | 4.70 | 91,209 |
| Pick a Picture - Animal Relations | 0 | - | 4.94 | 54,924 |
| 1940s Celebrities by Picture | 0 | - | 4.43 | 47,805 |
| International Footballers by Picture | 0 | - | 4.50 | 54,866 |
| Name that Historical Figure #2 | 0 | - | 4.43 | 282,944 |
| Name that Historical Figure #5 | 0 | - | 4.43 | 106,779 |
| Name that Historical Figure #7 - U.S. Edition | 0 | - | 4.50 | 50,372 |
| Miscellaneous Flags Quiz | 0 | - | 4.42 | 278,691 |
| Flag Maths | 0 | - | 4.78 | 57,691 |
| Satellite Images #1 | 0 | - | 4.46 | 129,065 |
| Satellite Images Quiz #2 | 0 | - | 4.63 | 109,032 |
| Satellite Images Quiz #4 | 0 | - | 4.55 | 88,687 |
| Satellite Images Quiz #5 | 0 | - | 4.48 | 49,687 |
| Satellite Images Quiz #6 | 0 | - | 4.50 | 38,836 |
| Name the Pixelated Landmark | 0 | - | 4.84 | 62,531 |
| Cities by Picture #1 | 0 | - | 4.73 | 85,447 |
| Soccer Team Logos | 0 | - | 4.26 | 371,337 |
| Ultimate Car Logos Quiz | 0 | - | 4.80 | 176,844 |
| Car Logos Quiz #2 | 0 | - | 4.43 | 259,604 |
| Brand Logos That Start With M | 0 | - | 4.45 | 61,913 |
| Brand Logos That Start With B | 0 | - | 4.41 | 59,320 |
| Brand Logos That Start with A | 0 | - | 4.51 | 69,420 |
| Name that Nut, Seed, or Bean | 0 | - | 4.63 | 56,925 |
| Foods by Picture | 0 | - | 3.81 | 225,581 |
| Junk Foods by Picture | 0 | - | 3.69 | 96,071 |
| Christmas by Picture | 0 | - | 4.25 | 28,116 |
| Hats by Picture | 0 | - | 4.21 | 17,911 |
| Weapons by Picture | 0 | - | 4.13 | 20,904 |
| Cars by Picture | 0 | - | 3.89 | 41,137 |
| Reptile Picture Quiz | 0 | - | 4.32 | 14,241 |
| Plants by Picture | 0 | - | 4.24 | 14,357 |
| 1980s Movie Silhouettes | 0 | - | 4.97 | 102,888 |
| Women in History by Picture | 0 | - | 4.25 | 25,783 |
| Famous Foreheads #2 | 0 | - | 3.17 | 15,674 |
| Geography by Picture - E | 0 | - | 3.55 | 47,292 |
| Landforms by Picture | 0 | - | 4.31 | 20,587 |
| Geography by Picture - I | 0 | - | 4.00 | 39,332 |
| Country Flags Multiple Choice | 0 | - | 4.97 | 143,625 |
| Pictures by Letter - H | 0 | - | 3.97 | 30,311 |
| Pictures by Letter - C | 0 | - | 3.99 | 30,026 |
| Pictures by Letter - O | 0 | - | 3.98 | 28,541 |
| Pictures by Letter - Q | 0 | - | 3.92 | 20,305 |
| Pictures by Letter - S | 0 | - | 3.82 | 20,813 |
| Pictures by Letter - W | 0 | - | 3.92 | 20,018 |
| Pictures by Letter - V | 0 | - | 4.00 | 17,863 |
| History by Picture - I | 0 | - | 4.26 | 26,053 |
| History by Picture - J | 0 | - | 4.18 | 26,564 |
| History by Picture - L | 0 | - | 4.18 | 30,592 |
| History by Picture - P | 0 | - | 4.08 | 25,140 |
| History by Picture - Q | 0 | - | 4.03 | 21,942 |
| History by Picture - R | 0 | - | 4.13 | 26,675 |
| History by Picture - S | 0 | - | 4.14 | 27,626 |
| History by Picture - U | 0 | - | 4.24 | 24,973 |
| History by Picture - V | 0 | - | 4.30 | 24,945 |
