| Former Countries by Territory Map | 0 | - | 4.96 | 101,407 |
| Empires by Maps | 0 | - | 4.98 | 118,289 |
| Islands by Shape #2 | 0 | - | 4.88 | 58,972 |
| Name that Object #1 | 0 | - | 3.56 | 96,284 |
| Visual Memory Test - Random Cartoons | 0 | - | 4.98 | 102,680 |
| Circular Cutouts from a World Map | 0 | - | 4.98 | 60,983 |
| All Country Flags of the World | 0 | - | 5.00 | 3,597,678 |
| Years in History by Picture | 0 | - | 4.44 | 35,071 |
| Famous Foreheads #1 | 0 | - | 4.47 | 74,166 |
| Country Flags Quiz #1 | 0 | - | 4.98 | 2,525,459 |
| Country Flags Quiz #2 | 0 | - | 4.98 | 1,086,992 |
| Country Flags Quiz #3 | 0 | - | 4.98 | 729,368 |
| Old Movies by Picture | 0 | - | 4.51 | 24,778 |
| Musical Instruments by Picture #2 | 0 | - | 4.24 | 46,644 |
| Name that Object #2 | 0 | - | 3.64 | 15,314 |
| Name that Object #3 | 0 | - | 3.93 | 14,296 |
| Make a Stained Glass Window | 0 | - | 5.00 | 67,758 |
| Flags with Crescents | 0 | - | 4.98 | 167,402 |
| Country Flag Trivia | 0 | - | 4.81 | 55,849 |
| Country Flags with Eagles - Picture Quiz | 0 | - | 4.98 | 102,315 |
| Country Flags with the Union Jack | 0 | - | 4.87 | 76,396 |
| Pixelated Flag Quiz | 0 | - | 4.98 | 85,815 |
| Flag Emblems Scavenger Hunt | 0 | - | 5.00 | 66,385 |
| Flags by Horizontal Stripes #1 | 0 | - | 4.84 | 84,318 |
| Country Flags with the Sun - Picture Quiz | 0 | - | 4.83 | 51,968 |
| Random Logos Quiz | 0 | - | 4.32 | 206,934 |
| National Football Team Logos | 0 | - | 4.84 | 178,527 |
| Pictures by Letter - A | 0 | - | 4.17 | 33,106 |
| Pictures by Letter - J | 0 | - | 4.31 | 39,700 |
| Pictures by Letter - B | 0 | - | 4.31 | 43,594 |
| Pictures by Letter - D | 0 | - | 4.16 | 37,286 |
| Pictures by Letter - M | 0 | - | 4.24 | 37,505 |
| Fruits by Picture | 0 | - | 4.20 | 804,450 |
| Geography by Picture - B | 0 | - | 4.42 | 55,395 |
| Geography by Picture - H | 0 | - | 4.49 | 58,029 |
| Geography by Picture - N | 0 | - | 4.45 | 42,038 |
| Geography by Picture - R | 0 | - | 4.55 | 40,870 |
| Geography by Picture - T | 0 | - | 4.54 | 57,663 |
| All North American Pro Sports Logos | 0 | - | 4.70 | 113,097 |
| Flags to Languages | 0 | - | 4.95 | 172,405 |
| Pictures by Letter - E | 0 | - | 3.49 | 34,261 |
| Pictures by Letter - G | 0 | - | 4.14 | 27,894 |
| Pictures by Letter - L | 0 | - | 4.14 | 30,311 |
| Pictures by Letter - F | 0 | - | 4.17 | 28,788 |
| Pictures by Letter - Z | 0 | - | 4.05 | 23,287 |
| Pictures by Letter - Y | 0 | - | 4.22 | 26,096 |
| Pictures by Letter - R | 0 | - | 4.09 | 24,569 |
| Pictures by Letter - K | 0 | - | 4.18 | 24,907 |
| Pictures by Letter - I | 0 | - | 4.16 | 30,165 |
| Pictures by Letter - N | 0 | - | 4.11 | 24,309 |
