| Former Countries by Territory Map | 0 | - | 4.96 | 101,395 |
| Empires by Maps | 0 | - | 4.98 | 118,272 |
| Islands by Shape #2 | 0 | - | 4.88 | 58,968 |
| Name that Object #1 | 0 | - | 3.56 | 96,284 |
| Visual Memory Test - Random Cartoons | 0 | - | 4.98 | 102,668 |
| Circular Cutouts from a World Map | 0 | - | 4.98 | 60,980 |
| All Country Flags of the World | 0 | - | 5.00 | 3,597,363 |
| Years in History by Picture | 0 | - | 4.44 | 35,067 |
| Famous Foreheads #1 | 0 | - | 4.47 | 74,161 |
| Country Flags Quiz #1 | 0 | - | 4.98 | 2,525,337 |
| Country Flags Quiz #2 | 0 | - | 4.98 | 1,086,943 |
| Country Flags Quiz #3 | 0 | - | 4.98 | 729,336 |
| Old Movies by Picture | 0 | - | 4.51 | 24,776 |
| Musical Instruments by Picture #2 | 0 | - | 4.24 | 46,642 |
| Name that Object #2 | 0 | - | 3.64 | 15,314 |
| Name that Object #3 | 0 | - | 3.93 | 14,296 |
| Make a Stained Glass Window | 0 | - | 5.00 | 67,753 |
| Flags with Crescents | 0 | - | 4.98 | 167,391 |
| Country Flag Trivia | 0 | - | 4.81 | 55,839 |
| Country Flags with Eagles - Picture Quiz | 0 | - | 4.98 | 102,302 |
| Country Flags with the Union Jack | 0 | - | 4.87 | 76,392 |
| Pixelated Flag Quiz | 0 | - | 4.98 | 85,809 |
| Flag Emblems Scavenger Hunt | 0 | - | 5.00 | 66,382 |
| Flags by Horizontal Stripes #1 | 0 | - | 4.84 | 84,315 |
| Country Flags with the Sun - Picture Quiz | 0 | - | 4.83 | 51,966 |
| Random Logos Quiz | 0 | - | 4.32 | 206,924 |
| National Football Team Logos | 0 | - | 4.84 | 178,513 |
| Pictures by Letter - A | 0 | - | 4.17 | 33,105 |
| Pictures by Letter - J | 0 | - | 4.31 | 39,698 |
| Pictures by Letter - B | 0 | - | 4.31 | 43,594 |
| Pictures by Letter - D | 0 | - | 4.16 | 37,285 |
| Pictures by Letter - M | 0 | - | 4.24 | 37,504 |
| Fruits by Picture | 0 | - | 4.20 | 804,434 |
| Geography by Picture - B | 0 | - | 4.42 | 55,393 |
| Geography by Picture - H | 0 | - | 4.49 | 58,026 |
| Geography by Picture - N | 0 | - | 4.45 | 42,038 |
| Geography by Picture - R | 0 | - | 4.55 | 40,869 |
| Geography by Picture - T | 0 | - | 4.54 | 57,661 |
| All North American Pro Sports Logos | 0 | - | 4.70 | 113,070 |
| Flags to Languages | 0 | - | 4.95 | 172,399 |
| Pictures by Letter - E | 0 | - | 3.49 | 34,261 |
| Pictures by Letter - G | 0 | - | 4.14 | 27,894 |
| Pictures by Letter - L | 0 | - | 4.14 | 30,311 |
| Pictures by Letter - F | 0 | - | 4.17 | 28,787 |
| Pictures by Letter - Z | 0 | - | 4.05 | 23,286 |
| Pictures by Letter - Y | 0 | - | 4.22 | 26,096 |
| Pictures by Letter - R | 0 | - | 4.09 | 24,569 |
| Pictures by Letter - K | 0 | - | 4.18 | 24,907 |
| Pictures by Letter - I | 0 | - | 4.16 | 30,165 |
| Pictures by Letter - N | 0 | - | 4.11 | 24,309 |