| History by Picture - W | 0 | - | 4.01 | 21,518 |
| Art Works Picture Quiz #1 | 0 | - | 4.51 | 118,561 |
| Art Works Picture Quiz #2 | 0 | - | 4.49 | 104,785 |
| Musical Instruments by Picture #1 | 0 | - | 4.52 | 268,068 |
| Flowers by Picture | 0 | - | 4.46 | 105,050 |
| Art Works Picture Quiz #3 | 0 | - | 4.45 | 48,565 |
| Authors by Picture | 0 | - | 4.48 | 25,413 |
| Fruit and Vegetable Emojis | 0 | - | 4.42 | 79,610 |
| College Sports Logos Quiz #3 | 0 | - | 4.30 | 55,218 |
| Planets By Picture Quiz | 0 | - | 4.49 | 56,286 |
| Songs by Picture Quiz #1 | 0 | - | 4.68 | 65,456 |
| Songs by Picture Quiz #2 | 0 | - | 4.41 | 58,487 |
| Fish by Picture #1 | 0 | - | 4.41 | 108,156 |
| Animals A-Z by Picture | 0 | - | 4.08 | 65,991 |
| Mammals by Picture #3 | 0 | - | 4.39 | 61,813 |
| Mammals by Picture #4 | 0 | - | 4.03 | 33,938 |
| Birds by Picture #1 | 0 | - | 4.47 | 41,206 |
| Mammals by Picture #2 | 0 | - | 4.28 | 57,922 |
| Oscar Nominated Actors by Picture #1 | 0 | - | 4.42 | 164,534 |
| 1960s Celebrities by Picture #1 | 0 | - | 4.27 | 70,075 |
| 1960s Celebrities by Picture #2 | 0 | - | 4.26 | 51,168 |
| 1950s Celebrities by Picture #1 | 0 | - | 4.24 | 50,954 |
| 1980s Celebrities by Picture #2 | 0 | - | 4.19 | 71,304 |
| 1990s Celebrities by Picture #1 | 0 | - | 4.13 | 79,054 |
| 1990s Celebrities by Picture #2 | 0 | - | 4.16 | 72,005 |
| 2000s Celebrities by Picture #2 | 0 | - | 4.15 | 94,693 |
| 1950s Celebrities by Picture #2 | 0 | - | 4.29 | 45,958 |
| Name that Historical Figure #3 | 0 | - | 4.36 | 237,879 |
| Name that Historical Figure #4 | 0 | - | 4.29 | 158,186 |
| Name that Historical Figure #6 | 0 | - | 4.27 | 92,543 |
| Musicians by Picture #1 | 0 | - | 4.39 | 107,368 |
| Musicians by Picture #2 | 0 | - | 4.29 | 75,462 |
| Musicians by Picture #4 | 0 | - | 4.07 | 64,167 |
| Musicians by Picture #3 | 0 | - | 4.10 | 58,420 |
| Emoji Flags | 0 | - | 4.35 | 43,850 |
| Languages by Combined Flags | 0 | - | 4.53 | 99,271 |
| Satellite Images Quiz #3 | 0 | - | 4.35 | 73,267 |
| Satellite Images - Island Chains | 0 | - | 4.43 | 65,821 |
| Islands by Satellite Image #1 | 0 | - | 4.70 | 70,181 |
| Peninsulas by Satellite Image | 0 | - | 4.53 | 27,685 |
| Landmarks Picture Quiz #1 | 0 | - | 4.16 | 393,214 |
| Airline Logos | 0 | - | 4.45 | 140,055 |
| Brand Logos Quiz #1 | 0 | - | 4.83 | 2,404,951 |
| Fast Food Logos Quiz | 0 | - | 4.43 | 247,160 |
| Mostly-American Candy Logos | 0 | - | 4.14 | 158,031 |
| Brand Logos That Start With S | 0 | - | 4.37 | 56,862 |
| Brand Logos That Start With D | 0 | - | 4.37 | 60,811 |
| Brand Logos That Start With L | 0 | - | 4.39 | 60,336 |
| Brand Logos That Start With C | 0 | - | 4.17 | 49,116 |
| Vegetables by Picture | 0 | - | 4.39 | 62,934 |
| Pick a Picture - Musical Instruments | 0 | - | 4.53 | 51,905 |
