| Former Countries by Territory Map | 0 | - | 4.96 | 103,722 |
| Empires by Maps | 0 | - | 4.98 | 121,845 |
| Islands by Shape #2 | 0 | - | 4.88 | 59,494 |
| Name that Object #1 | 0 | - | 3.57 | 96,602 |
| Visual Memory Test - Random Cartoons | 0 | - | 4.98 | 105,261 |
| Play-Doh People from History | 0 | - | 4.99 | 95,457 |
| Circular Cutouts from a World Map | 0 | - | 4.98 | 62,047 |
| All Country Flags of the World | 0 | - | 5.00 | 3,708,339 |
| Years in History by Picture | 0 | - | 4.44 | 35,752 |
| Famous Foreheads #1 | 0 | - | 4.47 | 75,380 |
| Country Flags Quiz #1 | 0 | - | 4.98 | 2,544,886 |
| Country Flags Quiz #2 | 0 | - | 4.99 | 1,096,727 |
| Country Flags Quiz #3 | 0 | - | 4.97 | 736,125 |
| Old Movies by Picture | 0 | - | 4.51 | 25,245 |
| Musical Instruments by Picture #2 | 0 | - | 4.24 | 47,283 |
| Name that Object #2 | 0 | - | 3.63 | 15,514 |
| Name that Object #3 | 0 | - | 3.93 | 14,454 |
| Animals by Skeleton Image | 0 | - | 4.81 | 46,898 |
| Make a Stained Glass Window | 0 | - | 5.00 | 68,998 |
| Flags with Crescents | 0 | - | 4.98 | 171,185 |
| Country Flag Trivia | 0 | - | 4.81 | 57,907 |
| Country Flags with Eagles - Picture Quiz | 0 | - | 4.98 | 104,795 |
| Country Flags with the Union Jack | 0 | - | 4.87 | 78,342 |
| Pixelated Flag Quiz | 0 | - | 4.97 | 88,466 |
| Flag Emblems Scavenger Hunt | 0 | - | 5.00 | 67,869 |
| Flags by Horizontal Stripes #1 | 0 | - | 4.84 | 85,907 |
| Country Flags with the Sun - Picture Quiz | 0 | - | 4.81 | 53,425 |
| Random Logos Quiz | 0 | - | 4.33 | 209,424 |
| Ultimate Car Logos Quiz | 0 | - | 4.81 | 183,706 |
| National Football Team Logos | 0 | - | 4.85 | 181,685 |
| Pictures by Letter - A | 0 | - | 4.18 | 33,626 |
| Pictures by Letter - J | 0 | - | 4.31 | 40,258 |
| Pictures by Letter - B | 0 | - | 4.32 | 44,237 |
| Pictures by Letter - D | 0 | - | 4.14 | 37,791 |
| Pictures by Letter - M | 0 | - | 4.24 | 37,992 |
| Fruits by Picture | 0 | - | 4.19 | 809,008 |
| Geography by Picture - B | 0 | - | 4.42 | 55,763 |
| Geography by Picture - H | 0 | - | 4.50 | 58,363 |
| Geography by Picture - N | 0 | - | 4.45 | 42,330 |
| Geography by Picture - R | 0 | - | 4.56 | 41,136 |
| Geography by Picture - T | 0 | - | 4.54 | 57,989 |
| All North American Pro Sports Logos | 0 | - | 4.70 | 116,258 |
| Flags to Languages | 0 | - | 4.95 | 174,423 |
| Pictures by Letter - E | 0 | - | 3.51 | 34,644 |
| Pictures by Letter - G | 0 | - | 4.14 | 28,366 |
| Pictures by Letter - L | 0 | - | 4.14 | 30,750 |
| Pictures by Letter - F | 0 | - | 4.18 | 29,249 |
| Pictures by Letter - Z | 0 | - | 4.05 | 23,590 |
| Pictures by Letter - Y | 0 | - | 4.21 | 26,439 |
| Pictures by Letter - R | 0 | - | 4.05 | 24,912 |