| Pictures by Letter - P | 0 | - | 4.05 | 25,848 |
| Pictures by Letter - U | 0 | - | 4.10 | 20,596 |
| Pictures by Letter - T | 0 | - | 4.34 | 27,458 |
| Similar Country Flags - Multiple Choice Quiz | 0 | - | 4.96 | 50,143 |
| Name that Historical Figure #1 | 0 | - | 4.63 | 335,334 |
| Car Logos Quiz #1 | 0 | - | 4.44 | 531,494 |
| Name that Bug | 0 | - | 4.12 | 45,438 |
| Islands by Shape #1 | 0 | - | 4.32 | 84,172 |
| 1970s Celebrities by Picture #1 | 0 | - | 4.20 | 57,597 |
| 1970s Celebrities by Picture #2 | 0 | - | 4.21 | 50,384 |
| Elements by Picture | 0 | - | 4.28 | 69,512 |
| Rocks and Minerals Picture Quiz | 0 | - | 4.48 | 29,146 |
| Islands by Picture | 0 | - | 4.29 | 105,807 |
| Classic Movies by Movie Posters | 0 | - | 4.44 | 24,016 |
| Geography by Picture - A | 0 | - | 4.39 | 60,035 |
| Geography by Picture - D | 0 | - | 4.15 | 45,475 |
| Geography by Picture - F | 0 | - | 4.31 | 50,815 |
| Geography by Picture - G | 0 | - | 4.38 | 47,777 |
| Geography by Picture - J | 0 | - | 4.16 | 38,328 |
| Geography by Picture - K | 0 | - | 4.28 | 33,005 |
| Geography by Picture - C | 0 | - | 4.31 | 56,895 |
| Geography by Picture - L | 0 | - | 4.37 | 58,735 |
| Geography by Picture - M | 0 | - | 4.14 | 40,338 |
| Geography by Picture - P | 0 | - | 4.24 | 42,292 |
| Geography by Picture - S | 0 | - | 4.38 | 46,900 |
| Video Game Logos Quiz | 0 | - | 4.40 | 182,524 |
| Movie Logos | 0 | - | 4.33 | 235,630 |
| History by Picture - A | 0 | - | 4.25 | 45,437 |
| History by Picture - B | 0 | - | 4.40 | 48,544 |
| History by Picture - C | 0 | - | 4.36 | 54,052 |
| History by Picture - F | 0 | - | 4.35 | 37,560 |
| History by Picture - G | 0 | - | 4.40 | 41,819 |
| History by Picture - D | 0 | - | 4.29 | 43,984 |
| History by Picture - E | 0 | - | 4.27 | 43,601 |
| History by Picture - H | 0 | - | 4.37 | 36,516 |
| History by Picture - K | 0 | - | 4.35 | 33,083 |
| History by Picture - M | 0 | - | 4.17 | 35,891 |
| History by Picture - N | 0 | - | 4.40 | 40,970 |
| History by Picture - O | 0 | - | 4.39 | 36,007 |
| History by Picture - T | 0 | - | 4.20 | 33,068 |
| Three Real and One Fake - Country Flags | 0 | - | 4.97 | 83,202 |
| Animals by Skeleton Image | 0 | - | 4.80 | 45,938 |
| Animals by Close-up Image | 0 | - | 4.42 | 216,519 |
| Aquatic Mammals by Picture | 0 | - | 4.41 | 45,199 |
| Extinct Animals by Picture | 0 | - | 4.49 | 34,889 |
| Mammals by Picture #1 | 0 | - | 4.70 | 91,066 |
| Pick a Picture - Animal Relations | 0 | - | 4.94 | 54,792 |
| 1940s Celebrities by Picture | 0 | - | 4.43 | 47,745 |
| International Footballers by Picture | 0 | - | 4.50 | 54,644 |
| Name that Historical Figure #2 | 0 | - | 4.43 | 282,436 |
