| Former Countries by Territory Map | 0 | - | 4.96 | 103,590 |
| Empires by Maps | 0 | - | 4.98 | 121,655 |
| Islands by Shape #2 | 0 | - | 4.88 | 59,470 |
| Name that Object #1 | 0 | - | 3.57 | 96,590 |
| Visual Memory Test - Random Cartoons | 0 | - | 4.98 | 105,203 |
| Play-Doh People from History | 0 | - | 4.99 | 95,426 |
| Circular Cutouts from a World Map | 0 | - | 4.98 | 62,004 |
| All Country Flags of the World | 0 | - | 5.00 | 3,706,330 |
| Years in History by Picture | 0 | - | 4.44 | 35,731 |
| Famous Foreheads #1 | 0 | - | 4.47 | 75,332 |
| Country Flags Quiz #1 | 0 | - | 4.98 | 2,544,511 |
| Country Flags Quiz #2 | 0 | - | 4.99 | 1,096,512 |
| Country Flags Quiz #3 | 0 | - | 4.97 | 736,005 |
| Old Movies by Picture | 0 | - | 4.51 | 25,236 |
| Musical Instruments by Picture #2 | 0 | - | 4.24 | 47,271 |
| Name that Object #2 | 0 | - | 3.63 | 15,510 |
| Name that Object #3 | 0 | - | 3.93 | 14,451 |
| Animals by Skeleton Image | 0 | - | 4.81 | 46,875 |
| Make a Stained Glass Window | 0 | - | 5.00 | 68,967 |
| Flags with Crescents | 0 | - | 4.98 | 171,127 |
| Country Flag Trivia | 0 | - | 4.81 | 57,867 |
| Country Flags with Eagles - Picture Quiz | 0 | - | 4.98 | 104,739 |
| Country Flags with the Union Jack | 0 | - | 4.87 | 78,295 |
| Pixelated Flag Quiz | 0 | - | 4.97 | 88,408 |
| Flag Emblems Scavenger Hunt | 0 | - | 5.00 | 67,832 |
| Flags by Horizontal Stripes #1 | 0 | - | 4.84 | 85,861 |
| Country Flags with the Sun - Picture Quiz | 0 | - | 4.83 | 53,395 |
| Random Logos Quiz | 0 | - | 4.33 | 209,238 |
| Ultimate Car Logos Quiz | 0 | - | 4.81 | 183,534 |
| National Football Team Logos | 0 | - | 4.85 | 181,582 |
| Pictures by Letter - A | 0 | - | 4.18 | 33,620 |
| Pictures by Letter - J | 0 | - | 4.31 | 40,252 |
| Pictures by Letter - B | 0 | - | 4.32 | 44,226 |
| Pictures by Letter - D | 0 | - | 4.14 | 37,781 |
| Pictures by Letter - M | 0 | - | 4.24 | 37,982 |
| Fruits by Picture | 0 | - | 4.19 | 808,939 |
| Geography by Picture - B | 0 | - | 4.42 | 55,754 |
| Geography by Picture - H | 0 | - | 4.50 | 58,356 |
| Geography by Picture - N | 0 | - | 4.45 | 42,327 |
| Geography by Picture - R | 0 | - | 4.56 | 41,127 |
| Geography by Picture - T | 0 | - | 4.54 | 57,977 |
| All North American Pro Sports Logos | 0 | - | 4.70 | 116,144 |
| Flags to Languages | 0 | - | 4.95 | 174,391 |
| Pictures by Letter - E | 0 | - | 3.51 | 34,637 |
| Pictures by Letter - G | 0 | - | 4.14 | 28,360 |
| Pictures by Letter - L | 0 | - | 4.14 | 30,743 |
| Pictures by Letter - F | 0 | - | 4.18 | 29,239 |
| Pictures by Letter - Z | 0 | - | 4.05 | 23,580 |
| Pictures by Letter - Y | 0 | - | 4.21 | 26,431 |
| Pictures by Letter - R | 0 | - | 4.05 | 24,905 |
