| Former Countries by Territory Map | 0 | - | 4.96 | 102,375 |
| Empires by Maps | 0 | - | 4.98 | 119,719 |
| Islands by Shape #2 | 0 | - | 4.88 | 59,157 |
| Name that Object #1 | 0 | - | 3.57 | 96,443 |
| Visual Memory Test - Random Cartoons | 0 | - | 4.98 | 103,692 |
| Play-Doh People from History | 0 | - | 4.99 | 94,446 |
| Circular Cutouts from a World Map | 0 | - | 4.98 | 61,355 |
| All Country Flags of the World | 0 | - | 5.00 | 3,639,131 |
| Years in History by Picture | 0 | - | 4.44 | 35,393 |
| Famous Foreheads #1 | 0 | - | 4.47 | 74,639 |
| Country Flags Quiz #1 | 0 | - | 4.98 | 2,532,892 |
| Country Flags Quiz #2 | 0 | - | 4.98 | 1,090,766 |
| Country Flags Quiz #3 | 0 | - | 4.97 | 732,021 |
| Old Movies by Picture | 0 | - | 4.51 | 25,013 |
| Musical Instruments by Picture #2 | 0 | - | 4.24 | 46,893 |
| Name that Object #2 | 0 | - | 3.64 | 15,410 |
| Name that Object #3 | 0 | - | 3.93 | 14,366 |
| Make a Stained Glass Window | 0 | - | 5.00 | 68,262 |
| Flags with Crescents | 0 | - | 4.98 | 168,770 |
| Country Flag Trivia | 0 | - | 4.81 | 56,620 |
| Country Flags with Eagles - Picture Quiz | 0 | - | 4.98 | 103,218 |
| Country Flags with the Union Jack | 0 | - | 4.87 | 77,092 |
| Pixelated Flag Quiz | 0 | - | 4.98 | 86,806 |
| Flag Emblems Scavenger Hunt | 0 | - | 5.00 | 66,968 |
| Flags by Horizontal Stripes #1 | 0 | - | 4.84 | 84,871 |
| Country Flags with the Sun - Picture Quiz | 0 | - | 4.83 | 52,506 |
| Random Logos Quiz | 0 | - | 4.31 | 207,907 |
| National Football Team Logos | 0 | - | 4.85 | 179,757 |
| Pictures by Letter - A | 0 | - | 4.17 | 33,309 |
| Pictures by Letter - J | 0 | - | 4.31 | 39,926 |
| Pictures by Letter - B | 0 | - | 4.31 | 43,826 |
| Pictures by Letter - D | 0 | - | 4.13 | 37,496 |
| Pictures by Letter - M | 0 | - | 4.24 | 37,704 |
| Fruits by Picture | 0 | - | 4.19 | 806,279 |
| Geography by Picture - B | 0 | - | 4.42 | 55,526 |
| Geography by Picture - H | 0 | - | 4.50 | 58,151 |
| Geography by Picture - N | 0 | - | 4.45 | 42,141 |
| Geography by Picture - R | 0 | - | 4.56 | 40,962 |
| Geography by Picture - T | 0 | - | 4.54 | 57,776 |
| All North American Pro Sports Logos | 0 | - | 4.70 | 114,449 |
| Flags to Languages | 0 | - | 4.95 | 173,203 |
| Pictures by Letter - E | 0 | - | 3.49 | 34,411 |
| Pictures by Letter - G | 0 | - | 4.14 | 28,063 |
| Pictures by Letter - L | 0 | - | 4.14 | 30,477 |
| Pictures by Letter - F | 0 | - | 4.17 | 28,951 |
| Pictures by Letter - Z | 0 | - | 4.05 | 23,399 |
| Pictures by Letter - Y | 0 | - | 4.22 | 26,228 |
| Pictures by Letter - R | 0 | - | 4.05 | 24,706 |
| Pictures by Letter - K | 0 | - | 4.18 | 25,051 |
| Pictures by Letter - I | 0 | - | 4.16 | 30,321 |