| Name that Historical Figure #5 | 0 | - | 4.43 | 106,542 |
| Name that Historical Figure #7 - U.S. Edition | 0 | - | 4.50 | 50,258 |
| Miscellaneous Flags Quiz | 0 | - | 4.42 | 278,190 |
| Flag Maths | 0 | - | 4.78 | 57,668 |
| Satellite Images Quiz #1 | 0 | - | 4.46 | 128,978 |
| Satellite Images Quiz #2 | 0 | - | 4.63 | 108,963 |
| Satellite Images Quiz #4 | 0 | - | 4.55 | 88,628 |
| Satellite Images Quiz #5 | 0 | - | 4.48 | 49,631 |
| Satellite Images Quiz #6 | 0 | - | 4.50 | 38,789 |
| Name the Pixelated Landmark | 0 | - | 4.84 | 62,388 |
| Cities by Picture #1 | 0 | - | 4.73 | 85,312 |
| Soccer Team Logos | 0 | - | 4.26 | 370,459 |
| Ultimate Car Logos Quiz | 0 | - | 4.79 | 175,882 |
| Car Logos Quiz #2 | 0 | - | 4.43 | 259,024 |
| Brand Logos That Start With M | 0 | - | 4.45 | 61,685 |
| Brand Logos That Start With B | 0 | - | 4.41 | 59,130 |
| Brand Logos That Start with A | 0 | - | 4.51 | 69,170 |
| Name that Nut, Seed, or Bean | 0 | - | 4.63 | 56,807 |
| Foods by Picture | 0 | - | 3.81 | 225,415 |
| Junk Foods by Picture | 0 | - | 3.69 | 95,960 |
| Christmas by Picture | 0 | - | 4.25 | 28,097 |
| Hats by Picture | 0 | - | 4.21 | 17,900 |
| Weapons by Picture | 0 | - | 4.13 | 20,871 |
| Cars by Picture | 0 | - | 3.89 | 41,054 |
| Reptile Picture Quiz | 0 | - | 4.32 | 14,222 |
| Plants by Picture | 0 | - | 4.24 | 14,331 |
| 1980s Movie Silhouettes | 0 | - | 4.97 | 102,412 |
| Women in History by Picture | 0 | - | 4.25 | 25,750 |
| Famous Foreheads #2 | 0 | - | 3.17 | 15,645 |
| Geography by Picture - E | 0 | - | 3.55 | 47,271 |
| Landforms by Picture | 0 | - | 4.31 | 20,568 |
| Geography by Picture - I | 0 | - | 4.00 | 39,309 |
| Country Flags Multiple Choice | 0 | - | 4.97 | 143,367 |
| Pictures by Letter - H | 0 | - | 3.95 | 30,264 |
| Pictures by Letter - C | 0 | - | 3.99 | 29,973 |
| Pictures by Letter - O | 0 | - | 3.98 | 28,508 |
| Pictures by Letter - Q | 0 | - | 3.92 | 20,273 |
| Pictures by Letter - S | 0 | - | 3.82 | 20,767 |
| Pictures by Letter - W | 0 | - | 3.92 | 19,974 |
| Pictures by Letter - V | 0 | - | 3.98 | 17,828 |
| History by Picture - I | 0 | - | 4.26 | 25,987 |
| History by Picture - J | 0 | - | 4.18 | 26,507 |
| History by Picture - L | 0 | - | 4.18 | 30,540 |
| History by Picture - P | 0 | - | 4.08 | 25,091 |
| History by Picture - Q | 0 | - | 4.03 | 21,902 |
| History by Picture - R | 0 | - | 4.13 | 26,614 |
| History by Picture - S | 0 | - | 4.14 | 27,563 |
| History by Picture - U | 0 | - | 4.24 | 24,917 |
| History by Picture - V | 0 | - | 4.30 | 24,886 |
| History by Picture - W | 0 | - | 4.01 | 21,479 |
| Art Works Picture Quiz #1 | 0 | - | 4.51 | 118,422 |