| Pictures by Letter - K | 0 | - | 4.18 | 25,284 |
| Pictures by Letter - I | 0 | - | 4.16 | 30,556 |
| Pictures by Letter - N | 0 | - | 4.11 | 24,644 |
| Pictures by Letter - P | 0 | - | 4.05 | 26,197 |
| Pictures by Letter - U | 0 | - | 4.10 | 20,920 |
| Pictures by Letter - T | 0 | - | 4.34 | 27,844 |
| Similar Country Flags - Multiple Choice Quiz | 0 | - | 4.94 | 50,977 |
| Name that Historical Figure #1 | 0 | - | 4.63 | 339,277 |
| Car Logos Quiz #1 | 0 | - | 4.52 | 543,636 |
| Name that Bug | 0 | - | 4.12 | 45,627 |
| Islands by Shape #1 | 0 | - | 4.33 | 84,495 |
| 1970s Celebrities by Picture #1 | 0 | - | 4.20 | 58,246 |
| 1970s Celebrities by Picture #2 | 0 | - | 4.21 | 50,957 |
| Elements by Picture | 0 | - | 4.27 | 70,286 |
| Rocks and Minerals Picture Quiz | 0 | - | 4.48 | 29,503 |
| Islands by Picture | 0 | - | 4.28 | 107,700 |
| Classic Movies by Movie Posters | 0 | - | 4.45 | 24,438 |
| Geography by Picture - A | 0 | - | 4.39 | 60,414 |
| Geography by Picture - D | 0 | - | 4.15 | 45,772 |
| Geography by Picture - F | 0 | - | 4.31 | 51,155 |
| Geography by Picture - G | 0 | - | 4.39 | 48,066 |
| Geography by Picture - J | 0 | - | 4.16 | 38,580 |
| Geography by Picture - K | 0 | - | 4.29 | 33,235 |
| Geography by Picture - C | 0 | - | 4.31 | 57,216 |
| Geography by Picture - L | 0 | - | 4.37 | 59,120 |
| Geography by Picture - M | 0 | - | 4.14 | 40,567 |
| Geography by Picture - P | 0 | - | 4.24 | 42,553 |
| Geography by Picture - S | 0 | - | 4.38 | 47,170 |
| Video Game Logos Quiz | 0 | - | 4.40 | 184,931 |
| Movie Logos | 0 | - | 4.33 | 240,206 |
| History by Picture - A | 0 | - | 4.26 | 46,111 |
| History by Picture - B | 0 | - | 4.40 | 49,307 |
| History by Picture - C | 0 | - | 4.33 | 54,836 |
| History by Picture - F | 0 | - | 4.35 | 38,160 |
| History by Picture - G | 0 | - | 4.40 | 42,395 |
| History by Picture - D | 0 | - | 4.29 | 44,619 |
| History by Picture - E | 0 | - | 4.25 | 44,200 |
| History by Picture - H | 0 | - | 4.37 | 37,046 |
| History by Picture - K | 0 | - | 4.35 | 33,580 |
| History by Picture - M | 0 | - | 4.17 | 36,366 |
| History by Picture - N | 0 | - | 4.40 | 41,501 |
| History by Picture - O | 0 | - | 4.39 | 36,530 |
| History by Picture - T | 0 | - | 4.20 | 33,517 |
| Animals by Close-up Image | 0 | - | 4.42 | 218,997 |
| Aquatic Mammals by Picture | 0 | - | 4.41 | 45,986 |
| Extinct Animals by Picture | 0 | - | 4.49 | 35,463 |
| Mammals by Picture #1 | 0 | - | 4.70 | 92,389 |
| Pick a Picture - Animal Relations | 0 | - | 4.94 | 55,830 |
| 1940s Celebrities by Picture | 0 | - | 4.43 | 48,191 |
| International Footballers by Picture | 0 | - | 4.51 | 56,339 |
