| Pictures by Letter - A | 0 | - | 4.18 | 33,507 |
| Pictures by Letter - J | 0 | - | 4.31 | 40,126 |
| Pictures by Letter - B | 0 | - | 4.32 | 44,075 |
| Pictures by Letter - M | 0 | - | 4.24 | 37,871 |
| Former Countries by Territory Map | 0 | - | 4.96 | 103,074 |
| Empires by Maps | 0 | - | 4.98 | 120,916 |
| Merged Company Logos #1 | 0 | - | 4.90 | 106,758 |
| Pictures by Letter - E | 0 | - | 3.51 | 34,550 |
| Pictures by Letter - G | 0 | - | 4.14 | 28,245 |
| Pictures by Letter - L | 0 | - | 4.14 | 30,635 |
| Pictures by Letter - F | 0 | - | 4.18 | 29,127 |
| Pictures by Letter - Z | 0 | - | 4.05 | 23,518 |
| Pictures by Letter - Y | 0 | - | 4.21 | 26,364 |
| Pictures by Letter - R | 0 | - | 4.05 | 24,830 |
| Pictures by Letter - K | 0 | - | 4.18 | 25,192 |
| Pictures by Letter - I | 0 | - | 4.16 | 30,452 |
| Pictures by Letter - N | 0 | - | 4.11 | 24,556 |
| Pictures by Letter - P | 0 | - | 4.05 | 26,117 |
| Pictures by Letter - U | 0 | - | 4.10 | 20,837 |
| Pictures by Letter - T | 0 | - | 4.34 | 27,751 |
| Islands by Shape #2 | 0 | - | 4.88 | 59,338 |
| Visual Memory Test - Random Cartoons | 0 | - | 4.98 | 104,672 |
| Play-Doh People from History | 0 | - | 4.99 | 95,026 |
| Circular Cutouts from a World Map | 0 | - | 4.98 | 61,735 |
| All Country Flags of the World | 0 | - | 5.00 | 3,678,127 |
| Pictures by Letter - H | 0 | - | 3.97 | 30,547 |
| Pictures by Letter - C | 0 | - | 4.00 | 30,292 |
| Pictures by Letter - O | 0 | - | 3.98 | 28,745 |
| Pictures by Letter - Q | 0 | - | 3.92 | 20,491 |
| Pictures by Letter - S | 0 | - | 3.82 | 21,014 |
| Pictures by Letter - W | 0 | - | 3.87 | 20,197 |
| Pictures by Letter - V | 0 | - | 4.00 | 18,041 |
| Years in History by Picture | 0 | - | 4.44 | 35,600 |
| Famous Foreheads #1 | 0 | - | 4.47 | 75,072 |
| Country Flags Quiz #1 | 0 | - | 4.98 | 2,539,682 |
| Country Flags Quiz #2 | 0 | - | 4.98 | 1,094,121 |
| Country Flags Quiz #3 | 0 | - | 4.97 | 734,289 |
| Name that Object #1 | 0 | - | 3.57 | 96,529 |
| Animals by Skeleton Image | 0 | - | 4.81 | 46,650 |
| Make a Stained Glass Window | 0 | - | 5.00 | 68,669 |
| Flags with Crescents | 0 | - | 4.98 | 170,036 |
| Country Flag Trivia | 0 | - | 4.81 | 57,297 |
| Country Flags with Eagles - Picture Quiz | 0 | - | 4.98 | 104,094 |
| Country Flags with the Union Jack | 0 | - | 4.87 | 77,766 |
| Pixelated Flag Quiz | 0 | - | 4.97 | 87,740 |
| Flag Emblems Scavenger Hunt | 0 | - | 5.00 | 67,471 |
| Flags by Horizontal Stripes #1 | 0 | - | 4.84 | 85,441 |
| Country Flags with the Sun - Picture Quiz | 0 | - | 4.83 | 53,029 |
| Ultimate Car Logos Quiz | 0 | - | 4.81 | 181,661 |
| National Football Team Logos | 0 | - | 4.85 | 180,775 |
