| Former Countries by Territory Map | 0 | - | 4.96 | 103,176 |
| Empires by Maps | 0 | - | 4.98 | 121,036 |
| Merged Company Logos #1 | 0 | - | 4.90 | 106,845 |
| Islands by Shape #2 | 0 | - | 4.88 | 59,368 |
| Visual Memory Test - Random Cartoons | 0 | - | 4.98 | 104,754 |
| Play-Doh People from History | 0 | - | 4.99 | 95,109 |
| Circular Cutouts from a World Map | 0 | - | 4.98 | 61,786 |
| All Country Flags of the World | 0 | - | 5.00 | 3,683,879 |
| Years in History by Picture | 0 | - | 4.44 | 35,631 |
| Famous Foreheads #1 | 0 | - | 4.47 | 75,124 |
| Country Flags Quiz #1 | 0 | - | 4.98 | 2,540,758 |
| Country Flags Quiz #2 | 0 | - | 4.99 | 1,094,593 |
| Country Flags Quiz #3 | 0 | - | 4.97 | 734,608 |
| Old Movies by Picture | 0 | - | 4.51 | 25,157 |
| Musical Instruments by Picture #2 | 0 | - | 4.24 | 47,147 |
| Name that Object #2 | 0 | - | 3.64 | 15,471 |
| Name that Object #3 | 0 | - | 3.93 | 14,426 |
| Animals by Skeleton Image | 0 | - | 4.81 | 46,691 |
| Make a Stained Glass Window | 0 | - | 5.00 | 68,730 |
| Flags with Crescents | 0 | - | 4.98 | 170,365 |
| Country Flag Trivia | 0 | - | 4.81 | 57,437 |
| Country Flags with Eagles - Picture Quiz | 0 | - | 4.98 | 104,213 |
| Country Flags with the Union Jack | 0 | - | 4.87 | 77,883 |
| Pixelated Flag Quiz | 0 | - | 4.97 | 87,870 |
| Flag Emblems Scavenger Hunt | 0 | - | 5.00 | 67,532 |
| Flags by Horizontal Stripes #1 | 0 | - | 4.84 | 85,529 |
| Country Flags with the Sun - Picture Quiz | 0 | - | 4.83 | 53,095 |
| Random Logos Quiz | 0 | - | 4.33 | 208,841 |
| Ultimate Car Logos Quiz | 0 | - | 4.81 | 182,029 |
| National Football Team Logos | 0 | - | 4.85 | 180,917 |
| Pictures by Letter - A | 0 | - | 4.18 | 33,522 |
| Pictures by Letter - J | 0 | - | 4.31 | 40,153 |
| Pictures by Letter - B | 0 | - | 4.32 | 44,096 |
| Pictures by Letter - D | 0 | - | 4.14 | 37,692 |
| Pictures by Letter - M | 0 | - | 4.24 | 37,892 |
| Fruits by Picture | 0 | - | 4.19 | 808,121 |
| Geography by Picture - B | 0 | - | 4.42 | 55,685 |
| Geography by Picture - H | 0 | - | 4.50 | 58,290 |
| Geography by Picture - N | 0 | - | 4.45 | 42,261 |
| Geography by Picture - R | 0 | - | 4.56 | 41,080 |
| Geography by Picture - T | 0 | - | 4.54 | 57,911 |
| All North American Pro Sports Logos | 0 | - | 4.70 | 115,642 |
| Flags to Languages | 0 | - | 4.95 | 173,966 |
| Pictures by Letter - E | 0 | - | 3.51 | 34,564 |
| Pictures by Letter - G | 0 | - | 4.14 | 28,268 |
| Pictures by Letter - L | 0 | - | 4.14 | 30,658 |
| Pictures by Letter - F | 0 | - | 4.18 | 29,148 |
| Pictures by Letter - Z | 0 | - | 4.05 | 23,524 |
| Pictures by Letter - Y | 0 | - | 4.21 | 26,382 |
| Pictures by Letter - R | 0 | - | 4.05 | 24,847 |