| Pictures by Letter - P | 0 | - | 4.05 | 25,848 |
| Pictures by Letter - U | 0 | - | 4.10 | 20,597 |
| Pictures by Letter - T | 0 | - | 4.34 | 27,460 |
| Similar Country Flags - Multiple Choice Quiz | 0 | - | 4.96 | 50,143 |
| Name that Historical Figure #1 | 0 | - | 4.63 | 335,345 |
| Car Logos Quiz #1 | 0 | - | 4.44 | 531,553 |
| Name that Bug | 0 | - | 4.12 | 45,438 |
| Islands by Shape #1 | 0 | - | 4.32 | 84,175 |
| 1970s Celebrities by Picture #1 | 0 | - | 4.20 | 57,599 |
| 1970s Celebrities by Picture #2 | 0 | - | 4.21 | 50,385 |
| Elements by Picture | 0 | - | 4.28 | 69,514 |
| Rocks and Minerals Picture Quiz | 0 | - | 4.48 | 29,146 |
| Islands by Picture | 0 | - | 4.29 | 105,810 |
| Classic Movies by Movie Posters | 0 | - | 4.44 | 24,019 |
| Geography by Picture - A | 0 | - | 4.39 | 60,038 |
| Geography by Picture - D | 0 | - | 4.15 | 45,475 |
| Geography by Picture - F | 0 | - | 4.31 | 50,816 |
| Geography by Picture - G | 0 | - | 4.38 | 47,778 |
| Geography by Picture - J | 0 | - | 4.16 | 38,329 |
| Geography by Picture - K | 0 | - | 4.28 | 33,006 |
| Geography by Picture - C | 0 | - | 4.31 | 56,896 |
| Geography by Picture - L | 0 | - | 4.37 | 58,739 |
| Geography by Picture - M | 0 | - | 4.14 | 40,338 |
| Geography by Picture - P | 0 | - | 4.24 | 42,293 |
| Geography by Picture - S | 0 | - | 4.38 | 46,901 |
| Video Game Logos Quiz | 0 | - | 4.40 | 182,533 |
| Movie Logos | 0 | - | 4.33 | 235,654 |
| History by Picture - A | 0 | - | 4.25 | 45,439 |
| History by Picture - B | 0 | - | 4.40 | 48,547 |
| History by Picture - C | 0 | - | 4.36 | 54,054 |
| History by Picture - F | 0 | - | 4.35 | 37,562 |
| History by Picture - G | 0 | - | 4.40 | 41,821 |
| History by Picture - D | 0 | - | 4.29 | 43,985 |
| History by Picture - E | 0 | - | 4.27 | 43,604 |
| History by Picture - H | 0 | - | 4.37 | 36,518 |
| History by Picture - K | 0 | - | 4.35 | 33,084 |
| History by Picture - M | 0 | - | 4.17 | 35,893 |
| History by Picture - N | 0 | - | 4.40 | 40,972 |
| History by Picture - O | 0 | - | 4.39 | 36,008 |
| History by Picture - T | 0 | - | 4.20 | 33,070 |
| Three Real and One Fake - Country Flags | 0 | - | 4.97 | 83,207 |
| Animals by Skeleton Image | 0 | - | 4.80 | 45,942 |
| Animals by Close-up Image | 0 | - | 4.42 | 216,526 |
| Aquatic Mammals by Picture | 0 | - | 4.41 | 45,205 |
| Extinct Animals by Picture | 0 | - | 4.49 | 34,894 |
| Mammals by Picture #1 | 0 | - | 4.70 | 91,068 |
| Pick a Picture - Animal Relations | 0 | - | 4.94 | 54,794 |
| 1940s Celebrities by Picture | 0 | - | 4.43 | 47,748 |
| International Footballers by Picture | 0 | - | 4.50 | 54,651 |
| Name that Historical Figure #2 | 0 | - | 4.43 | 282,457 |
