| Former Countries by Territory Map | 0 | - | 4.96 | 103,431 |
| Empires by Maps | 0 | - | 4.98 | 121,424 |
| Merged Company Logos #1 | 0 | - | 4.90 | 107,014 |
| Islands by Shape #2 | 0 | - | 4.88 | 59,436 |
| Name that Object #1 | 0 | - | 3.57 | 96,565 |
| Visual Memory Test - Random Cartoons | 0 | - | 4.98 | 105,047 |
| Play-Doh People from History | 0 | - | 4.99 | 95,307 |
| Circular Cutouts from a World Map | 0 | - | 4.98 | 61,920 |
| All Country Flags of the World | 0 | - | 5.00 | 3,697,494 |
| Years in History by Picture | 0 | - | 4.44 | 35,688 |
| Famous Foreheads #1 | 0 | - | 4.47 | 75,254 |
| Merged Company Logos #2 | 0 | - | 4.75 | 77,943 |
| Country Flags Quiz #1 | 0 | - | 4.98 | 2,543,008 |
| Country Flags Quiz #2 | 0 | - | 4.99 | 1,095,756 |
| Country Flags Quiz #3 | 0 | - | 4.97 | 735,429 |
| Old Movies by Picture | 0 | - | 4.51 | 25,199 |
| Musical Instruments by Picture #2 | 0 | - | 4.24 | 47,237 |
| Name that Object #2 | 0 | - | 3.64 | 15,491 |
| Name that Object #3 | 0 | - | 3.93 | 14,443 |
| Animals by Skeleton Image | 0 | - | 4.81 | 46,797 |
| Make a Stained Glass Window | 0 | - | 5.00 | 68,872 |
| Flags with Crescents | 0 | - | 4.98 | 170,856 |
| Country Flag Trivia | 0 | - | 4.81 | 57,715 |
| Country Flags with Eagles - Picture Quiz | 0 | - | 4.98 | 104,544 |
| Country Flags with the Union Jack | 0 | - | 4.87 | 78,121 |
| Pixelated Flag Quiz | 0 | - | 4.97 | 88,217 |
| Flag Emblems Scavenger Hunt | 0 | - | 5.00 | 67,712 |
| Flags by Horizontal Stripes #1 | 0 | - | 4.84 | 85,739 |
| Country Flags with the Sun - Picture Quiz | 0 | - | 4.83 | 53,300 |
| Random Logos Quiz | 0 | - | 4.33 | 209,085 |
| Ultimate Car Logos Quiz | 0 | - | 4.81 | 182,955 |
| National Football Team Logos | 0 | - | 4.85 | 181,307 |
| Pictures by Letter - A | 0 | - | 4.18 | 33,573 |
| Pictures by Letter - J | 0 | - | 4.31 | 40,213 |
| Pictures by Letter - B | 0 | - | 4.32 | 44,171 |
| Pictures by Letter - D | 0 | - | 4.14 | 37,739 |
| Pictures by Letter - M | 0 | - | 4.24 | 37,938 |
| Fruits by Picture | 0 | - | 4.19 | 808,602 |
| Geography by Picture - B | 0 | - | 4.42 | 55,731 |
| Geography by Picture - H | 0 | - | 4.50 | 58,334 |
| Geography by Picture - N | 0 | - | 4.45 | 42,301 |
| Geography by Picture - R | 0 | - | 4.56 | 41,109 |
| Geography by Picture - T | 0 | - | 4.54 | 57,953 |
| All North American Pro Sports Logos | 0 | - | 4.70 | 115,964 |
| Flags to Languages | 0 | - | 4.95 | 174,230 |
| Pictures by Letter - E | 0 | - | 3.51 | 34,600 |
| Pictures by Letter - G | 0 | - | 4.14 | 28,327 |
| Pictures by Letter - L | 0 | - | 4.14 | 30,701 |
| Pictures by Letter - F | 0 | - | 4.18 | 29,199 |
| Pictures by Letter - Z | 0 | - | 4.05 | 23,556 |