| Pictures by Letter - K | 0 | - | 4.18 | 25,202 |
| Pictures by Letter - I | 0 | - | 4.16 | 30,471 |
| Pictures by Letter - N | 0 | - | 4.11 | 24,570 |
| Pictures by Letter - P | 0 | - | 4.05 | 26,127 |
| Pictures by Letter - U | 0 | - | 4.10 | 20,847 |
| Pictures by Letter - T | 0 | - | 4.34 | 27,766 |
| Similar Country Flags - Multiple Choice Quiz | 0 | - | 4.94 | 50,735 |
| Name that Historical Figure #1 | 0 | - | 4.63 | 338,250 |
| Car Logos Quiz #1 | 0 | - | 4.52 | 541,216 |
| Name that Bug | 0 | - | 4.12 | 45,594 |
| Islands by Shape #1 | 0 | - | 4.33 | 84,427 |
| 1970s Celebrities by Picture #1 | 0 | - | 4.20 | 58,069 |
| 1970s Celebrities by Picture #2 | 0 | - | 4.21 | 50,786 |
| Elements by Picture | 0 | - | 4.27 | 70,107 |
| Rocks and Minerals Picture Quiz | 0 | - | 4.48 | 29,396 |
| Islands by Picture | 0 | - | 4.28 | 107,304 |
| Classic Movies by Movie Posters | 0 | - | 4.45 | 24,345 |
| Geography by Picture - A | 0 | - | 4.39 | 60,333 |
| Geography by Picture - D | 0 | - | 4.15 | 45,715 |
| Geography by Picture - F | 0 | - | 4.31 | 51,080 |
| Geography by Picture - G | 0 | - | 4.39 | 48,009 |
| Geography by Picture - J | 0 | - | 4.16 | 38,519 |
| Geography by Picture - K | 0 | - | 4.29 | 33,180 |
| Geography by Picture - C | 0 | - | 4.31 | 57,140 |
| Geography by Picture - L | 0 | - | 4.37 | 59,052 |
| Geography by Picture - M | 0 | - | 4.14 | 40,513 |
| Geography by Picture - P | 0 | - | 4.24 | 42,491 |
| Geography by Picture - S | 0 | - | 4.38 | 47,096 |
| Video Game Logos Quiz | 0 | - | 4.40 | 184,432 |
| Movie Logos | 0 | - | 4.33 | 239,264 |
| History by Picture - A | 0 | - | 4.26 | 45,965 |
| History by Picture - B | 0 | - | 4.40 | 49,142 |
| History by Picture - C | 0 | - | 4.36 | 54,661 |
| History by Picture - F | 0 | - | 4.35 | 38,016 |
| History by Picture - G | 0 | - | 4.40 | 42,269 |
| History by Picture - D | 0 | - | 4.29 | 44,460 |
| History by Picture - E | 0 | - | 4.25 | 44,067 |
| History by Picture - H | 0 | - | 4.37 | 36,912 |
| History by Picture - K | 0 | - | 4.35 | 33,467 |
| History by Picture - M | 0 | - | 4.17 | 36,244 |
| History by Picture - N | 0 | - | 4.40 | 41,379 |
| History by Picture - O | 0 | - | 4.39 | 36,415 |
| History by Picture - T | 0 | - | 4.20 | 33,409 |
| Three Real and One Fake - Country Flags | 0 | - | 4.97 | 84,364 |
| Animals by Close-up Image | 0 | - | 4.42 | 218,616 |
| Aquatic Mammals by Picture | 0 | - | 4.41 | 45,804 |
| Extinct Animals by Picture | 0 | - | 4.49 | 35,351 |
| Mammals by Picture #1 | 0 | - | 4.70 | 92,068 |
| Pick a Picture - Animal Relations | 0 | - | 4.94 | 55,613 |
| 1940s Celebrities by Picture | 0 | - | 4.43 | 48,100 |