| Art Works Picture Quiz #2 | 0 | - | 4.49 | 104,594 |
| Musical Instruments by Picture #1 | 0 | - | 4.53 | 267,822 |
| Flowers by Picture | 0 | - | 4.46 | 104,993 |
| Art Works Picture Quiz #3 | 0 | - | 4.45 | 48,522 |
| Authors by Picture | 0 | - | 4.48 | 25,388 |
| Fruit and Vegetable Emojis | 0 | - | 4.42 | 79,383 |
| College Sports Logos Quiz #3 | 0 | - | 4.30 | 54,988 |
| Planets By Picture Quiz | 0 | - | 4.49 | 56,121 |
| Songs by Picture Quiz #1 | 0 | - | 4.68 | 65,307 |
| Songs by Picture Quiz #2 | 0 | - | 4.41 | 58,365 |
| Fish by Picture #1 | 0 | - | 4.41 | 108,043 |
| Animals A-Z by Picture | 0 | - | 4.08 | 65,853 |
| Mammals by Picture #3 | 0 | - | 4.39 | 61,739 |
| Mammals by Picture #4 | 0 | - | 4.03 | 33,878 |
| Birds by Picture #1 | 0 | - | 4.47 | 41,069 |
| Mammals by Picture #2 | 0 | - | 4.28 | 57,828 |
| Oscar Nominated Actors by Picture #1 | 0 | - | 4.42 | 164,385 |
| 1960s Celebrities by Picture #1 | 0 | - | 4.27 | 69,987 |
| 1960s Celebrities by Picture #2 | 0 | - | 4.26 | 51,093 |
| 1950s Celebrities by Picture #1 | 0 | - | 4.24 | 50,904 |
| 1980s Celebrities by Picture #2 | 0 | - | 4.19 | 71,211 |
| 1990s Celebrities by Picture #1 | 0 | - | 4.13 | 78,952 |
| 1990s Celebrities by Picture #2 | 0 | - | 4.16 | 71,893 |
| 2000s Celebrities by Picture #2 | 0 | - | 4.15 | 94,521 |
| 1950s Celebrities by Picture #2 | 0 | - | 4.29 | 45,902 |
| Name that Historical Figure #3 | 0 | - | 4.36 | 237,543 |
| Name that Historical Figure #4 | 0 | - | 4.29 | 157,945 |
| Name that Historical Figure #6 | 0 | - | 4.27 | 92,359 |
| Musicians by Picture #1 | 0 | - | 4.39 | 107,000 |
| Musicians by Picture #2 | 0 | - | 4.29 | 75,211 |
| Musicians by Picture #4 | 0 | - | 4.07 | 63,973 |
| Musicians by Picture #3 | 0 | - | 4.10 | 58,285 |
| Emoji Flags | 0 | - | 4.35 | 43,801 |
| Languages by Combined Flags | 0 | - | 4.53 | 99,072 |
| Satellite Images Quiz #3 | 0 | - | 4.35 | 73,226 |
| Satellite Images - Island Chains | 0 | - | 4.43 | 65,706 |
| Islands by Satellite Image #1 | 0 | - | 4.70 | 70,053 |
| Peninsulas by Satellite Image | 0 | - | 4.53 | 27,660 |
| Landmarks Picture Quiz #1 | 0 | - | 4.16 | 392,862 |
| Airline Logos | 0 | - | 4.45 | 139,891 |
| Brand Logos Quiz #1 | 0 | - | 4.83 | 2,400,183 |
| Fast Food Logos Quiz | 0 | - | 4.43 | 246,817 |
| Mostly-American Candy Logos | 0 | - | 4.14 | 157,706 |
| Brand Logos That Start With S | 0 | - | 4.37 | 56,615 |
| Brand Logos That Start With D | 0 | - | 4.37 | 60,595 |
| Brand Logos That Start With L | 0 | - | 4.39 | 60,125 |
| Brand Logos That Start With C | 0 | - | 4.17 | 48,973 |
| Vegetables by Picture | 0 | - | 4.39 | 62,800 |
| Pick a Picture - Musical Instruments | 0 | - | 4.53 | 51,811 |
