| Former Countries by Territory Map | 0 | - | 4.96 | 102,626 |
| Empires by Maps | 0 | - | 4.98 | 120,096 |
| Islands by Shape #2 | 0 | - | 4.88 | 59,217 |
| Name that Object #1 | 0 | - | 3.57 | 96,471 |
| Visual Memory Test - Random Cartoons | 0 | - | 4.98 | 104,029 |
| Play-Doh People from History | 0 | - | 4.99 | 94,631 |
| Circular Cutouts from a World Map | 0 | - | 4.98 | 61,472 |
| All Country Flags of the World | 0 | - | 5.00 | 3,651,975 |
| Years in History by Picture | 0 | - | 4.44 | 35,458 |
| Famous Foreheads #1 | 0 | - | 4.47 | 74,791 |
| Country Flags Quiz #1 | 0 | - | 4.98 | 2,535,151 |
| Country Flags Quiz #2 | 0 | - | 4.98 | 1,091,889 |
| Country Flags Quiz #3 | 0 | - | 4.97 | 732,756 |
| Old Movies by Picture | 0 | - | 4.51 | 25,059 |
| Musical Instruments by Picture #2 | 0 | - | 4.24 | 46,965 |
| Name that Object #2 | 0 | - | 3.64 | 15,434 |
| Name that Object #3 | 0 | - | 3.93 | 14,388 |
| Make a Stained Glass Window | 0 | - | 5.00 | 68,396 |
| Flags with Crescents | 0 | - | 4.98 | 169,189 |
| Country Flag Trivia | 0 | - | 4.81 | 56,854 |
| Country Flags with Eagles - Picture Quiz | 0 | - | 4.98 | 103,509 |
| Country Flags with the Union Jack | 0 | - | 4.87 | 77,296 |
| Pixelated Flag Quiz | 0 | - | 4.97 | 87,125 |
| Flag Emblems Scavenger Hunt | 0 | - | 5.00 | 67,145 |
| Flags by Horizontal Stripes #1 | 0 | - | 4.84 | 85,068 |
| Country Flags with the Sun - Picture Quiz | 0 | - | 4.83 | 52,665 |
| Random Logos Quiz | 0 | - | 4.31 | 208,207 |
| National Football Team Logos | 0 | - | 4.85 | 180,068 |
| Pictures by Letter - A | 0 | - | 4.17 | 33,376 |
| Pictures by Letter - J | 0 | - | 4.31 | 39,997 |
| Pictures by Letter - B | 0 | - | 4.31 | 43,919 |
| Pictures by Letter - D | 0 | - | 4.13 | 37,553 |
| Pictures by Letter - M | 0 | - | 4.24 | 37,759 |
| Fruits by Picture | 0 | - | 4.19 | 806,817 |
| Geography by Picture - B | 0 | - | 4.42 | 55,569 |
| Geography by Picture - H | 0 | - | 4.50 | 58,192 |
| Geography by Picture - N | 0 | - | 4.45 | 42,179 |
| Geography by Picture - R | 0 | - | 4.56 | 40,999 |
| Geography by Picture - T | 0 | - | 4.54 | 57,811 |
| All North American Pro Sports Logos | 0 | - | 4.70 | 114,787 |
| Flags to Languages | 0 | - | 4.95 | 173,455 |
| Pictures by Letter - E | 0 | - | 3.49 | 34,466 |
| Pictures by Letter - G | 0 | - | 4.14 | 28,126 |
| Pictures by Letter - L | 0 | - | 4.14 | 30,534 |
| Pictures by Letter - F | 0 | - | 4.17 | 29,013 |
| Pictures by Letter - Z | 0 | - | 4.05 | 23,435 |
| Pictures by Letter - Y | 0 | - | 4.21 | 26,273 |
| Pictures by Letter - R | 0 | - | 4.05 | 24,746 |
| Pictures by Letter - K | 0 | - | 4.18 | 25,100 |
| Pictures by Letter - I | 0 | - | 4.16 | 30,361 |