| International Footballers by Picture | 0 | - | 4.51 | 55,953 |
| Name that Historical Figure #2 | 0 | - | 4.42 | 285,170 |
| Name that Historical Figure #5 | 0 | - | 4.43 | 108,052 |
| Name that Historical Figure #7 - U.S. Edition | 0 | - | 4.51 | 50,979 |
| Miscellaneous Flags Quiz | 0 | - | 4.42 | 281,116 |
| Flag Maths | 0 | - | 4.64 | 57,796 |
| Satellite Images #1 | 0 | - | 4.47 | 129,499 |
| Satellite Images Quiz #2 | 0 | - | 4.63 | 109,417 |
| Satellite Images Quiz #4 | 0 | - | 4.55 | 89,002 |
| Satellite Images Quiz #5 | 0 | - | 4.52 | 50,020 |
| Satellite Images Quiz #6 | 0 | - | 4.50 | 39,050 |
| Name the Pixelated Landmark | 0 | - | 4.85 | 63,196 |
| Cities by Picture #1 | 0 | - | 4.73 | 86,221 |
| Soccer Team Logos | 0 | - | 4.26 | 375,811 |
| Car Logos Quiz #2 | 0 | - | 4.43 | 262,761 |
| Brand Logos That Start with A | 0 | - | 4.52 | 70,701 |
| Name that Nut, Seed, or Bean | 0 | - | 4.63 | 57,445 |
| Foods by Picture | 0 | - | 3.81 | 226,304 |
| Junk Foods by Picture | 0 | - | 3.69 | 96,516 |
| Christmas by Picture | 0 | - | 4.26 | 28,203 |
| Hats by Picture | 0 | - | 4.21 | 17,993 |
| Weapons by Picture | 0 | - | 4.13 | 21,111 |
| Cars by Picture | 0 | - | 3.89 | 41,632 |
| Reptile Picture Quiz | 0 | - | 4.32 | 14,325 |
| Plants by Picture | 0 | - | 4.24 | 14,485 |
| 1980s Movie Silhouettes | 0 | - | 4.97 | 104,161 |
| Women in History by Picture | 0 | - | 4.25 | 25,969 |
| Famous Foreheads #2 | 0 | - | 3.17 | 15,813 |
| Geography by Picture - E | 0 | - | 3.55 | 47,435 |
| Landforms by Picture | 0 | - | 4.31 | 20,706 |
| Geography by Picture - I | 0 | - | 4.00 | 39,475 |
| Geography by Picture - O | 0 | - | 4.01 | 28,182 |
| Country Flags Multiple Choice | 0 | - | 4.97 | 144,895 |
| Pictures by Letter - H | 0 | - | 3.97 | 30,562 |
| Pictures by Letter - C | 0 | - | 4.00 | 30,303 |
| Pictures by Letter - O | 0 | - | 3.98 | 28,757 |
| Pictures by Letter - Q | 0 | - | 3.92 | 20,502 |
| Pictures by Letter - S | 0 | - | 3.82 | 21,022 |
| Pictures by Letter - W | 0 | - | 3.87 | 20,206 |
| Pictures by Letter - V | 0 | - | 4.00 | 18,052 |
| History by Picture - I | 0 | - | 4.24 | 26,330 |
| History by Picture - J | 0 | - | 4.18 | 26,827 |
| History by Picture - L | 0 | - | 4.18 | 30,878 |
| History by Picture - P | 0 | - | 4.08 | 25,368 |
| History by Picture - Q | 0 | - | 4.03 | 22,163 |
| History by Picture - R | 0 | - | 4.13 | 26,936 |
| History by Picture - S | 0 | - | 4.14 | 27,868 |
| History by Picture - U | 0 | - | 4.24 | 25,219 |
| History by Picture - V | 0 | - | 4.30 | 25,196 |
| History by Picture - W | 0 | - | 4.01 | 21,718 |
| Art Works Picture Quiz #1 | 0 | - | 4.51 | 119,516 |
| Art Works Picture Quiz #2 | 0 | - | 4.49 | 105,583 |
