| Former Countries by Territory Map | 0 | - | 4.96 | 101,680 |
| Empires by Maps | 0 | - | 4.98 | 118,650 |
| Islands by Shape #2 | 0 | - | 4.88 | 59,010 |
| Name that Object #1 | 0 | - | 3.56 | 96,318 |
| Visual Memory Test - Random Cartoons | 0 | - | 4.98 | 102,885 |
| Circular Cutouts from a World Map | 0 | - | 4.98 | 61,077 |
| All Country Flags of the World | 0 | - | 5.00 | 3,606,579 |
| Years in History by Picture | 0 | - | 4.44 | 35,135 |
| Famous Foreheads #1 | 0 | - | 4.47 | 74,277 |
| Country Flags Quiz #1 | 0 | - | 4.98 | 2,527,206 |
| Country Flags Quiz #2 | 0 | - | 4.98 | 1,087,807 |
| Country Flags Quiz #3 | 0 | - | 4.98 | 729,960 |
| Old Movies by Picture | 0 | - | 4.51 | 24,832 |
| Musical Instruments by Picture #2 | 0 | - | 4.24 | 46,708 |
| Name that Object #2 | 0 | - | 3.64 | 15,336 |
| Name that Object #3 | 0 | - | 3.93 | 14,312 |
| Make a Stained Glass Window | 0 | - | 5.00 | 67,864 |
| Flags with Crescents | 0 | - | 4.98 | 167,700 |
| Country Flag Trivia | 0 | - | 4.81 | 55,998 |
| Country Flags with Eagles - Picture Quiz | 0 | - | 4.98 | 102,517 |
| Country Flags with the Union Jack | 0 | - | 4.87 | 76,531 |
| Pixelated Flag Quiz | 0 | - | 4.98 | 86,011 |
| Flag Emblems Scavenger Hunt | 0 | - | 5.00 | 66,516 |
| Flags by Horizontal Stripes #1 | 0 | - | 4.84 | 84,434 |
| Country Flags with the Sun - Picture Quiz | 0 | - | 4.83 | 52,098 |
| Random Logos Quiz | 0 | - | 4.32 | 207,127 |
| National Football Team Logos | 0 | - | 4.84 | 178,820 |
| Pictures by Letter - A | 0 | - | 4.17 | 33,145 |
| Pictures by Letter - J | 0 | - | 4.31 | 39,738 |
| Pictures by Letter - B | 0 | - | 4.31 | 43,643 |
| Pictures by Letter - D | 0 | - | 4.16 | 37,326 |
| Pictures by Letter - M | 0 | - | 4.24 | 37,538 |
| Fruits by Picture | 0 | - | 4.20 | 804,850 |
| Geography by Picture - B | 0 | - | 4.42 | 55,430 |
| Geography by Picture - H | 0 | - | 4.49 | 58,064 |
| Geography by Picture - N | 0 | - | 4.45 | 42,059 |
| Geography by Picture - R | 0 | - | 4.55 | 40,885 |
| Geography by Picture - T | 0 | - | 4.54 | 57,692 |
| All North American Pro Sports Logos | 0 | - | 4.70 | 113,428 |
| Flags to Languages | 0 | - | 4.95 | 172,593 |
| Pictures by Letter - E | 0 | - | 3.49 | 34,294 |
| Pictures by Letter - G | 0 | - | 4.14 | 27,940 |
| Pictures by Letter - L | 0 | - | 4.14 | 30,351 |
| Pictures by Letter - F | 0 | - | 4.17 | 28,823 |
| Pictures by Letter - Z | 0 | - | 4.05 | 23,312 |
| Pictures by Letter - Y | 0 | - | 4.22 | 26,124 |
| Pictures by Letter - R | 0 | - | 4.09 | 24,601 |
| Pictures by Letter - K | 0 | - | 4.18 | 24,938 |
| Pictures by Letter - I | 0 | - | 4.16 | 30,194 |
| Pictures by Letter - N | 0 | - | 4.11 | 24,336 |