| Pictures by Letter - K | 0 | - | 4.18 | 25,279 |
| Pictures by Letter - I | 0 | - | 4.16 | 30,550 |
| Pictures by Letter - N | 0 | - | 4.11 | 24,637 |
| Pictures by Letter - P | 0 | - | 4.05 | 26,187 |
| Pictures by Letter - U | 0 | - | 4.10 | 20,911 |
| Pictures by Letter - T | 0 | - | 4.34 | 27,833 |
| Similar Country Flags - Multiple Choice Quiz | 0 | - | 4.94 | 50,962 |
| Name that Historical Figure #1 | 0 | - | 4.63 | 339,022 |
| Car Logos Quiz #1 | 0 | - | 4.52 | 543,389 |
| Name that Bug | 0 | - | 4.12 | 45,623 |
| Islands by Shape #1 | 0 | - | 4.33 | 84,487 |
| 1970s Celebrities by Picture #1 | 0 | - | 4.20 | 58,233 |
| 1970s Celebrities by Picture #2 | 0 | - | 4.21 | 50,948 |
| Elements by Picture | 0 | - | 4.27 | 70,274 |
| Rocks and Minerals Picture Quiz | 0 | - | 4.48 | 29,497 |
| Islands by Picture | 0 | - | 4.28 | 107,673 |
| Classic Movies by Movie Posters | 0 | - | 4.45 | 24,430 |
| Geography by Picture - A | 0 | - | 4.39 | 60,408 |
| Geography by Picture - D | 0 | - | 4.15 | 45,768 |
| Geography by Picture - F | 0 | - | 4.31 | 51,150 |
| Geography by Picture - G | 0 | - | 4.39 | 48,061 |
| Geography by Picture - J | 0 | - | 4.16 | 38,573 |
| Geography by Picture - K | 0 | - | 4.29 | 33,230 |
| Geography by Picture - C | 0 | - | 4.31 | 57,213 |
| Geography by Picture - L | 0 | - | 4.37 | 59,110 |
| Geography by Picture - M | 0 | - | 4.14 | 40,562 |
| Geography by Picture - P | 0 | - | 4.24 | 42,544 |
| Geography by Picture - S | 0 | - | 4.38 | 47,161 |
| Video Game Logos Quiz | 0 | - | 4.40 | 184,836 |
| Movie Logos | 0 | - | 4.33 | 240,098 |
| History by Picture - A | 0 | - | 4.26 | 46,101 |
| History by Picture - B | 0 | - | 4.40 | 49,292 |
| History by Picture - C | 0 | - | 4.33 | 54,821 |
| History by Picture - F | 0 | - | 4.35 | 38,145 |
| History by Picture - G | 0 | - | 4.40 | 42,384 |
| History by Picture - D | 0 | - | 4.29 | 44,606 |
| History by Picture - E | 0 | - | 4.25 | 44,185 |
| History by Picture - H | 0 | - | 4.37 | 37,035 |
| History by Picture - K | 0 | - | 4.35 | 33,571 |
| History by Picture - M | 0 | - | 4.17 | 36,356 |
| History by Picture - N | 0 | - | 4.40 | 41,490 |
| History by Picture - O | 0 | - | 4.39 | 36,518 |
| History by Picture - T | 0 | - | 4.20 | 33,508 |
| Animals by Close-up Image | 0 | - | 4.42 | 218,960 |
| Aquatic Mammals by Picture | 0 | - | 4.41 | 45,974 |
| Extinct Animals by Picture | 0 | - | 4.49 | 35,453 |
| Mammals by Picture #1 | 0 | - | 4.70 | 92,374 |
| Pick a Picture - Animal Relations | 0 | - | 4.94 | 55,806 |
| 1940s Celebrities by Picture | 0 | - | 4.43 | 48,181 |
| International Footballers by Picture | 0 | - | 4.51 | 56,305 |