| Musical Instruments by Picture #1 | 0 | - | 4.52 | 269,305 |
| Flowers by Picture | 0 | - | 4.46 | 105,742 |
| Art Works Picture Quiz #3 | 0 | - | 4.45 | 48,854 |
| Authors by Picture | 0 | - | 4.48 | 25,572 |
| Fruit and Vegetable Emojis | 0 | - | 4.45 | 90,411 |
| College Sports Logos Quiz #3 | 0 | - | 4.30 | 55,963 |
| Planets By Picture Quiz | 0 | - | 4.49 | 57,059 |
| Songs by Picture Quiz #1 | 0 | - | 4.68 | 66,206 |
| Songs by Picture Quiz #2 | 0 | - | 4.42 | 59,052 |
| Fish by Picture #1 | 0 | - | 4.41 | 108,655 |
| Animals A-Z by Picture | 0 | - | 4.08 | 66,639 |
| Mammals by Picture #3 | 0 | - | 4.39 | 62,296 |
| Mammals by Picture #4 | 0 | - | 4.03 | 34,215 |
| Birds by Picture #1 | 0 | - | 4.47 | 41,837 |
| Mammals by Picture #2 | 0 | - | 4.28 | 58,369 |
| Oscar Nominated Actors by Picture #1 | 0 | - | 4.42 | 165,389 |
| 1960s Celebrities by Picture #1 | 0 | - | 4.27 | 70,574 |
| 1960s Celebrities by Picture #2 | 0 | - | 4.26 | 51,535 |
| 1950s Celebrities by Picture #1 | 0 | - | 4.24 | 51,260 |
| 1980s Celebrities by Picture #2 | 0 | - | 4.19 | 71,885 |
| 1990s Celebrities by Picture #1 | 0 | - | 4.14 | 79,569 |
| 1990s Celebrities by Picture #2 | 0 | - | 4.16 | 72,604 |
| 2000s Celebrities by Picture #2 | 0 | - | 4.15 | 95,800 |
| 1950s Celebrities by Picture #2 | 0 | - | 4.29 | 46,243 |
| Name that Historical Figure #3 | 0 | - | 4.36 | 239,917 |
| Name that Historical Figure #4 | 0 | - | 4.29 | 159,543 |
| Name that Historical Figure #6 | 0 | - | 4.26 | 93,644 |
| Musicians by Picture #1 | 0 | - | 4.37 | 109,337 |
| Musicians by Picture #2 | 0 | - | 4.29 | 76,853 |
| Musicians by Picture #4 | 0 | - | 4.07 | 65,220 |
| Musicians by Picture #3 | 0 | - | 4.10 | 59,240 |
| Emoji Flags | 0 | - | 4.35 | 44,168 |
| Fill the Map of Europe by Guessing Flag Colors | 0 | - | 4.68 | 38,025 |
| Languages by Combined Flags | 0 | - | 4.53 | 100,257 |
| Satellite Images Quiz #3 | 0 | - | 4.35 | 73,458 |
| Satellite Images - Island Chains | 0 | - | 4.43 | 66,653 |
| Islands by Satellite Image #1 | 0 | - | 4.70 | 70,959 |
| Peninsulas by Satellite Image | 0 | - | 4.53 | 27,864 |
| Landmarks Picture Quiz #1 | 0 | - | 4.16 | 395,032 |
| Airline Logos | 0 | - | 4.45 | 141,050 |
| Brand Logos Quiz #1 | 0 | - | 4.83 | 2,429,582 |
| Fast Food Logos Quiz | 0 | - | 4.45 | 248,857 |
| Mostly-American Candy Logos | 0 | - | 4.14 | 159,425 |
| Brand Logos That Start With M | 0 | - | 4.40 | 63,146 |
| Brand Logos That Start With S | 0 | - | 4.37 | 57,925 |
| Brand Logos That Start With B | 0 | - | 4.38 | 60,286 |
| Brand Logos That Start With D | 0 | - | 4.35 | 61,831 |
| Brand Logos That Start With L | 0 | - | 4.39 | 61,475 |