| Pictures by Letter - N | 0 | - | 4.11 | 24,440 |
| Pictures by Letter - P | 0 | - | 4.05 | 25,977 |
| Pictures by Letter - U | 0 | - | 4.10 | 20,734 |
| Pictures by Letter - T | 0 | - | 4.34 | 27,616 |
| Similar Country Flags - Multiple Choice Quiz | 0 | - | 4.94 | 50,302 |
| Name that Historical Figure #1 | 0 | - | 4.63 | 336,800 |
| Car Logos Quiz #1 | 0 | - | 4.44 | 536,536 |
| Name that Bug | 0 | - | 4.12 | 45,516 |
| Islands by Shape #1 | 0 | - | 4.32 | 84,277 |
| 1970s Celebrities by Picture #1 | 0 | - | 4.20 | 57,826 |
| 1970s Celebrities by Picture #2 | 0 | - | 4.21 | 50,575 |
| Elements by Picture | 0 | - | 4.27 | 69,783 |
| Rocks and Minerals Picture Quiz | 0 | - | 4.48 | 29,253 |
| Islands by Picture | 0 | - | 4.29 | 106,553 |
| Classic Movies by Movie Posters | 0 | - | 4.45 | 24,193 |
| Geography by Picture - A | 0 | - | 4.39 | 60,164 |
| Geography by Picture - D | 0 | - | 4.15 | 45,583 |
| Geography by Picture - F | 0 | - | 4.31 | 50,922 |
| Geography by Picture - G | 0 | - | 4.38 | 47,893 |
| Geography by Picture - J | 0 | - | 4.16 | 38,404 |
| Geography by Picture - K | 0 | - | 4.29 | 33,079 |
| Geography by Picture - C | 0 | - | 4.31 | 57,008 |
| Geography by Picture - L | 0 | - | 4.37 | 58,870 |
| Geography by Picture - M | 0 | - | 4.14 | 40,405 |
| Geography by Picture - P | 0 | - | 4.24 | 42,379 |
| Geography by Picture - S | 0 | - | 4.38 | 46,990 |
| Video Game Logos Quiz | 0 | - | 4.40 | 183,492 |
| Movie Logos | 0 | - | 4.33 | 237,486 |
| History by Picture - A | 0 | - | 4.25 | 45,693 |
| History by Picture - B | 0 | - | 4.40 | 48,844 |
| History by Picture - C | 0 | - | 4.36 | 54,363 |
| History by Picture - F | 0 | - | 4.35 | 37,797 |
| History by Picture - G | 0 | - | 4.40 | 42,058 |
| History by Picture - D | 0 | - | 4.29 | 44,223 |
| History by Picture - E | 0 | - | 4.27 | 43,834 |
| History by Picture - H | 0 | - | 4.37 | 36,719 |
| History by Picture - K | 0 | - | 4.35 | 33,289 |
| History by Picture - M | 0 | - | 4.17 | 36,083 |
| History by Picture - N | 0 | - | 4.40 | 41,175 |
| History by Picture - O | 0 | - | 4.39 | 36,236 |
| History by Picture - T | 0 | - | 4.20 | 33,249 |
| Three Real and One Fake - Country Flags | 0 | - | 4.97 | 83,760 |
| Animals by Skeleton Image | 0 | - | 4.80 | 46,266 |
| Animals by Close-up Image | 0 | - | 4.42 | 217,480 |
| Aquatic Mammals by Picture | 0 | - | 4.41 | 45,484 |
| Extinct Animals by Picture | 0 | - | 4.49 | 35,115 |
| Mammals by Picture #1 | 0 | - | 4.70 | 91,551 |
| Pick a Picture - Animal Relations | 0 | - | 4.94 | 55,190 |
| 1940s Celebrities by Picture | 0 | - | 4.43 | 47,917 |
| International Footballers by Picture | 0 | - | 4.50 | 55,268 |