| Pictures by Letter - P | 0 | - | 4.05 | 25,879 |
| Pictures by Letter - U | 0 | - | 4.10 | 20,630 |
| Pictures by Letter - T | 0 | - | 4.34 | 27,497 |
| Similar Country Flags - Multiple Choice Quiz | 0 | - | 4.94 | 50,161 |
| Name that Historical Figure #1 | 0 | - | 4.63 | 335,653 |
| Car Logos Quiz #1 | 0 | - | 4.44 | 532,587 |
| Name that Bug | 0 | - | 4.12 | 45,459 |
| Islands by Shape #1 | 0 | - | 4.32 | 84,195 |
| 1970s Celebrities by Picture #1 | 0 | - | 4.20 | 57,642 |
| 1970s Celebrities by Picture #2 | 0 | - | 4.21 | 50,430 |
| Elements by Picture | 0 | - | 4.28 | 69,581 |
| Rocks and Minerals Picture Quiz | 0 | - | 4.48 | 29,172 |
| Islands by Picture | 0 | - | 4.29 | 105,986 |
| Classic Movies by Movie Posters | 0 | - | 4.44 | 24,066 |
| Geography by Picture - A | 0 | - | 4.39 | 60,064 |
| Geography by Picture - D | 0 | - | 4.15 | 45,511 |
| Geography by Picture - F | 0 | - | 4.31 | 50,841 |
| Geography by Picture - G | 0 | - | 4.38 | 47,805 |
| Geography by Picture - J | 0 | - | 4.16 | 38,344 |
| Geography by Picture - K | 0 | - | 4.28 | 33,027 |
| Geography by Picture - C | 0 | - | 4.31 | 56,924 |
| Geography by Picture - L | 0 | - | 4.37 | 58,776 |
| Geography by Picture - M | 0 | - | 4.14 | 40,353 |
| Geography by Picture - P | 0 | - | 4.24 | 42,312 |
| Geography by Picture - S | 0 | - | 4.38 | 46,926 |
| Video Game Logos Quiz | 0 | - | 4.40 | 182,773 |
| Movie Logos | 0 | - | 4.33 | 236,090 |
| History by Picture - A | 0 | - | 4.25 | 45,478 |
| History by Picture - B | 0 | - | 4.40 | 48,606 |
| History by Picture - C | 0 | - | 4.36 | 54,106 |
| History by Picture - F | 0 | - | 4.35 | 37,604 |
| History by Picture - G | 0 | - | 4.40 | 41,872 |
| History by Picture - D | 0 | - | 4.29 | 44,027 |
| History by Picture - E | 0 | - | 4.27 | 43,646 |
| History by Picture - H | 0 | - | 4.37 | 36,560 |
| History by Picture - K | 0 | - | 4.35 | 33,123 |
| History by Picture - M | 0 | - | 4.17 | 35,933 |
| History by Picture - N | 0 | - | 4.40 | 41,019 |
| History by Picture - O | 0 | - | 4.39 | 36,064 |
| History by Picture - T | 0 | - | 4.20 | 33,112 |
| Three Real and One Fake - Country Flags | 0 | - | 4.97 | 83,339 |
| Animals by Skeleton Image | 0 | - | 4.80 | 46,026 |
| Animals by Close-up Image | 0 | - | 4.42 | 216,953 |
| Aquatic Mammals by Picture | 0 | - | 4.41 | 45,275 |
| Extinct Animals by Picture | 0 | - | 4.49 | 34,945 |
| Mammals by Picture #1 | 0 | - | 4.70 | 91,165 |
| Pick a Picture - Animal Relations | 0 | - | 4.94 | 54,894 |
| 1940s Celebrities by Picture | 0 | - | 4.43 | 47,789 |
| International Footballers by Picture | 0 | - | 4.50 | 54,825 |
| Name that Historical Figure #2 | 0 | - | 4.43 | 282,803 |
