| Former Countries by Territory Map | 0 | - | 4.96 | 101,512 |
| Empires by Maps | 0 | - | 4.98 | 118,430 |
| Islands by Shape #2 | 0 | - | 4.88 | 58,989 |
| Name that Object #1 | 0 | - | 3.56 | 96,298 |
| Visual Memory Test - Random Cartoons | 0 | - | 4.98 | 102,738 |
| Circular Cutouts from a World Map | 0 | - | 4.98 | 61,019 |
| All Country Flags of the World | 0 | - | 5.00 | 3,600,679 |
| Years in History by Picture | 0 | - | 4.44 | 35,096 |
| Famous Foreheads #1 | 0 | - | 4.47 | 74,211 |
| Country Flags Quiz #1 | 0 | - | 4.98 | 2,526,083 |
| Country Flags Quiz #2 | 0 | - | 4.98 | 1,087,272 |
| Country Flags Quiz #3 | 0 | - | 4.98 | 729,565 |
| Old Movies by Picture | 0 | - | 4.51 | 24,786 |
| Musical Instruments by Picture #2 | 0 | - | 4.24 | 46,668 |
| Name that Object #2 | 0 | - | 3.64 | 15,319 |
| Name that Object #3 | 0 | - | 3.93 | 14,299 |
| Make a Stained Glass Window | 0 | - | 5.00 | 67,794 |
| Flags with Crescents | 0 | - | 4.98 | 167,516 |
| Country Flag Trivia | 0 | - | 4.81 | 55,909 |
| Country Flags with Eagles - Picture Quiz | 0 | - | 4.98 | 102,379 |
| Country Flags with the Union Jack | 0 | - | 4.87 | 76,436 |
| Pixelated Flag Quiz | 0 | - | 4.98 | 85,879 |
| Flag Emblems Scavenger Hunt | 0 | - | 5.00 | 66,440 |
| Flags by Horizontal Stripes #1 | 0 | - | 4.84 | 84,362 |
| Country Flags with the Sun - Picture Quiz | 0 | - | 4.83 | 52,007 |
| Random Logos Quiz | 0 | - | 4.32 | 206,988 |
| National Football Team Logos | 0 | - | 4.84 | 178,622 |
| Pictures by Letter - A | 0 | - | 4.17 | 33,120 |
| Pictures by Letter - J | 0 | - | 4.31 | 39,716 |
| Pictures by Letter - B | 0 | - | 4.31 | 43,609 |
| Pictures by Letter - D | 0 | - | 4.16 | 37,302 |
| Pictures by Letter - M | 0 | - | 4.24 | 37,518 |
| Fruits by Picture | 0 | - | 4.20 | 804,566 |
| Geography by Picture - B | 0 | - | 4.42 | 55,406 |
| Geography by Picture - H | 0 | - | 4.49 | 58,039 |
| Geography by Picture - N | 0 | - | 4.45 | 42,045 |
| Geography by Picture - R | 0 | - | 4.55 | 40,876 |
| Geography by Picture - T | 0 | - | 4.54 | 57,673 |
| All North American Pro Sports Logos | 0 | - | 4.70 | 113,220 |
| Flags to Languages | 0 | - | 4.95 | 172,462 |
| Pictures by Letter - E | 0 | - | 3.49 | 34,274 |
| Pictures by Letter - G | 0 | - | 4.14 | 27,908 |
| Pictures by Letter - L | 0 | - | 4.14 | 30,326 |
| Pictures by Letter - F | 0 | - | 4.17 | 28,801 |
| Pictures by Letter - Z | 0 | - | 4.05 | 23,291 |
| Pictures by Letter - Y | 0 | - | 4.22 | 26,103 |
| Pictures by Letter - R | 0 | - | 4.09 | 24,578 |
| Pictures by Letter - K | 0 | - | 4.18 | 24,917 |
| Pictures by Letter - I | 0 | - | 4.16 | 30,177 |
| Pictures by Letter - N | 0 | - | 4.11 | 24,318 |