| Pictures by Letter - N | 0 | - | 4.11 | 24,473 |
| Pictures by Letter - P | 0 | - | 4.05 | 26,025 |
| Pictures by Letter - U | 0 | - | 4.10 | 20,765 |
| Pictures by Letter - T | 0 | - | 4.34 | 27,658 |
| Similar Country Flags - Multiple Choice Quiz | 0 | - | 4.94 | 50,427 |
| Name that Historical Figure #1 | 0 | - | 4.63 | 337,201 |
| Car Logos Quiz #1 | 0 | - | 4.45 | 537,905 |
| Name that Bug | 0 | - | 4.12 | 45,538 |
| Islands by Shape #1 | 0 | - | 4.32 | 84,319 |
| 1970s Celebrities by Picture #1 | 0 | - | 4.20 | 57,896 |
| 1970s Celebrities by Picture #2 | 0 | - | 4.21 | 50,628 |
| Elements by Picture | 0 | - | 4.27 | 69,869 |
| Rocks and Minerals Picture Quiz | 0 | - | 4.48 | 29,289 |
| Islands by Picture | 0 | - | 4.29 | 106,787 |
| Classic Movies by Movie Posters | 0 | - | 4.45 | 24,233 |
| Geography by Picture - A | 0 | - | 4.39 | 60,209 |
| Geography by Picture - D | 0 | - | 4.15 | 45,626 |
| Geography by Picture - F | 0 | - | 4.31 | 50,964 |
| Geography by Picture - G | 0 | - | 4.38 | 47,921 |
| Geography by Picture - J | 0 | - | 4.16 | 38,440 |
| Geography by Picture - K | 0 | - | 4.29 | 33,106 |
| Geography by Picture - C | 0 | - | 4.31 | 57,039 |
| Geography by Picture - L | 0 | - | 4.37 | 58,918 |
| Geography by Picture - M | 0 | - | 4.14 | 40,429 |
| Geography by Picture - P | 0 | - | 4.24 | 42,407 |
| Geography by Picture - S | 0 | - | 4.38 | 47,022 |
| Video Game Logos Quiz | 0 | - | 4.40 | 183,757 |
| Movie Logos | 0 | - | 4.33 | 238,039 |
| History by Picture - A | 0 | - | 4.26 | 45,769 |
| History by Picture - B | 0 | - | 4.40 | 48,916 |
| History by Picture - C | 0 | - | 4.36 | 54,449 |
| History by Picture - F | 0 | - | 4.35 | 37,862 |
| History by Picture - G | 0 | - | 4.40 | 42,117 |
| History by Picture - D | 0 | - | 4.29 | 44,293 |
| History by Picture - E | 0 | - | 4.27 | 43,904 |
| History by Picture - H | 0 | - | 4.37 | 36,776 |
| History by Picture - K | 0 | - | 4.35 | 33,342 |
| History by Picture - M | 0 | - | 4.17 | 36,132 |
| History by Picture - N | 0 | - | 4.40 | 41,239 |
| History by Picture - O | 0 | - | 4.39 | 36,298 |
| History by Picture - T | 0 | - | 4.20 | 33,300 |
| Three Real and One Fake - Country Flags | 0 | - | 4.97 | 83,928 |
| Animals by Skeleton Image | 0 | - | 4.80 | 46,387 |
| Animals by Close-up Image | 0 | - | 4.42 | 217,670 |
| Aquatic Mammals by Picture | 0 | - | 4.41 | 45,567 |
| Extinct Animals by Picture | 0 | - | 4.49 | 35,183 |
| Mammals by Picture #1 | 0 | - | 4.70 | 91,698 |
| Pick a Picture - Animal Relations | 0 | - | 4.94 | 55,308 |
| 1940s Celebrities by Picture | 0 | - | 4.43 | 47,968 |
| International Footballers by Picture | 0 | - | 4.50 | 55,461 |