| Name that Historical Figure #5 | 0 | - | 4.43 | 106,702 |
| Name that Historical Figure #7 - U.S. Edition | 0 | - | 4.50 | 50,329 |
| Miscellaneous Flags Quiz | 0 | - | 4.42 | 278,534 |
| Flag Maths | 0 | - | 4.78 | 57,683 |
| Satellite Images #1 | 0 | - | 4.46 | 129,044 |
| Satellite Images Quiz #2 | 0 | - | 4.63 | 109,012 |
| Satellite Images Quiz #4 | 0 | - | 4.55 | 88,671 |
| Satellite Images Quiz #5 | 0 | - | 4.48 | 49,672 |
| Satellite Images Quiz #6 | 0 | - | 4.50 | 38,820 |
| Name the Pixelated Landmark | 0 | - | 4.84 | 62,500 |
| Cities by Picture #1 | 0 | - | 4.73 | 85,412 |
| Soccer Team Logos | 0 | - | 4.26 | 371,113 |
| Ultimate Car Logos Quiz | 0 | - | 4.79 | 176,537 |
| Car Logos Quiz #2 | 0 | - | 4.43 | 259,436 |
| Brand Logos That Start With M | 0 | - | 4.45 | 61,834 |
| Brand Logos That Start With B | 0 | - | 4.41 | 59,256 |
| Brand Logos That Start with A | 0 | - | 4.51 | 69,342 |
| Name that Nut, Seed, or Bean | 0 | - | 4.63 | 56,896 |
| Foods by Picture | 0 | - | 3.81 | 225,526 |
| Junk Foods by Picture | 0 | - | 3.69 | 96,041 |
| Christmas by Picture | 0 | - | 4.25 | 28,107 |
| Hats by Picture | 0 | - | 4.21 | 17,907 |
| Weapons by Picture | 0 | - | 4.13 | 20,894 |
| Cars by Picture | 0 | - | 3.89 | 41,115 |
| Reptile Picture Quiz | 0 | - | 4.32 | 14,236 |
| Plants by Picture | 0 | - | 4.24 | 14,343 |
| 1980s Movie Silhouettes | 0 | - | 4.97 | 102,783 |
| Women in History by Picture | 0 | - | 4.25 | 25,771 |
| Famous Foreheads #2 | 0 | - | 3.17 | 15,665 |
| Geography by Picture - E | 0 | - | 3.55 | 47,288 |
| Landforms by Picture | 0 | - | 4.31 | 20,579 |
| Geography by Picture - I | 0 | - | 4.00 | 39,326 |
| Country Flags Multiple Choice | 0 | - | 4.97 | 143,546 |
| Pictures by Letter - H | 0 | - | 3.95 | 30,296 |
| Pictures by Letter - C | 0 | - | 3.99 | 30,009 |
| Pictures by Letter - O | 0 | - | 3.98 | 28,530 |
| Pictures by Letter - Q | 0 | - | 3.92 | 20,293 |
| Pictures by Letter - S | 0 | - | 3.82 | 20,797 |
| Pictures by Letter - W | 0 | - | 3.92 | 20,008 |
| Pictures by Letter - V | 0 | - | 3.98 | 17,853 |
| History by Picture - I | 0 | - | 4.26 | 26,033 |
| History by Picture - J | 0 | - | 4.18 | 26,544 |
| History by Picture - L | 0 | - | 4.18 | 30,579 |
| History by Picture - P | 0 | - | 4.08 | 25,120 |
| History by Picture - Q | 0 | - | 4.03 | 21,932 |
| History by Picture - R | 0 | - | 4.13 | 26,658 |
| History by Picture - S | 0 | - | 4.14 | 27,605 |
| History by Picture - U | 0 | - | 4.24 | 24,956 |
| History by Picture - V | 0 | - | 4.30 | 24,928 |
| History by Picture - W | 0 | - | 4.01 | 21,505 |
| Art Works Picture Quiz #1 | 0 | - | 4.51 | 118,514 |