| Pictures by Letter - P | 0 | - | 4.05 | 25,858 |
| Pictures by Letter - U | 0 | - | 4.10 | 20,605 |
| Pictures by Letter - T | 0 | - | 4.34 | 27,468 |
| Similar Country Flags - Multiple Choice Quiz | 0 | - | 4.94 | 50,151 |
| Name that Historical Figure #1 | 0 | - | 4.63 | 335,463 |
| Car Logos Quiz #1 | 0 | - | 4.44 | 531,902 |
| Name that Bug | 0 | - | 4.12 | 45,448 |
| Islands by Shape #1 | 0 | - | 4.32 | 84,182 |
| 1970s Celebrities by Picture #1 | 0 | - | 4.20 | 57,615 |
| 1970s Celebrities by Picture #2 | 0 | - | 4.21 | 50,400 |
| Elements by Picture | 0 | - | 4.28 | 69,537 |
| Rocks and Minerals Picture Quiz | 0 | - | 4.48 | 29,155 |
| Islands by Picture | 0 | - | 4.29 | 105,866 |
| Classic Movies by Movie Posters | 0 | - | 4.44 | 24,040 |
| Geography by Picture - A | 0 | - | 4.39 | 60,047 |
| Geography by Picture - D | 0 | - | 4.15 | 45,487 |
| Geography by Picture - F | 0 | - | 4.31 | 50,822 |
| Geography by Picture - G | 0 | - | 4.38 | 47,782 |
| Geography by Picture - J | 0 | - | 4.16 | 38,333 |
| Geography by Picture - K | 0 | - | 4.28 | 33,011 |
| Geography by Picture - C | 0 | - | 4.31 | 56,903 |
| Geography by Picture - L | 0 | - | 4.37 | 58,754 |
| Geography by Picture - M | 0 | - | 4.14 | 40,343 |
| Geography by Picture - P | 0 | - | 4.24 | 42,296 |
| Geography by Picture - S | 0 | - | 4.38 | 46,906 |
| Video Game Logos Quiz | 0 | - | 4.40 | 182,606 |
| Movie Logos | 0 | - | 4.33 | 235,799 |
| History by Picture - A | 0 | - | 4.25 | 45,452 |
| History by Picture - B | 0 | - | 4.40 | 48,564 |
| History by Picture - C | 0 | - | 4.36 | 54,069 |
| History by Picture - F | 0 | - | 4.35 | 37,574 |
| History by Picture - G | 0 | - | 4.40 | 41,840 |
| History by Picture - D | 0 | - | 4.29 | 43,995 |
| History by Picture - E | 0 | - | 4.27 | 43,618 |
| History by Picture - H | 0 | - | 4.37 | 36,532 |
| History by Picture - K | 0 | - | 4.35 | 33,096 |
| History by Picture - M | 0 | - | 4.17 | 35,904 |
| History by Picture - N | 0 | - | 4.40 | 40,986 |
| History by Picture - O | 0 | - | 4.39 | 36,029 |
| History by Picture - T | 0 | - | 4.20 | 33,090 |
| Three Real and One Fake - Country Flags | 0 | - | 4.97 | 83,248 |
| Animals by Skeleton Image | 0 | - | 4.80 | 45,973 |
| Animals by Close-up Image | 0 | - | 4.42 | 216,561 |
| Aquatic Mammals by Picture | 0 | - | 4.41 | 45,226 |
| Extinct Animals by Picture | 0 | - | 4.49 | 34,909 |
| Mammals by Picture #1 | 0 | - | 4.70 | 91,090 |
| Pick a Picture - Animal Relations | 0 | - | 4.94 | 54,824 |
| 1940s Celebrities by Picture | 0 | - | 4.43 | 47,764 |
| International Footballers by Picture | 0 | - | 4.50 | 54,712 |
| Name that Historical Figure #2 | 0 | - | 4.43 | 282,573 |