| Old Movies by Picture | 0 | - | 4.51 | 25,146 |
| Musical Instruments by Picture #2 | 0 | - | 4.24 | 47,120 |
| Random Logos Quiz | 0 | - | 4.31 | 208,753 |
| Fruits by Picture | 0 | - | 4.19 | 807,894 |
| Geography by Picture - B | 0 | - | 4.42 | 55,667 |
| Geography by Picture - H | 0 | - | 4.50 | 58,275 |
| Geography by Picture - N | 0 | - | 4.45 | 42,243 |
| Geography by Picture - R | 0 | - | 4.56 | 41,067 |
| Geography by Picture - T | 0 | - | 4.54 | 57,893 |
| Flags to Languages | 0 | - | 4.95 | 173,893 |
| All North American Pro Sports Logos | 0 | - | 4.70 | 115,512 |
| Similar Country Flags - Multiple Choice Quiz | 0 | - | 4.94 | 50,675 |
| Three Real and One Fake - Country Flags | 0 | - | 4.97 | 84,311 |
| Name that Object #2 | 0 | - | 3.64 | 15,467 |
| Name that Object #3 | 0 | - | 3.93 | 14,421 |
| Pick a Picture - Animal Relations | 0 | - | 4.94 | 55,568 |
| Name that Historical Figure #1 | 0 | - | 4.63 | 338,056 |
| Name the Pixelated Landmark | 0 | - | 4.85 | 63,152 |
| Car Logos Quiz #1 | 0 | - | 4.52 | 540,658 |
| Name that Bug | 0 | - | 4.12 | 45,585 |
| Islands by Shape #1 | 0 | - | 4.33 | 84,414 |
| 1970s Celebrities by Picture #1 | 0 | - | 4.20 | 58,040 |
| 1970s Celebrities by Picture #2 | 0 | - | 4.21 | 50,767 |
| Elements by Picture | 0 | - | 4.27 | 70,068 |
| Rocks and Minerals Picture Quiz | 0 | - | 4.48 | 29,377 |
| Islands by Picture | 0 | - | 4.28 | 107,225 |
| Classic Movies by Movie Posters | 0 | - | 4.45 | 24,304 |
| Animals by Close-up Image | 0 | - | 4.42 | 218,528 |
| Aquatic Mammals by Picture | 0 | - | 4.41 | 45,757 |
| Extinct Animals by Picture | 0 | - | 4.49 | 35,320 |
| Mammals by Picture #1 | 0 | - | 4.70 | 91,995 |
| 1940s Celebrities by Picture | 0 | - | 4.43 | 48,087 |
| International Footballers by Picture | 0 | - | 4.50 | 55,850 |
| Name that Historical Figure #2 | 0 | - | 4.42 | 285,007 |
| Name that Historical Figure #5 | 0 | - | 4.43 | 107,957 |
| Name that Historical Figure #7 - U.S. Edition | 0 | - | 4.51 | 50,942 |
| Geography by Picture - A | 0 | - | 4.39 | 60,317 |
| Geography by Picture - D | 0 | - | 4.15 | 45,699 |
| Geography by Picture - F | 0 | - | 4.31 | 51,064 |
| Geography by Picture - G | 0 | - | 4.39 | 47,991 |
| Geography by Picture - J | 0 | - | 4.16 | 38,507 |
| Geography by Picture - K | 0 | - | 4.29 | 33,169 |
| Geography by Picture - C | 0 | - | 4.31 | 57,121 |
| Geography by Picture - L | 0 | - | 4.37 | 59,031 |
| Geography by Picture - M | 0 | - | 4.14 | 40,500 |
| Geography by Picture - P | 0 | - | 4.24 | 42,473 |
| Geography by Picture - S | 0 | - | 4.38 | 47,079 |
| Miscellaneous Flags Quiz | 0 | - | 4.42 | 280,917 |
| Flag Maths | 0 | - | 4.64 | 57,787 |