| Name that Historical Figure #5 | 0 | - | 4.43 | 106,548 |
| Name that Historical Figure #7 - U.S. Edition | 0 | - | 4.50 | 50,261 |
| Miscellaneous Flags Quiz | 0 | - | 4.42 | 278,201 |
| Flag Maths | 0 | - | 4.78 | 57,668 |
| Satellite Images Quiz #1 | 0 | - | 4.46 | 128,982 |
| Satellite Images Quiz #2 | 0 | - | 4.63 | 108,964 |
| Satellite Images Quiz #4 | 0 | - | 4.55 | 88,629 |
| Satellite Images Quiz #5 | 0 | - | 4.48 | 49,631 |
| Satellite Images Quiz #6 | 0 | - | 4.50 | 38,793 |
| Name the Pixelated Landmark | 0 | - | 4.84 | 62,389 |
| Cities by Picture #1 | 0 | - | 4.73 | 85,316 |
| Soccer Team Logos | 0 | - | 4.26 | 370,484 |
| Ultimate Car Logos Quiz | 0 | - | 4.79 | 175,916 |
| Car Logos Quiz #2 | 0 | - | 4.43 | 259,047 |
| Brand Logos That Start With M | 0 | - | 4.45 | 61,688 |
| Brand Logos That Start With B | 0 | - | 4.41 | 59,136 |
| Brand Logos That Start with A | 0 | - | 4.51 | 69,179 |
| Name that Nut, Seed, or Bean | 0 | - | 4.63 | 56,809 |
| Foods by Picture | 0 | - | 3.81 | 225,420 |
| Junk Foods by Picture | 0 | - | 3.69 | 95,960 |
| Christmas by Picture | 0 | - | 4.25 | 28,097 |
| Hats by Picture | 0 | - | 4.21 | 17,900 |
| Weapons by Picture | 0 | - | 4.13 | 20,875 |
| Cars by Picture | 0 | - | 3.89 | 41,057 |
| Reptile Picture Quiz | 0 | - | 4.32 | 14,222 |
| Plants by Picture | 0 | - | 4.24 | 14,332 |
| 1980s Movie Silhouettes | 0 | - | 4.97 | 102,419 |
| Women in History by Picture | 0 | - | 4.25 | 25,750 |
| Famous Foreheads #2 | 0 | - | 3.17 | 15,646 |
| Geography by Picture - E | 0 | - | 3.55 | 47,271 |
| Landforms by Picture | 0 | - | 4.31 | 20,569 |
| Geography by Picture - I | 0 | - | 4.00 | 39,309 |
| Country Flags Multiple Choice | 0 | - | 4.97 | 143,373 |
| Pictures by Letter - H | 0 | - | 3.95 | 30,264 |
| Pictures by Letter - C | 0 | - | 3.99 | 29,973 |
| Pictures by Letter - O | 0 | - | 3.98 | 28,508 |
| Pictures by Letter - Q | 0 | - | 3.92 | 20,273 |
| Pictures by Letter - S | 0 | - | 3.82 | 20,768 |
| Pictures by Letter - W | 0 | - | 3.92 | 19,974 |
| Pictures by Letter - V | 0 | - | 3.98 | 17,828 |
| History by Picture - I | 0 | - | 4.26 | 25,990 |
| History by Picture - J | 0 | - | 4.18 | 26,508 |
| History by Picture - L | 0 | - | 4.18 | 30,541 |
| History by Picture - P | 0 | - | 4.08 | 25,092 |
| History by Picture - Q | 0 | - | 4.03 | 21,903 |
| History by Picture - R | 0 | - | 4.13 | 26,615 |
| History by Picture - S | 0 | - | 4.14 | 27,568 |
| History by Picture - U | 0 | - | 4.24 | 24,919 |
| History by Picture - V | 0 | - | 4.30 | 24,888 |
| History by Picture - W | 0 | - | 4.01 | 21,480 |
| Art Works Picture Quiz #1 | 0 | - | 4.51 | 118,425 |