| Name that Historical Figure #2 | 0 | - | 4.41 | 283,904 |
| Name that Historical Figure #5 | 0 | - | 4.43 | 107,308 |
| Name that Historical Figure #7 - U.S. Edition | 0 | - | 4.50 | 50,635 |
| Miscellaneous Flags Quiz | 0 | - | 4.42 | 279,667 |
| Flag Maths | 0 | - | 4.64 | 57,731 |
| Satellite Images #1 | 0 | - | 4.46 | 129,236 |
| Satellite Images Quiz #2 | 0 | - | 4.63 | 109,191 |
| Satellite Images Quiz #4 | 0 | - | 4.55 | 88,821 |
| Satellite Images Quiz #5 | 0 | - | 4.52 | 49,823 |
| Satellite Images Quiz #6 | 0 | - | 4.50 | 38,909 |
| Name the Pixelated Landmark | 0 | - | 4.84 | 62,788 |
| Cities by Picture #1 | 0 | - | 4.73 | 85,741 |
| Soccer Team Logos | 0 | - | 4.26 | 373,088 |
| Ultimate Car Logos Quiz | 0 | - | 4.80 | 178,794 |
| Car Logos Quiz #2 | 0 | - | 4.43 | 260,948 |
| Brand Logos That Start With M | 0 | - | 4.45 | 62,385 |
| Brand Logos That Start with A | 0 | - | 4.52 | 69,926 |
| Name that Nut, Seed, or Bean | 0 | - | 4.63 | 57,119 |
| Foods by Picture | 0 | - | 3.81 | 225,857 |
| Junk Foods by Picture | 0 | - | 3.69 | 96,228 |
| Christmas by Picture | 0 | - | 4.25 | 28,139 |
| Hats by Picture | 0 | - | 4.21 | 17,940 |
| Weapons by Picture | 0 | - | 4.13 | 21,004 |
| Cars by Picture | 0 | - | 3.89 | 41,342 |
| Reptile Picture Quiz | 0 | - | 4.32 | 14,274 |
| Plants by Picture | 0 | - | 4.24 | 14,402 |
| 1980s Movie Silhouettes | 0 | - | 4.97 | 103,368 |
| Women in History by Picture | 0 | - | 4.25 | 25,860 |
| Famous Foreheads #2 | 0 | - | 3.17 | 15,733 |
| Geography by Picture - E | 0 | - | 3.55 | 47,332 |
| Landforms by Picture | 0 | - | 4.31 | 20,635 |
| Geography by Picture - I | 0 | - | 4.00 | 39,372 |
| Geography by Picture - O | 0 | - | 4.01 | 28,100 |
| Country Flags Multiple Choice | 0 | - | 4.97 | 144,140 |
| Pictures by Letter - H | 0 | - | 3.97 | 30,412 |
| Pictures by Letter - C | 0 | - | 3.99 | 30,132 |
| Pictures by Letter - O | 0 | - | 3.98 | 28,628 |
| Pictures by Letter - Q | 0 | - | 3.92 | 20,382 |
| Pictures by Letter - S | 0 | - | 3.82 | 20,897 |
| Pictures by Letter - W | 0 | - | 3.92 | 20,093 |
| Pictures by Letter - V | 0 | - | 4.00 | 17,936 |
| History by Picture - I | 0 | - | 4.26 | 26,153 |
| History by Picture - J | 0 | - | 4.18 | 26,671 |
| History by Picture - L | 0 | - | 4.18 | 30,709 |
| History by Picture - P | 0 | - | 4.08 | 25,242 |
| History by Picture - Q | 0 | - | 4.03 | 22,033 |
| History by Picture - R | 0 | - | 4.13 | 26,784 |
| History by Picture - S | 0 | - | 4.14 | 27,728 |
| History by Picture - U | 0 | - | 4.24 | 25,074 |
| History by Picture - V | 0 | - | 4.30 | 25,036 |
| History by Picture - W | 0 | - | 4.01 | 21,595 |
| Art Works Picture Quiz #1 | 0 | - | 4.51 | 118,845 |