| Name that Historical Figure #2 | 0 | - | 4.42 | 285,817 |
| Name that Historical Figure #5 | 0 | - | 4.43 | 108,436 |
| Name that Historical Figure #7 - U.S. Edition | 0 | - | 4.51 | 51,135 |
| Miscellaneous Flags Quiz | 0 | - | 4.42 | 281,872 |
| Flag Maths | 0 | - | 4.61 | 57,825 |
| Satellite Images #1 | 0 | - | 4.47 | 129,921 |
| Satellite Images Quiz #2 | 0 | - | 4.63 | 109,610 |
| Satellite Images Quiz #4 | 0 | - | 4.55 | 89,172 |
| Satellite Images Quiz #5 | 0 | - | 4.52 | 50,185 |
| Satellite Images Quiz #6 | 0 | - | 4.50 | 39,171 |
| Name the Pixelated Landmark | 0 | - | 4.85 | 63,380 |
| Cities by Picture #1 | 0 | - | 4.74 | 86,494 |
| Soccer Team Logos | 0 | - | 4.26 | 377,171 |
| Car Logos Quiz #2 | 0 | - | 4.43 | 263,590 |
| Brand Logos That Start with A | 0 | - | 4.52 | 71,046 |
| Name that Nut, Seed, or Bean | 0 | - | 4.57 | 57,604 |
| Three Real and One Fake - Country Flags | 0 | - | 4.97 | 84,661 |
| Foods by Picture | 0 | - | 3.81 | 226,502 |
| Junk Foods by Picture | 0 | - | 3.69 | 96,631 |
| Christmas by Picture | 0 | - | 4.26 | 28,226 |
| Hats by Picture | 0 | - | 4.21 | 18,013 |
| Weapons by Picture | 0 | - | 4.13 | 21,165 |
| Cars by Picture | 0 | - | 3.89 | 41,773 |
| Reptile Picture Quiz | 0 | - | 4.32 | 14,368 |
| Plants by Picture | 0 | - | 4.24 | 14,519 |
| 1980s Movie Silhouettes | 0 | - | 4.97 | 104,569 |
| Women in History by Picture | 0 | - | 4.25 | 26,017 |
| Famous Foreheads #2 | 0 | - | 3.17 | 15,843 |
| Geography by Picture - E | 0 | - | 3.55 | 47,477 |
| Landforms by Picture | 0 | - | 4.31 | 20,740 |
| Geography by Picture - I | 0 | - | 4.00 | 39,520 |
| Geography by Picture - O | 0 | - | 4.01 | 28,227 |
| Country Flags Multiple Choice | 0 | - | 4.97 | 145,313 |
| Pictures by Letter - H | 0 | - | 3.97 | 30,641 |
| Pictures by Letter - C | 0 | - | 4.00 | 30,385 |
| Pictures by Letter - O | 0 | - | 3.98 | 28,825 |
| Pictures by Letter - Q | 0 | - | 3.92 | 20,557 |
| Pictures by Letter - S | 0 | - | 3.82 | 21,087 |
| Pictures by Letter - W | 0 | - | 3.87 | 20,265 |
| Pictures by Letter - V | 0 | - | 4.00 | 18,095 |
| History by Picture - I | 0 | - | 4.24 | 26,417 |
| History by Picture - J | 0 | - | 4.18 | 26,908 |
| History by Picture - L | 0 | - | 4.18 | 30,978 |
| History by Picture - P | 0 | - | 4.08 | 25,453 |
| History by Picture - Q | 0 | - | 4.03 | 22,235 |
| History by Picture - R | 0 | - | 4.13 | 27,022 |
| History by Picture - S | 0 | - | 4.14 | 27,958 |
| History by Picture - U | 0 | - | 4.25 | 25,300 |
| History by Picture - V | 0 | - | 4.31 | 25,285 |
| History by Picture - W | 0 | - | 4.01 | 21,791 |
| Art Works Picture Quiz #1 | 0 | - | 4.51 | 119,751 |
| Art Works Picture Quiz #2 | 0 | - | 4.49 | 105,805 |