| Name that Historical Figure #2 | 0 | - | 4.42 | 285,934 |
| Name that Historical Figure #5 | 0 | - | 4.43 | 108,520 |
| Name that Historical Figure #7 - U.S. Edition | 0 | - | 4.51 | 51,170 |
| Miscellaneous Flags Quiz | 0 | - | 4.42 | 281,924 |
| Flag Maths | 0 | - | 4.61 | 57,826 |
| Satellite Images #1 | 0 | - | 4.47 | 129,934 |
| Satellite Images Quiz #2 | 0 | - | 4.64 | 109,624 |
| Satellite Images Quiz #4 | 0 | - | 4.55 | 89,181 |
| Satellite Images Quiz #5 | 0 | - | 4.52 | 50,192 |
| Satellite Images Quiz #6 | 0 | - | 4.50 | 39,177 |
| Name the Pixelated Landmark | 0 | - | 4.85 | 63,399 |
| Cities by Picture #1 | 0 | - | 4.74 | 86,515 |
| Soccer Team Logos | 0 | - | 4.26 | 377,326 |
| Car Logos Quiz #2 | 0 | - | 4.43 | 263,705 |
| Brand Logos That Start with A | 0 | - | 4.52 | 71,095 |
| Name that Nut, Seed, or Bean | 0 | - | 4.57 | 57,614 |
| Three Real and One Fake - Country Flags | 0 | - | 4.97 | 84,685 |
| Foods by Picture | 0 | - | 3.81 | 226,524 |
| Junk Foods by Picture | 0 | - | 3.69 | 96,648 |
| Christmas by Picture | 0 | - | 4.26 | 28,227 |
| Hats by Picture | 0 | - | 4.21 | 18,016 |
| Weapons by Picture | 0 | - | 4.13 | 21,170 |
| Cars by Picture | 0 | - | 3.89 | 41,794 |
| Reptile Picture Quiz | 0 | - | 4.32 | 14,373 |
| Plants by Picture | 0 | - | 4.24 | 14,520 |
| 1980s Movie Silhouettes | 0 | - | 4.97 | 104,599 |
| Women in History by Picture | 0 | - | 4.25 | 26,019 |
| Famous Foreheads #2 | 0 | - | 3.17 | 15,847 |
| Geography by Picture - E | 0 | - | 3.55 | 47,479 |
| Landforms by Picture | 0 | - | 4.31 | 20,741 |
| Geography by Picture - I | 0 | - | 4.00 | 39,522 |
| Geography by Picture - O | 0 | - | 4.01 | 28,233 |
| Country Flags Multiple Choice | 0 | - | 4.97 | 145,341 |
| Pictures by Letter - H | 0 | - | 3.97 | 30,647 |
| Pictures by Letter - C | 0 | - | 4.00 | 30,392 |
| Pictures by Letter - O | 0 | - | 3.98 | 28,832 |
| Pictures by Letter - Q | 0 | - | 3.92 | 20,564 |
| Pictures by Letter - S | 0 | - | 3.82 | 21,094 |
| Pictures by Letter - W | 0 | - | 3.87 | 20,274 |
| Pictures by Letter - V | 0 | - | 4.00 | 18,103 |
| History by Picture - I | 0 | - | 4.24 | 26,426 |
| History by Picture - J | 0 | - | 4.18 | 26,916 |
| History by Picture - L | 0 | - | 4.18 | 30,991 |
| History by Picture - P | 0 | - | 4.08 | 25,461 |
| History by Picture - Q | 0 | - | 4.03 | 22,245 |
| History by Picture - R | 0 | - | 4.13 | 27,034 |
| History by Picture - S | 0 | - | 4.14 | 27,967 |
| History by Picture - U | 0 | - | 4.25 | 25,307 |
| History by Picture - V | 0 | - | 4.31 | 25,295 |
| History by Picture - W | 0 | - | 4.01 | 21,800 |
| Art Works Picture Quiz #1 | 0 | - | 4.51 | 119,769 |
| Art Works Picture Quiz #2 | 0 | - | 4.49 | 105,828 |