| Name that Historical Figure #2 | 0 | - | 4.42 | 284,257 |
| Name that Historical Figure #5 | 0 | - | 4.43 | 107,510 |
| Name that Historical Figure #7 - U.S. Edition | 0 | - | 4.51 | 50,740 |
| Miscellaneous Flags Quiz | 0 | - | 4.42 | 280,085 |
| Flag Maths | 0 | - | 4.64 | 57,747 |
| Satellite Images #1 | 0 | - | 4.47 | 129,310 |
| Satellite Images Quiz #2 | 0 | - | 4.63 | 109,252 |
| Satellite Images Quiz #4 | 0 | - | 4.55 | 88,873 |
| Satellite Images Quiz #5 | 0 | - | 4.52 | 49,874 |
| Satellite Images Quiz #6 | 0 | - | 4.50 | 38,949 |
| Name the Pixelated Landmark | 0 | - | 4.84 | 62,916 |
| Cities by Picture #1 | 0 | - | 4.73 | 85,884 |
| Soccer Team Logos | 0 | - | 4.26 | 373,876 |
| Ultimate Car Logos Quiz | 0 | - | 4.80 | 179,742 |
| Car Logos Quiz #2 | 0 | - | 4.43 | 261,458 |
| Brand Logos That Start With M | 0 | - | 4.45 | 62,631 |
| Brand Logos That Start with A | 0 | - | 4.52 | 70,135 |
| Name that Nut, Seed, or Bean | 0 | - | 4.63 | 57,207 |
| Foods by Picture | 0 | - | 3.81 | 225,985 |
| Junk Foods by Picture | 0 | - | 3.69 | 96,306 |
| Christmas by Picture | 0 | - | 4.26 | 28,157 |
| Hats by Picture | 0 | - | 4.21 | 17,958 |
| Weapons by Picture | 0 | - | 4.13 | 21,037 |
| Cars by Picture | 0 | - | 3.89 | 41,446 |
| Reptile Picture Quiz | 0 | - | 4.32 | 14,289 |
| Plants by Picture | 0 | - | 4.24 | 14,428 |
| 1980s Movie Silhouettes | 0 | - | 4.97 | 103,629 |
| Women in History by Picture | 0 | - | 4.25 | 25,899 |
| Famous Foreheads #2 | 0 | - | 3.17 | 15,759 |
| Geography by Picture - E | 0 | - | 3.55 | 47,356 |
| Landforms by Picture | 0 | - | 4.31 | 20,661 |
| Geography by Picture - I | 0 | - | 4.00 | 39,402 |
| Geography by Picture - O | 0 | - | 4.01 | 28,120 |
| Country Flags Multiple Choice | 0 | - | 4.97 | 144,371 |
| Pictures by Letter - H | 0 | - | 3.97 | 30,465 |
| Pictures by Letter - C | 0 | - | 3.99 | 30,183 |
| Pictures by Letter - O | 0 | - | 3.98 | 28,667 |
| Pictures by Letter - Q | 0 | - | 3.92 | 20,419 |
| Pictures by Letter - S | 0 | - | 3.82 | 20,936 |
| Pictures by Letter - W | 0 | - | 3.92 | 20,125 |
| Pictures by Letter - V | 0 | - | 4.00 | 17,969 |
| History by Picture - I | 0 | - | 4.26 | 26,212 |
| History by Picture - J | 0 | - | 4.18 | 26,713 |
| History by Picture - L | 0 | - | 4.18 | 30,770 |
| History by Picture - P | 0 | - | 4.08 | 25,280 |
| History by Picture - Q | 0 | - | 4.03 | 22,073 |
| History by Picture - R | 0 | - | 4.13 | 26,836 |
| History by Picture - S | 0 | - | 4.14 | 27,774 |
| History by Picture - U | 0 | - | 4.24 | 25,118 |
| History by Picture - V | 0 | - | 4.30 | 25,082 |
| History by Picture - W | 0 | - | 4.01 | 21,632 |
| Art Works Picture Quiz #1 | 0 | - | 4.51 | 118,998 |