| Pictures by Letter - Y | 0 | - | 4.21 | 26,413 |
| Pictures by Letter - R | 0 | - | 4.05 | 24,878 |
| Pictures by Letter - K | 0 | - | 4.18 | 25,243 |
| Pictures by Letter - I | 0 | - | 4.16 | 30,519 |
| Pictures by Letter - N | 0 | - | 4.11 | 24,606 |
| Pictures by Letter - P | 0 | - | 4.05 | 26,161 |
| Pictures by Letter - U | 0 | - | 4.10 | 20,885 |
| Pictures by Letter - T | 0 | - | 4.34 | 27,804 |
| Similar Country Flags - Multiple Choice Quiz | 0 | - | 4.94 | 50,886 |
| Name that Historical Figure #1 | 0 | - | 4.63 | 338,683 |
| Car Logos Quiz #1 | 0 | - | 4.52 | 542,576 |
| Name that Bug | 0 | - | 4.12 | 45,609 |
| Islands by Shape #1 | 0 | - | 4.33 | 84,465 |
| 1970s Celebrities by Picture #1 | 0 | - | 4.20 | 58,140 |
| 1970s Celebrities by Picture #2 | 0 | - | 4.21 | 50,848 |
| Elements by Picture | 0 | - | 4.27 | 70,193 |
| Rocks and Minerals Picture Quiz | 0 | - | 4.48 | 29,454 |
| Islands by Picture | 0 | - | 4.28 | 107,525 |
| Classic Movies by Movie Posters | 0 | - | 4.45 | 24,412 |
| Geography by Picture - A | 0 | - | 4.39 | 60,382 |
| Geography by Picture - D | 0 | - | 4.15 | 45,751 |
| Geography by Picture - F | 0 | - | 4.31 | 51,128 |
| Geography by Picture - G | 0 | - | 4.39 | 48,047 |
| Geography by Picture - J | 0 | - | 4.16 | 38,557 |
| Geography by Picture - K | 0 | - | 4.29 | 33,215 |
| Geography by Picture - C | 0 | - | 4.31 | 57,184 |
| Geography by Picture - L | 0 | - | 4.37 | 59,088 |
| Geography by Picture - M | 0 | - | 4.14 | 40,546 |
| Geography by Picture - P | 0 | - | 4.24 | 42,528 |
| Geography by Picture - S | 0 | - | 4.38 | 47,141 |
| Video Game Logos Quiz | 0 | - | 4.40 | 184,699 |
| Movie Logos | 0 | - | 4.33 | 239,758 |
| History by Picture - A | 0 | - | 4.26 | 46,040 |
| History by Picture - B | 0 | - | 4.40 | 49,218 |
| History by Picture - C | 0 | - | 4.36 | 54,747 |
| History by Picture - F | 0 | - | 4.35 | 38,095 |
| History by Picture - G | 0 | - | 4.40 | 42,336 |
| History by Picture - D | 0 | - | 4.29 | 44,545 |
| History by Picture - E | 0 | - | 4.25 | 44,130 |
| History by Picture - H | 0 | - | 4.37 | 36,986 |
| History by Picture - K | 0 | - | 4.35 | 33,525 |
| History by Picture - M | 0 | - | 4.17 | 36,306 |
| History by Picture - N | 0 | - | 4.40 | 41,446 |
| History by Picture - O | 0 | - | 4.39 | 36,475 |
| History by Picture - T | 0 | - | 4.20 | 33,466 |
| Animals by Close-up Image | 0 | - | 4.42 | 218,812 |
| Aquatic Mammals by Picture | 0 | - | 4.41 | 45,889 |
| Extinct Animals by Picture | 0 | - | 4.49 | 35,409 |
| Mammals by Picture #1 | 0 | - | 4.70 | 92,224 |
| Pick a Picture - Animal Relations | 0 | - | 4.94 | 55,722 |