| Musical Instruments by Picture #1 | 0 | - | 4.52 | 269,708 |
| Flowers by Picture | 0 | - | 4.46 | 105,839 |
| Art Works Picture Quiz #3 | 0 | - | 4.45 | 48,940 |
| Authors by Picture | 0 | - | 4.48 | 25,626 |
| Fruit and Vegetable Emojis | 0 | - | 4.45 | 90,825 |
| College Sports Logos Quiz #3 | 0 | - | 4.30 | 56,135 |
| Planets By Picture Quiz | 0 | - | 4.49 | 57,314 |
| Songs by Picture Quiz #1 | 0 | - | 4.68 | 66,455 |
| Songs by Picture Quiz #2 | 0 | - | 4.42 | 59,270 |
| Fish by Picture #1 | 0 | - | 4.41 | 109,032 |
| Animals A-Z by Picture | 0 | - | 4.08 | 66,830 |
| Mammals by Picture #3 | 0 | - | 4.39 | 62,476 |
| Mammals by Picture #4 | 0 | - | 4.03 | 34,325 |
| Birds by Picture #1 | 0 | - | 4.47 | 42,017 |
| Mammals by Picture #2 | 0 | - | 4.28 | 58,541 |
| Oscar Nominated Actors by Picture #1 | 0 | - | 4.42 | 165,748 |
| 1960s Celebrities by Picture #1 | 0 | - | 4.27 | 70,729 |
| 1960s Celebrities by Picture #2 | 0 | - | 4.26 | 51,646 |
| 1950s Celebrities by Picture #1 | 0 | - | 4.24 | 51,352 |
| 1980s Celebrities by Picture #2 | 0 | - | 4.19 | 72,085 |
| 1990s Celebrities by Picture #1 | 0 | - | 4.14 | 79,737 |
| 1990s Celebrities by Picture #2 | 0 | - | 4.16 | 72,792 |
| 2000s Celebrities by Picture #2 | 0 | - | 4.15 | 96,042 |
| 1950s Celebrities by Picture #2 | 0 | - | 4.29 | 46,337 |
| Name that Historical Figure #3 | 0 | - | 4.36 | 240,589 |
| Name that Historical Figure #4 | 0 | - | 4.29 | 160,026 |
| Name that Historical Figure #6 | 0 | - | 4.26 | 94,003 |
| Musicians by Picture #1 | 0 | - | 4.38 | 109,909 |
| Musicians by Picture #2 | 0 | - | 4.29 | 77,300 |
| Musicians by Picture #4 | 0 | - | 4.07 | 65,528 |
| Musicians by Picture #3 | 0 | - | 4.10 | 59,488 |
| Emoji Flags | 0 | - | 4.35 | 44,265 |
| Fill the Map of Europe by Guessing Flag Colors | 0 | - | 4.68 | 38,202 |
| Languages by Combined Flags | 0 | - | 4.53 | 100,603 |
| Satellite Images Quiz #3 | 0 | - | 4.35 | 73,614 |
| Satellite Images - Island Chains | 0 | - | 4.43 | 66,920 |
| Islands by Satellite Image #1 | 0 | - | 4.70 | 71,215 |
| Peninsulas by Satellite Image | 0 | - | 4.53 | 27,920 |
| Landmarks Picture Quiz #1 | 0 | - | 4.16 | 395,565 |
| Airline Logos | 0 | - | 4.45 | 141,367 |
| Brand Logos Quiz #1 | 0 | - | 4.83 | 2,436,803 |
| Fast Food Logos Quiz | 0 | - | 4.45 | 249,369 |
| Mostly-American Candy Logos | 0 | - | 4.14 | 159,835 |
| Brand Logos That Start With M | 0 | - | 4.38 | 63,462 |
| Brand Logos That Start With S | 0 | - | 4.37 | 58,221 |
| Brand Logos That Start With B | 0 | - | 4.38 | 60,586 |
| Brand Logos That Start With D | 0 | - | 4.36 | 62,138 |
| Brand Logos That Start With L | 0 | - | 4.39 | 61,844 |