| Art Works Picture Quiz #2 | 0 | - | 4.49 | 105,201 |
| Musical Instruments by Picture #1 | 0 | - | 4.52 | 268,781 |
| Flowers by Picture | 0 | - | 4.46 | 105,603 |
| Art Works Picture Quiz #3 | 0 | - | 4.45 | 48,712 |
| Authors by Picture | 0 | - | 4.48 | 25,520 |
| Fruit and Vegetable Emojis | 0 | - | 4.44 | 85,734 |
| College Sports Logos Quiz #3 | 0 | - | 4.30 | 55,631 |
| Planets By Picture Quiz | 0 | - | 4.49 | 56,700 |
| Songs by Picture Quiz #1 | 0 | - | 4.68 | 65,861 |
| Songs by Picture Quiz #2 | 0 | - | 4.42 | 58,794 |
| Fish by Picture #1 | 0 | - | 4.41 | 108,468 |
| Animals A-Z by Picture | 0 | - | 4.08 | 66,355 |
| Mammals by Picture #3 | 0 | - | 4.39 | 62,067 |
| Mammals by Picture #4 | 0 | - | 4.03 | 34,096 |
| Birds by Picture #1 | 0 | - | 4.47 | 41,552 |
| Mammals by Picture #2 | 0 | - | 4.28 | 58,183 |
| Oscar Nominated Actors by Picture #1 | 0 | - | 4.42 | 165,102 |
| 1960s Celebrities by Picture #1 | 0 | - | 4.27 | 70,351 |
| 1960s Celebrities by Picture #2 | 0 | - | 4.26 | 51,380 |
| 1950s Celebrities by Picture #1 | 0 | - | 4.24 | 51,139 |
| 1980s Celebrities by Picture #2 | 0 | - | 4.19 | 71,632 |
| 1990s Celebrities by Picture #1 | 0 | - | 4.13 | 79,325 |
| 1990s Celebrities by Picture #2 | 0 | - | 4.16 | 72,316 |
| 2000s Celebrities by Picture #2 | 0 | - | 4.15 | 95,235 |
| 1950s Celebrities by Picture #2 | 0 | - | 4.29 | 46,120 |
| Name that Historical Figure #3 | 0 | - | 4.36 | 239,117 |
| Name that Historical Figure #4 | 0 | - | 4.29 | 158,982 |
| Name that Historical Figure #6 | 0 | - | 4.26 | 93,193 |
| Musicians by Picture #1 | 0 | - | 4.39 | 108,484 |
| Musicians by Picture #2 | 0 | - | 4.29 | 76,237 |
| Musicians by Picture #4 | 0 | - | 4.07 | 64,764 |
| Musicians by Picture #3 | 0 | - | 4.10 | 58,881 |
| Emoji Flags | 0 | - | 4.35 | 44,032 |
| Fill the Map of Europe by Guessing Flag Colors | 0 | - | 4.67 | 37,792 |
| Languages by Combined Flags | 0 | - | 4.53 | 99,860 |
| Satellite Images Quiz #3 | 0 | - | 4.35 | 73,368 |
| Satellite Images - Island Chains | 0 | - | 4.43 | 66,299 |
| Islands by Satellite Image #1 | 0 | - | 4.70 | 70,614 |
| Peninsulas by Satellite Image | 0 | - | 4.53 | 27,788 |
| Landmarks Picture Quiz #1 | 0 | - | 4.16 | 394,269 |
| Airline Logos | 0 | - | 4.45 | 140,585 |
| Brand Logos Quiz #1 | 0 | - | 4.83 | 2,419,174 |
| Fast Food Logos Quiz | 0 | - | 4.44 | 248,129 |
| Mostly-American Candy Logos | 0 | - | 4.14 | 158,824 |
| Brand Logos That Start With S | 0 | - | 4.37 | 57,461 |
| Brand Logos That Start With B | 0 | - | 4.38 | 59,873 |
| Brand Logos That Start With D | 0 | - | 4.37 | 61,420 |
| Brand Logos That Start With L | 0 | - | 4.39 | 60,998 |