| Art Works Picture Quiz #2 | 0 | - | 4.49 | 105,067 |
| Musical Instruments by Picture #1 | 0 | - | 4.52 | 268,555 |
| Flowers by Picture | 0 | - | 4.46 | 105,532 |
| Art Works Picture Quiz #3 | 0 | - | 4.45 | 48,653 |
| Authors by Picture | 0 | - | 4.48 | 25,491 |
| Fruit and Vegetable Emojis | 0 | - | 4.42 | 79,967 |
| College Sports Logos Quiz #3 | 0 | - | 4.30 | 55,510 |
| Planets By Picture Quiz | 0 | - | 4.49 | 56,560 |
| Songs by Picture Quiz #1 | 0 | - | 4.68 | 65,741 |
| Songs by Picture Quiz #2 | 0 | - | 4.42 | 58,709 |
| Fish by Picture #1 | 0 | - | 4.41 | 108,359 |
| Animals A-Z by Picture | 0 | - | 4.08 | 66,247 |
| Mammals by Picture #3 | 0 | - | 4.39 | 61,992 |
| Mammals by Picture #4 | 0 | - | 4.03 | 34,053 |
| Birds by Picture #1 | 0 | - | 4.47 | 41,441 |
| Mammals by Picture #2 | 0 | - | 4.28 | 58,101 |
| Oscar Nominated Actors by Picture #1 | 0 | - | 4.42 | 164,993 |
| 1960s Celebrities by Picture #1 | 0 | - | 4.27 | 70,269 |
| 1960s Celebrities by Picture #2 | 0 | - | 4.26 | 51,310 |
| 1950s Celebrities by Picture #1 | 0 | - | 4.24 | 51,078 |
| 1980s Celebrities by Picture #2 | 0 | - | 4.19 | 71,535 |
| 1990s Celebrities by Picture #1 | 0 | - | 4.13 | 79,247 |
| 1990s Celebrities by Picture #2 | 0 | - | 4.16 | 72,216 |
| 2000s Celebrities by Picture #2 | 0 | - | 4.15 | 95,032 |
| 1950s Celebrities by Picture #2 | 0 | - | 4.29 | 46,065 |
| Name that Historical Figure #3 | 0 | - | 4.36 | 238,829 |
| Name that Historical Figure #4 | 0 | - | 4.29 | 158,753 |
| Name that Historical Figure #6 | 0 | - | 4.26 | 93,016 |
| Musicians by Picture #1 | 0 | - | 4.39 | 108,174 |
| Musicians by Picture #2 | 0 | - | 4.29 | 75,999 |
| Musicians by Picture #4 | 0 | - | 4.07 | 64,591 |
| Musicians by Picture #3 | 0 | - | 4.10 | 58,728 |
| Emoji Flags | 0 | - | 4.35 | 43,973 |
| Fill the Map of Europe by Guessing Flag Colors | 0 | - | 4.67 | 37,716 |
| Languages by Combined Flags | 0 | - | 4.53 | 99,687 |
| Satellite Images Quiz #3 | 0 | - | 4.35 | 73,344 |
| Satellite Images - Island Chains | 0 | - | 4.43 | 66,173 |
| Islands by Satellite Image #1 | 0 | - | 4.70 | 70,486 |
| Peninsulas by Satellite Image | 0 | - | 4.53 | 27,751 |
| Landmarks Picture Quiz #1 | 0 | - | 4.16 | 393,911 |
| Airline Logos | 0 | - | 4.45 | 140,418 |
| Brand Logos Quiz #1 | 0 | - | 4.82 | 2,414,651 |
| Fast Food Logos Quiz | 0 | - | 4.44 | 247,810 |
| Mostly-American Candy Logos | 0 | - | 4.14 | 158,544 |
| Brand Logos That Start With S | 0 | - | 4.37 | 57,287 |
| Brand Logos That Start With B | 0 | - | 4.38 | 59,716 |
| Brand Logos That Start With D | 0 | - | 4.37 | 61,237 |
| Brand Logos That Start With L | 0 | - | 4.39 | 60,805 |