| Satellite Images #1 | 0 | - | 4.47 | 129,469 |
| Satellite Images Quiz #2 | 0 | - | 4.63 | 109,389 |
| Satellite Images Quiz #4 | 0 | - | 4.55 | 88,976 |
| Satellite Images Quiz #5 | 0 | - | 4.52 | 50,004 |
| Satellite Images Quiz #6 | 0 | - | 4.50 | 39,035 |
| Cities by Picture #1 | 0 | - | 4.73 | 86,153 |
| Soccer Team Logos | 0 | - | 4.26 | 375,480 |
| Car Logos Quiz #2 | 0 | - | 4.43 | 262,565 |
| Video Game Logos Quiz | 0 | - | 4.40 | 184,317 |
| Movie Logos | 0 | - | 4.33 | 239,064 |
| Brand Logos That Start with A | 0 | - | 4.52 | 70,616 |
| History by Picture - A | 0 | - | 4.26 | 45,916 |
| History by Picture - B | 0 | - | 4.40 | 49,106 |
| History by Picture - C | 0 | - | 4.36 | 54,613 |
| History by Picture - F | 0 | - | 4.35 | 37,987 |
| History by Picture - G | 0 | - | 4.40 | 42,237 |
| History by Picture - D | 0 | - | 4.29 | 44,422 |
| History by Picture - E | 0 | - | 4.25 | 44,039 |
| History by Picture - H | 0 | - | 4.37 | 36,881 |
| History by Picture - K | 0 | - | 4.35 | 33,444 |
| History by Picture - M | 0 | - | 4.17 | 36,229 |
| History by Picture - N | 0 | - | 4.40 | 41,351 |
| History by Picture - O | 0 | - | 4.39 | 36,391 |
| History by Picture - T | 0 | - | 4.20 | 33,389 |
| Name that Nut, Seed, or Bean | 0 | - | 4.63 | 57,403 |
| 1980s Movie Silhouettes | 0 | - | 4.97 | 104,079 |
| Country Flags Multiple Choice | 0 | - | 4.97 | 144,811 |
| Brand Logos Quiz #1 | 0 | - | 4.83 | 2,427,909 |
| Art Works Picture Quiz #1 | 0 | - | 4.51 | 119,455 |
| Art Works Picture Quiz #2 | 0 | - | 4.49 | 105,522 |
| Musical Instruments by Picture #1 | 0 | - | 4.52 | 269,217 |
| Foods by Picture | 0 | - | 3.81 | 226,257 |
| Flowers by Picture | 0 | - | 4.46 | 105,727 |
| Junk Foods by Picture | 0 | - | 3.69 | 96,476 |
| Art Works Picture Quiz #3 | 0 | - | 4.45 | 48,827 |
| Christmas by Picture | 0 | - | 4.26 | 28,200 |
| Hats by Picture | 0 | - | 4.21 | 17,987 |
| Weapons by Picture | 0 | - | 4.13 | 21,095 |
| Cars by Picture | 0 | - | 3.89 | 41,604 |
| Reptile Picture Quiz | 0 | - | 4.32 | 14,316 |
| Authors by Picture | 0 | - | 4.48 | 25,554 |
| Plants by Picture | 0 | - | 4.24 | 14,475 |
| Fruit and Vegetable Emojis | 0 | - | 4.45 | 90,294 |
| WWII Figures by Picture | 0 | - | 4.89 | 65,731 |
| College Sports Logos Quiz #3 | 0 | - | 4.30 | 55,932 |
| Planets By Picture Quiz | 0 | - | 4.49 | 56,996 |
| Songs by Picture Quiz #1 | 0 | - | 4.68 | 66,157 |
| Songs by Picture Quiz #2 | 0 | - | 4.42 | 59,004 |
| Fish by Picture #1 | 0 | - | 4.41 | 108,634 |
| Animals A-Z by Picture | 0 | - | 4.08 | 66,589 |
| Mammals by Picture #3 | 0 | - | 4.39 | 62,257 |
| Mammals by Picture #4 | 0 | - | 4.03 | 34,193 |
| Birds by Picture #1 | 0 | - | 4.47 | 41,787 |