| 1940s Celebrities by Picture | 0 | - | 4.43 | 48,148 |
| International Footballers by Picture | 0 | - | 4.51 | 56,172 |
| Name that Historical Figure #2 | 0 | - | 4.42 | 285,561 |
| Name that Historical Figure #5 | 0 | - | 4.43 | 108,265 |
| Name that Historical Figure #7 - U.S. Edition | 0 | - | 4.51 | 51,076 |
| Miscellaneous Flags Quiz | 0 | - | 4.42 | 281,563 |
| Flag Maths | 0 | - | 4.61 | 57,814 |
| Satellite Images #1 | 0 | - | 4.47 | 129,589 |
| Satellite Images Quiz #2 | 0 | - | 4.63 | 109,484 |
| Satellite Images Quiz #4 | 0 | - | 4.55 | 89,067 |
| Satellite Images Quiz #5 | 0 | - | 4.52 | 50,088 |
| Satellite Images Quiz #6 | 0 | - | 4.50 | 39,097 |
| Name the Pixelated Landmark | 0 | - | 4.85 | 63,310 |
| Cities by Picture #1 | 0 | - | 4.74 | 86,424 |
| Soccer Team Logos | 0 | - | 4.26 | 376,625 |
| Car Logos Quiz #2 | 0 | - | 4.43 | 263,278 |
| Brand Logos That Start with A | 0 | - | 4.52 | 70,913 |
| Name that Nut, Seed, or Bean | 0 | - | 4.57 | 57,558 |
| Three Real and One Fake - Country Flags | 0 | - | 4.97 | 84,567 |
| Foods by Picture | 0 | - | 3.81 | 226,428 |
| Junk Foods by Picture | 0 | - | 3.69 | 96,591 |
| Christmas by Picture | 0 | - | 4.26 | 28,215 |
| Hats by Picture | 0 | - | 4.21 | 18,004 |
| Weapons by Picture | 0 | - | 4.13 | 21,132 |
| Cars by Picture | 0 | - | 3.89 | 41,724 |
| Reptile Picture Quiz | 0 | - | 4.32 | 14,348 |
| Plants by Picture | 0 | - | 4.24 | 14,502 |
| 1980s Movie Silhouettes | 0 | - | 4.97 | 104,450 |
| Women in History by Picture | 0 | - | 4.25 | 25,995 |
| Famous Foreheads #2 | 0 | - | 3.17 | 15,829 |
| Geography by Picture - E | 0 | - | 3.55 | 47,465 |
| Landforms by Picture | 0 | - | 4.31 | 20,730 |
| Geography by Picture - I | 0 | - | 4.00 | 39,504 |
| Geography by Picture - O | 0 | - | 4.01 | 28,211 |
| Country Flags Multiple Choice | 0 | - | 4.97 | 145,165 |
| Pictures by Letter - H | 0 | - | 3.97 | 30,609 |
| Pictures by Letter - C | 0 | - | 4.00 | 30,344 |
| Pictures by Letter - O | 0 | - | 3.98 | 28,796 |
| Pictures by Letter - Q | 0 | - | 3.92 | 20,535 |
| Pictures by Letter - S | 0 | - | 3.82 | 21,061 |
| Pictures by Letter - W | 0 | - | 3.87 | 20,245 |
| Pictures by Letter - V | 0 | - | 4.00 | 18,076 |
| History by Picture - I | 0 | - | 4.24 | 26,379 |
| History by Picture - J | 0 | - | 4.18 | 26,870 |
| History by Picture - L | 0 | - | 4.18 | 30,933 |
| History by Picture - P | 0 | - | 4.08 | 25,415 |
| History by Picture - Q | 0 | - | 4.03 | 22,203 |
| History by Picture - R | 0 | - | 4.13 | 26,989 |
| History by Picture - S | 0 | - | 4.14 | 27,919 |
| History by Picture - U | 0 | - | 4.25 | 25,266 |
| History by Picture - V | 0 | - | 4.31 | 25,244 |
| History by Picture - W | 0 | - | 4.01 | 21,765 |