| Art Works Picture Quiz #2 | 0 | - | 4.49 | 104,603 |
| Musical Instruments by Picture #1 | 0 | - | 4.53 | 267,827 |
| Flowers by Picture | 0 | - | 4.46 | 104,996 |
| Art Works Picture Quiz #3 | 0 | - | 4.45 | 48,523 |
| Authors by Picture | 0 | - | 4.48 | 25,388 |
| Fruit and Vegetable Emojis | 0 | - | 4.42 | 79,393 |
| College Sports Logos Quiz #3 | 0 | - | 4.30 | 55,002 |
| Planets By Picture Quiz | 0 | - | 4.49 | 56,130 |
| Songs by Picture Quiz #1 | 0 | - | 4.68 | 65,311 |
| Songs by Picture Quiz #2 | 0 | - | 4.41 | 58,369 |
| Fish by Picture #1 | 0 | - | 4.41 | 108,047 |
| Animals A-Z by Picture | 0 | - | 4.08 | 65,858 |
| Mammals by Picture #3 | 0 | - | 4.39 | 61,746 |
| Mammals by Picture #4 | 0 | - | 4.03 | 33,884 |
| Birds by Picture #1 | 0 | - | 4.47 | 41,071 |
| Mammals by Picture #2 | 0 | - | 4.28 | 57,833 |
| Oscar Nominated Actors by Picture #1 | 0 | - | 4.42 | 164,388 |
| 1960s Celebrities by Picture #1 | 0 | - | 4.27 | 69,990 |
| 1960s Celebrities by Picture #2 | 0 | - | 4.26 | 51,094 |
| 1950s Celebrities by Picture #1 | 0 | - | 4.24 | 50,906 |
| 1980s Celebrities by Picture #2 | 0 | - | 4.19 | 71,214 |
| 1990s Celebrities by Picture #1 | 0 | - | 4.13 | 78,959 |
| 1990s Celebrities by Picture #2 | 0 | - | 4.16 | 71,898 |
| 2000s Celebrities by Picture #2 | 0 | - | 4.15 | 94,527 |
| 1950s Celebrities by Picture #2 | 0 | - | 4.29 | 45,903 |
| Name that Historical Figure #3 | 0 | - | 4.36 | 237,556 |
| Name that Historical Figure #4 | 0 | - | 4.29 | 157,951 |
| Name that Historical Figure #6 | 0 | - | 4.27 | 92,365 |
| Musicians by Picture #1 | 0 | - | 4.39 | 107,010 |
| Musicians by Picture #2 | 0 | - | 4.29 | 75,216 |
| Musicians by Picture #4 | 0 | - | 4.07 | 63,979 |
| Musicians by Picture #3 | 0 | - | 4.10 | 58,289 |
| Emoji Flags | 0 | - | 4.35 | 43,802 |
| Languages by Combined Flags | 0 | - | 4.53 | 99,077 |
| Satellite Images Quiz #3 | 0 | - | 4.35 | 73,226 |
| Satellite Images - Island Chains | 0 | - | 4.43 | 65,709 |
| Islands by Satellite Image #1 | 0 | - | 4.70 | 70,056 |
| Peninsulas by Satellite Image | 0 | - | 4.53 | 27,661 |
| Landmarks Picture Quiz #1 | 0 | - | 4.16 | 392,871 |
| Airline Logos | 0 | - | 4.45 | 139,894 |
| Brand Logos Quiz #1 | 0 | - | 4.83 | 2,400,373 |
| Fast Food Logos Quiz | 0 | - | 4.43 | 246,822 |
| Mostly-American Candy Logos | 0 | - | 4.14 | 157,715 |
| Brand Logos That Start With S | 0 | - | 4.37 | 56,619 |
| Brand Logos That Start With D | 0 | - | 4.37 | 60,600 |
| Brand Logos That Start With L | 0 | - | 4.39 | 60,132 |
| Brand Logos That Start With C | 0 | - | 4.17 | 48,974 |
| Vegetables by Picture | 0 | - | 4.39 | 62,807 |
| Pick a Picture - Musical Instruments | 0 | - | 4.53 | 51,814 |