| Mammals by Picture #2 | 0 | - | 4.28 | 58,338 |
| Oscar Nominated Actors by Picture #1 | 0 | - | 4.42 | 165,339 |
| 1960s Celebrities by Picture #1 | 0 | - | 4.27 | 70,534 |
| 1960s Celebrities by Picture #2 | 0 | - | 4.26 | 51,506 |
| 1950s Celebrities by Picture #1 | 0 | - | 4.24 | 51,244 |
| 1980s Celebrities by Picture #2 | 0 | - | 4.19 | 71,842 |
| 1990s Celebrities by Picture #1 | 0 | - | 4.14 | 79,536 |
| 1990s Celebrities by Picture #2 | 0 | - | 4.16 | 72,559 |
| 2000s Celebrities by Picture #2 | 0 | - | 4.15 | 95,744 |
| Women in History by Picture | 0 | - | 4.25 | 25,955 |
| 1950s Celebrities by Picture #2 | 0 | - | 4.29 | 46,224 |
| Famous Foreheads #2 | 0 | - | 3.17 | 15,804 |
| Name that Historical Figure #3 | 0 | - | 4.36 | 239,777 |
| Name that Historical Figure #4 | 0 | - | 4.29 | 159,427 |
| Name that Historical Figure #6 | 0 | - | 4.26 | 93,554 |
| Musicians by Picture #1 | 0 | - | 4.37 | 109,183 |
| Musicians by Picture #2 | 0 | - | 4.29 | 76,734 |
| Musicians by Picture #4 | 0 | - | 4.07 | 65,130 |
| Musicians by Picture #3 | 0 | - | 4.10 | 59,155 |
| Geography by Picture - E | 0 | - | 3.55 | 47,416 |
| Landforms by Picture | 0 | - | 4.31 | 20,700 |
| Geography by Picture - I | 0 | - | 4.00 | 39,463 |
| Geography by Picture - O | 0 | - | 4.01 | 28,170 |
| Emoji Flags | 0 | - | 4.35 | 44,148 |
| Fill the Map of Europe by Guessing Flag Colors | 0 | - | 4.68 | 37,977 |
| Languages by Combined Flags | 0 | - | 4.53 | 100,196 |
| Satellite Images Quiz #3 | 0 | - | 4.35 | 73,440 |
| Satellite Images - Island Chains | 0 | - | 4.43 | 66,597 |
| Islands by Satellite Image #1 | 0 | - | 4.70 | 70,897 |
| Peninsulas by Satellite Image | 0 | - | 4.53 | 27,846 |
| Landmarks Picture Quiz #1 | 0 | - | 4.16 | 394,887 |
| Airline Logos | 0 | - | 4.45 | 140,973 |
| Fast Food Logos Quiz | 0 | - | 4.45 | 248,758 |
| Mostly-American Candy Logos | 0 | - | 4.14 | 159,336 |
| Brand Logos That Start With M | 0 | - | 4.40 | 63,070 |
| Brand Logos That Start With S | 0 | - | 4.37 | 57,856 |
| Brand Logos That Start With B | 0 | - | 4.38 | 60,192 |
| Brand Logos That Start With D | 0 | - | 4.37 | 61,772 |
| Brand Logos That Start With L | 0 | - | 4.39 | 61,407 |
| Brand Logos That Start With C | 0 | - | 4.17 | 49,832 |
| History by Picture - I | 0 | - | 4.24 | 26,304 |
| History by Picture - J | 0 | - | 4.18 | 26,806 |
| History by Picture - L | 0 | - | 4.18 | 30,861 |
| History by Picture - P | 0 | - | 4.08 | 25,356 |
| History by Picture - Q | 0 | - | 4.03 | 22,143 |
| History by Picture - R | 0 | - | 4.13 | 26,922 |
| History by Picture - S | 0 | - | 4.14 | 27,853 |
| History by Picture - U | 0 | - | 4.24 | 25,200 |