| Name that Historical Figure #5 | 0 | - | 4.43 | 106,600 |
| Name that Historical Figure #7 - U.S. Edition | 0 | - | 4.50 | 50,282 |
| Miscellaneous Flags Quiz | 0 | - | 4.42 | 278,318 |
| Flag Maths | 0 | - | 4.78 | 57,672 |
| Satellite Images Quiz #1 | 0 | - | 4.46 | 129,001 |
| Satellite Images Quiz #2 | 0 | - | 4.63 | 108,978 |
| Satellite Images Quiz #4 | 0 | - | 4.55 | 88,643 |
| Satellite Images Quiz #5 | 0 | - | 4.48 | 49,643 |
| Satellite Images Quiz #6 | 0 | - | 4.50 | 38,803 |
| Name the Pixelated Landmark | 0 | - | 4.84 | 62,416 |
| Cities by Picture #1 | 0 | - | 4.73 | 85,348 |
| Soccer Team Logos | 0 | - | 4.26 | 370,708 |
| Ultimate Car Logos Quiz | 0 | - | 4.79 | 176,141 |
| Car Logos Quiz #2 | 0 | - | 4.43 | 259,187 |
| Brand Logos That Start With M | 0 | - | 4.45 | 61,739 |
| Brand Logos That Start With B | 0 | - | 4.41 | 59,171 |
| Brand Logos That Start with A | 0 | - | 4.51 | 69,225 |
| Name that Nut, Seed, or Bean | 0 | - | 4.63 | 56,836 |
| Foods by Picture | 0 | - | 3.81 | 225,453 |
| Junk Foods by Picture | 0 | - | 3.69 | 95,988 |
| Christmas by Picture | 0 | - | 4.25 | 28,099 |
| Hats by Picture | 0 | - | 4.21 | 17,904 |
| Weapons by Picture | 0 | - | 4.13 | 20,880 |
| Cars by Picture | 0 | - | 3.89 | 41,081 |
| Reptile Picture Quiz | 0 | - | 4.32 | 14,225 |
| Plants by Picture | 0 | - | 4.24 | 14,334 |
| 1980s Movie Silhouettes | 0 | - | 4.97 | 102,550 |
| Women in History by Picture | 0 | - | 4.25 | 25,757 |
| Famous Foreheads #2 | 0 | - | 3.17 | 15,654 |
| Geography by Picture - E | 0 | - | 3.55 | 47,274 |
| Landforms by Picture | 0 | - | 4.31 | 20,572 |
| Geography by Picture - I | 0 | - | 4.00 | 39,311 |
| Country Flags Multiple Choice | 0 | - | 4.97 | 143,424 |
| Pictures by Letter - H | 0 | - | 3.95 | 30,275 |
| Pictures by Letter - C | 0 | - | 3.99 | 29,988 |
| Pictures by Letter - O | 0 | - | 3.98 | 28,511 |
| Pictures by Letter - Q | 0 | - | 3.92 | 20,276 |
| Pictures by Letter - S | 0 | - | 3.82 | 20,772 |
| Pictures by Letter - W | 0 | - | 3.92 | 19,983 |
| Pictures by Letter - V | 0 | - | 3.98 | 17,832 |
| History by Picture - I | 0 | - | 4.26 | 26,001 |
| History by Picture - J | 0 | - | 4.18 | 26,522 |
| History by Picture - L | 0 | - | 4.18 | 30,550 |
| History by Picture - P | 0 | - | 4.08 | 25,102 |
| History by Picture - Q | 0 | - | 4.03 | 21,913 |
| History by Picture - R | 0 | - | 4.13 | 26,626 |
| History by Picture - S | 0 | - | 4.14 | 27,585 |
| History by Picture - U | 0 | - | 4.24 | 24,933 |
| History by Picture - V | 0 | - | 4.30 | 24,902 |
| History by Picture - W | 0 | - | 4.01 | 21,489 |
| Art Works Picture Quiz #1 | 0 | - | 4.51 | 118,453 |