| Art Works Picture Quiz #1 | 0 | - | 4.51 | 119,650 |
| Art Works Picture Quiz #2 | 0 | - | 4.49 | 105,703 |
| Musical Instruments by Picture #1 | 0 | - | 4.52 | 269,533 |
| Flowers by Picture | 0 | - | 4.46 | 105,801 |
| Art Works Picture Quiz #3 | 0 | - | 4.45 | 48,901 |
| Authors by Picture | 0 | - | 4.48 | 25,602 |
| Fruit and Vegetable Emojis | 0 | - | 4.45 | 90,650 |
| College Sports Logos Quiz #3 | 0 | - | 4.30 | 56,055 |
| Planets By Picture Quiz | 0 | - | 4.49 | 57,204 |
| Songs by Picture Quiz #1 | 0 | - | 4.68 | 66,379 |
| Songs by Picture Quiz #2 | 0 | - | 4.42 | 59,192 |
| Fish by Picture #1 | 0 | - | 4.41 | 108,740 |
| Animals A-Z by Picture | 0 | - | 4.08 | 66,728 |
| Mammals by Picture #3 | 0 | - | 4.39 | 62,386 |
| Mammals by Picture #4 | 0 | - | 4.03 | 34,249 |
| Birds by Picture #1 | 0 | - | 4.47 | 41,931 |
| Mammals by Picture #2 | 0 | - | 4.28 | 58,439 |
| Oscar Nominated Actors by Picture #1 | 0 | - | 4.42 | 165,680 |
| 1960s Celebrities by Picture #1 | 0 | - | 4.27 | 70,653 |
| 1960s Celebrities by Picture #2 | 0 | - | 4.26 | 51,587 |
| 1950s Celebrities by Picture #1 | 0 | - | 4.24 | 51,312 |
| 1980s Celebrities by Picture #2 | 0 | - | 4.19 | 71,993 |
| 1990s Celebrities by Picture #1 | 0 | - | 4.14 | 79,663 |
| 1990s Celebrities by Picture #2 | 0 | - | 4.16 | 72,707 |
| 2000s Celebrities by Picture #2 | 0 | - | 4.15 | 95,933 |
| 1950s Celebrities by Picture #2 | 0 | - | 4.29 | 46,300 |
| Name that Historical Figure #3 | 0 | - | 4.36 | 240,248 |
| Name that Historical Figure #4 | 0 | - | 4.29 | 159,757 |
| Name that Historical Figure #6 | 0 | - | 4.26 | 93,815 |
| Musicians by Picture #1 | 0 | - | 4.37 | 109,668 |
| Musicians by Picture #2 | 0 | - | 4.29 | 77,119 |
| Musicians by Picture #4 | 0 | - | 4.07 | 65,407 |
| Musicians by Picture #3 | 0 | - | 4.10 | 59,393 |
| Emoji Flags | 0 | - | 4.35 | 44,226 |
| Fill the Map of Europe by Guessing Flag Colors | 0 | - | 4.68 | 38,129 |
| Languages by Combined Flags | 0 | - | 4.53 | 100,439 |
| Satellite Images Quiz #3 | 0 | - | 4.35 | 73,509 |
| Satellite Images - Island Chains | 0 | - | 4.43 | 66,799 |
| Islands by Satellite Image #1 | 0 | - | 4.70 | 71,106 |
| Peninsulas by Satellite Image | 0 | - | 4.53 | 27,896 |
| Landmarks Picture Quiz #1 | 0 | - | 4.16 | 395,317 |
| Airline Logos | 0 | - | 4.45 | 141,227 |
| Brand Logos Quiz #1 | 0 | - | 4.83 | 2,433,584 |
| Fast Food Logos Quiz | 0 | - | 4.45 | 249,155 |
| Mostly-American Candy Logos | 0 | - | 4.14 | 159,641 |
| Brand Logos That Start With M | 0 | - | 4.38 | 63,319 |
| Brand Logos That Start With S | 0 | - | 4.37 | 58,083 |
| Brand Logos That Start With B | 0 | - | 4.38 | 60,440 |