| Art Works Picture Quiz #2 | 0 | - | 4.49 | 104,717 |
| Musical Instruments by Picture #1 | 0 | - | 4.52 | 268,012 |
| Flowers by Picture | 0 | - | 4.46 | 105,029 |
| Art Works Picture Quiz #3 | 0 | - | 4.45 | 48,544 |
| Authors by Picture | 0 | - | 4.48 | 25,402 |
| Fruit and Vegetable Emojis | 0 | - | 4.42 | 79,533 |
| College Sports Logos Quiz #3 | 0 | - | 4.30 | 55,186 |
| Planets By Picture Quiz | 0 | - | 4.49 | 56,244 |
| Songs by Picture Quiz #1 | 0 | - | 4.68 | 65,418 |
| Songs by Picture Quiz #2 | 0 | - | 4.41 | 58,456 |
| Fish by Picture #1 | 0 | - | 4.41 | 108,118 |
| Animals A-Z by Picture | 0 | - | 4.08 | 65,953 |
| Mammals by Picture #3 | 0 | - | 4.39 | 61,795 |
| Mammals by Picture #4 | 0 | - | 4.03 | 33,919 |
| Birds by Picture #1 | 0 | - | 4.47 | 41,162 |
| Mammals by Picture #2 | 0 | - | 4.28 | 57,904 |
| Oscar Nominated Actors by Picture #1 | 0 | - | 4.42 | 164,484 |
| 1960s Celebrities by Picture #1 | 0 | - | 4.27 | 70,051 |
| 1960s Celebrities by Picture #2 | 0 | - | 4.26 | 51,151 |
| 1950s Celebrities by Picture #1 | 0 | - | 4.24 | 50,941 |
| 1980s Celebrities by Picture #2 | 0 | - | 4.19 | 71,277 |
| 1990s Celebrities by Picture #1 | 0 | - | 4.13 | 79,024 |
| 1990s Celebrities by Picture #2 | 0 | - | 4.16 | 71,977 |
| 2000s Celebrities by Picture #2 | 0 | - | 4.15 | 94,652 |
| 1950s Celebrities by Picture #2 | 0 | - | 4.29 | 45,945 |
| Name that Historical Figure #3 | 0 | - | 4.36 | 237,753 |
| Name that Historical Figure #4 | 0 | - | 4.29 | 158,102 |
| Name that Historical Figure #6 | 0 | - | 4.27 | 92,475 |
| Musicians by Picture #1 | 0 | - | 4.39 | 107,261 |
| Musicians by Picture #2 | 0 | - | 4.29 | 75,394 |
| Musicians by Picture #4 | 0 | - | 4.07 | 64,115 |
| Musicians by Picture #3 | 0 | - | 4.10 | 58,380 |
| Emoji Flags | 0 | - | 4.35 | 43,830 |
| Languages by Combined Flags | 0 | - | 4.53 | 99,217 |
| Satellite Images Quiz #3 | 0 | - | 4.35 | 73,257 |
| Satellite Images - Island Chains | 0 | - | 4.43 | 65,780 |
| Islands by Satellite Image #1 | 0 | - | 4.70 | 70,136 |
| Peninsulas by Satellite Image | 0 | - | 4.53 | 27,676 |
| Landmarks Picture Quiz #1 | 0 | - | 4.16 | 393,120 |
| Airline Logos | 0 | - | 4.45 | 140,006 |
| Brand Logos Quiz #1 | 0 | - | 4.83 | 2,403,744 |
| Fast Food Logos Quiz | 0 | - | 4.43 | 247,066 |
| Mostly-American Candy Logos | 0 | - | 4.14 | 157,917 |
| Brand Logos That Start With S | 0 | - | 4.37 | 56,782 |
| Brand Logos That Start With D | 0 | - | 4.37 | 60,745 |
| Brand Logos That Start With L | 0 | - | 4.39 | 60,254 |
| Brand Logos That Start With C | 0 | - | 4.17 | 49,061 |
| Vegetables by Picture | 0 | - | 4.39 | 62,895 |
| Pick a Picture - Musical Instruments | 0 | - | 4.53 | 51,881 |