| Art Works Picture Quiz #2 | 0 | - | 4.49 | 104,634 |
| Musical Instruments by Picture #1 | 0 | - | 4.53 | 267,876 |
| Flowers by Picture | 0 | - | 4.46 | 105,001 |
| Art Works Picture Quiz #3 | 0 | - | 4.45 | 48,527 |
| Authors by Picture | 0 | - | 4.48 | 25,390 |
| Fruit and Vegetable Emojis | 0 | - | 4.42 | 79,440 |
| College Sports Logos Quiz #3 | 0 | - | 4.30 | 55,040 |
| Planets By Picture Quiz | 0 | - | 4.49 | 56,167 |
| Songs by Picture Quiz #1 | 0 | - | 4.68 | 65,349 |
| Songs by Picture Quiz #2 | 0 | - | 4.41 | 58,398 |
| Fish by Picture #1 | 0 | - | 4.41 | 108,072 |
| Animals A-Z by Picture | 0 | - | 4.08 | 65,889 |
| Mammals by Picture #3 | 0 | - | 4.39 | 61,760 |
| Mammals by Picture #4 | 0 | - | 4.03 | 33,892 |
| Birds by Picture #1 | 0 | - | 4.47 | 41,094 |
| Mammals by Picture #2 | 0 | - | 4.28 | 57,849 |
| Oscar Nominated Actors by Picture #1 | 0 | - | 4.42 | 164,425 |
| 1960s Celebrities by Picture #1 | 0 | - | 4.27 | 70,007 |
| 1960s Celebrities by Picture #2 | 0 | - | 4.26 | 51,121 |
| 1950s Celebrities by Picture #1 | 0 | - | 4.24 | 50,916 |
| 1980s Celebrities by Picture #2 | 0 | - | 4.19 | 71,238 |
| 1990s Celebrities by Picture #1 | 0 | - | 4.13 | 78,981 |
| 1990s Celebrities by Picture #2 | 0 | - | 4.16 | 71,929 |
| 2000s Celebrities by Picture #2 | 0 | - | 4.15 | 94,575 |
| 1950s Celebrities by Picture #2 | 0 | - | 4.29 | 45,919 |
| Name that Historical Figure #3 | 0 | - | 4.36 | 237,619 |
| Name that Historical Figure #4 | 0 | - | 4.29 | 158,015 |
| Name that Historical Figure #6 | 0 | - | 4.27 | 92,403 |
| Musicians by Picture #1 | 0 | - | 4.39 | 107,097 |
| Musicians by Picture #2 | 0 | - | 4.29 | 75,274 |
| Musicians by Picture #4 | 0 | - | 4.07 | 64,033 |
| Musicians by Picture #3 | 0 | - | 4.10 | 58,319 |
| Emoji Flags | 0 | - | 4.35 | 43,810 |
| Languages by Combined Flags | 0 | - | 4.53 | 99,118 |
| Satellite Images Quiz #3 | 0 | - | 4.35 | 73,236 |
| Satellite Images - Island Chains | 0 | - | 4.43 | 65,733 |
| Islands by Satellite Image #1 | 0 | - | 4.70 | 70,084 |
| Peninsulas by Satellite Image | 0 | - | 4.53 | 27,668 |
| Landmarks Picture Quiz #1 | 0 | - | 4.16 | 392,963 |
| Airline Logos | 0 | - | 4.45 | 139,934 |
| Brand Logos Quiz #1 | 0 | - | 4.83 | 2,401,436 |
| Fast Food Logos Quiz | 0 | - | 4.43 | 246,897 |
| Mostly-American Candy Logos | 0 | - | 4.14 | 157,783 |
| Brand Logos That Start With S | 0 | - | 4.37 | 56,681 |
| Brand Logos That Start With D | 0 | - | 4.37 | 60,645 |
| Brand Logos That Start With L | 0 | - | 4.39 | 60,169 |
| Brand Logos That Start With C | 0 | - | 4.17 | 48,999 |
| Vegetables by Picture | 0 | - | 4.39 | 62,839 |
| Pick a Picture - Musical Instruments | 0 | - | 4.53 | 51,830 |