| Musical Instruments by Picture #1 | 0 | - | 4.52 | 269,674 |
| Flowers by Picture | 0 | - | 4.46 | 105,835 |
| Art Works Picture Quiz #3 | 0 | - | 4.45 | 48,935 |
| Authors by Picture | 0 | - | 4.48 | 25,619 |
| Fruit and Vegetable Emojis | 0 | - | 4.45 | 90,795 |
| College Sports Logos Quiz #3 | 0 | - | 4.30 | 56,119 |
| Planets By Picture Quiz | 0 | - | 4.49 | 57,297 |
| Songs by Picture Quiz #1 | 0 | - | 4.68 | 66,443 |
| Songs by Picture Quiz #2 | 0 | - | 4.42 | 59,258 |
| Fish by Picture #1 | 0 | - | 4.41 | 109,019 |
| Animals A-Z by Picture | 0 | - | 4.08 | 66,810 |
| Mammals by Picture #3 | 0 | - | 4.39 | 62,466 |
| Mammals by Picture #4 | 0 | - | 4.03 | 34,320 |
| Birds by Picture #1 | 0 | - | 4.47 | 41,998 |
| Mammals by Picture #2 | 0 | - | 4.28 | 58,526 |
| Oscar Nominated Actors by Picture #1 | 0 | - | 4.42 | 165,731 |
| 1960s Celebrities by Picture #1 | 0 | - | 4.27 | 70,708 |
| 1960s Celebrities by Picture #2 | 0 | - | 4.26 | 51,634 |
| 1950s Celebrities by Picture #1 | 0 | - | 4.24 | 51,344 |
| 1980s Celebrities by Picture #2 | 0 | - | 4.19 | 72,070 |
| 1990s Celebrities by Picture #1 | 0 | - | 4.14 | 79,726 |
| 1990s Celebrities by Picture #2 | 0 | - | 4.16 | 72,778 |
| 2000s Celebrities by Picture #2 | 0 | - | 4.15 | 96,023 |
| 1950s Celebrities by Picture #2 | 0 | - | 4.29 | 46,331 |
| Name that Historical Figure #3 | 0 | - | 4.36 | 240,482 |
| Name that Historical Figure #4 | 0 | - | 4.29 | 159,929 |
| Name that Historical Figure #6 | 0 | - | 4.26 | 93,939 |
| Musicians by Picture #1 | 0 | - | 4.38 | 109,857 |
| Musicians by Picture #2 | 0 | - | 4.29 | 77,261 |
| Musicians by Picture #4 | 0 | - | 4.07 | 65,498 |
| Musicians by Picture #3 | 0 | - | 4.10 | 59,471 |
| Emoji Flags | 0 | - | 4.35 | 44,262 |
| Fill the Map of Europe by Guessing Flag Colors | 0 | - | 4.68 | 38,191 |
| Languages by Combined Flags | 0 | - | 4.53 | 100,569 |
| Satellite Images Quiz #3 | 0 | - | 4.35 | 73,606 |
| Satellite Images - Island Chains | 0 | - | 4.43 | 66,902 |
| Islands by Satellite Image #1 | 0 | - | 4.70 | 71,191 |
| Peninsulas by Satellite Image | 0 | - | 4.53 | 27,919 |
| Landmarks Picture Quiz #1 | 0 | - | 4.16 | 395,518 |
| Airline Logos | 0 | - | 4.45 | 141,338 |
| Brand Logos Quiz #1 | 0 | - | 4.83 | 2,436,047 |
| Fast Food Logos Quiz | 0 | - | 4.45 | 249,319 |
| Mostly-American Candy Logos | 0 | - | 4.14 | 159,804 |
| Brand Logos That Start With M | 0 | - | 4.38 | 63,433 |
| Brand Logos That Start With S | 0 | - | 4.37 | 58,177 |
| Brand Logos That Start With B | 0 | - | 4.38 | 60,539 |
| Brand Logos That Start With D | 0 | - | 4.36 | 62,103 |
| Brand Logos That Start With L | 0 | - | 4.39 | 61,811 |
