| Former Countries by Territory Map | 0 | - | 4.96 | 101,562 |
| Empires by Maps | 0 | - | 4.98 | 118,512 |
| Islands by Shape #2 | 0 | - | 4.88 | 58,993 |
| Name that Object #1 | 0 | - | 3.56 | 96,307 |
| Visual Memory Test - Random Cartoons | 0 | - | 4.98 | 102,780 |
| Circular Cutouts from a World Map | 0 | - | 4.98 | 61,034 |
| All Country Flags of the World | 0 | - | 5.00 | 3,602,474 |
| Years in History by Picture | 0 | - | 4.44 | 35,112 |
| Famous Foreheads #1 | 0 | - | 4.47 | 74,231 |
| Country Flags Quiz #1 | 0 | - | 4.98 | 2,526,404 |
| Country Flags Quiz #2 | 0 | - | 4.98 | 1,087,428 |
| Country Flags Quiz #3 | 0 | - | 4.98 | 729,688 |
| Old Movies by Picture | 0 | - | 4.51 | 24,799 |
| Musical Instruments by Picture #2 | 0 | - | 4.24 | 46,683 |
| Name that Object #2 | 0 | - | 3.64 | 15,326 |
| Name that Object #3 | 0 | - | 3.93 | 14,306 |
| Make a Stained Glass Window | 0 | - | 5.00 | 67,813 |
| Flags with Crescents | 0 | - | 4.98 | 167,571 |
| Country Flag Trivia | 0 | - | 4.81 | 55,936 |
| Country Flags with Eagles - Picture Quiz | 0 | - | 4.98 | 102,425 |
| Country Flags with the Union Jack | 0 | - | 4.87 | 76,460 |
| Pixelated Flag Quiz | 0 | - | 4.98 | 85,914 |
| Flag Emblems Scavenger Hunt | 0 | - | 5.00 | 66,464 |
| Flags by Horizontal Stripes #1 | 0 | - | 4.84 | 84,382 |
| Country Flags with the Sun - Picture Quiz | 0 | - | 4.83 | 52,037 |
| Random Logos Quiz | 0 | - | 4.32 | 207,033 |
| National Football Team Logos | 0 | - | 4.84 | 178,671 |
| Pictures by Letter - A | 0 | - | 4.17 | 33,124 |
| Pictures by Letter - J | 0 | - | 4.31 | 39,722 |
| Pictures by Letter - B | 0 | - | 4.31 | 43,616 |
| Pictures by Letter - D | 0 | - | 4.16 | 37,308 |
| Pictures by Letter - M | 0 | - | 4.24 | 37,525 |
| Fruits by Picture | 0 | - | 4.20 | 804,658 |
| Geography by Picture - B | 0 | - | 4.42 | 55,418 |
| Geography by Picture - H | 0 | - | 4.49 | 58,051 |
| Geography by Picture - N | 0 | - | 4.45 | 42,050 |
| Geography by Picture - R | 0 | - | 4.55 | 40,879 |
| Geography by Picture - T | 0 | - | 4.54 | 57,677 |
| All North American Pro Sports Logos | 0 | - | 4.70 | 113,290 |
| Flags to Languages | 0 | - | 4.95 | 172,490 |
| Pictures by Letter - E | 0 | - | 3.49 | 34,280 |
| Pictures by Letter - G | 0 | - | 4.14 | 27,917 |
| Pictures by Letter - L | 0 | - | 4.14 | 30,334 |
| Pictures by Letter - F | 0 | - | 4.17 | 28,808 |
| Pictures by Letter - Z | 0 | - | 4.05 | 23,297 |
| Pictures by Letter - Y | 0 | - | 4.22 | 26,109 |
| Pictures by Letter - R | 0 | - | 4.09 | 24,586 |
| Pictures by Letter - K | 0 | - | 4.18 | 24,922 |
| Pictures by Letter - I | 0 | - | 4.16 | 30,181 |
| Pictures by Letter - N | 0 | - | 4.11 | 24,323 |
| Pictures by Letter - P | 0 | - | 4.05 | 25,868 |
| Pictures by Letter - U | 0 | - | 4.10 | 20,614 |
| Pictures by Letter - T | 0 | - | 4.34 | 27,477 |
| Similar Country Flags - Multiple Choice Quiz | 0 | - | 4.94 | 50,154 |
| Name that Historical Figure #1 | 0 | - | 4.63 | 335,522 |
| Car Logos Quiz #1 | 0 | - | 4.44 | 532,099 |
| Name that Bug | 0 | - | 4.12 | 45,451 |
| Islands by Shape #1 | 0 | - | 4.32 | 84,189 |
| 1970s Celebrities by Picture #1 | 0 | - | 4.20 | 57,629 |
| 1970s Celebrities by Picture #2 | 0 | - | 4.21 | 50,412 |
| Elements by Picture | 0 | - | 4.28 | 69,552 |
| Rocks and Minerals Picture Quiz | 0 | - | 4.48 | 29,158 |
| Islands by Picture | 0 | - | 4.29 | 105,902 |
| Classic Movies by Movie Posters | 0 | - | 4.44 | 24,048 |
| Geography by Picture - A | 0 | - | 4.39 | 60,055 |
| Geography by Picture - D | 0 | - | 4.15 | 45,495 |
| Geography by Picture - F | 0 | - | 4.31 | 50,828 |
| Geography by Picture - G | 0 | - | 4.38 | 47,792 |
| Geography by Picture - J | 0 | - | 4.16 | 38,336 |
| Geography by Picture - K | 0 | - | 4.28 | 33,015 |
| Geography by Picture - C | 0 | - | 4.31 | 56,911 |
| Geography by Picture - L | 0 | - | 4.37 | 58,763 |
| Geography by Picture - M | 0 | - | 4.14 | 40,347 |
| Geography by Picture - P | 0 | - | 4.24 | 42,300 |
| Geography by Picture - S | 0 | - | 4.38 | 46,910 |
| Video Game Logos Quiz | 0 | - | 4.40 | 182,661 |
| Movie Logos | 0 | - | 4.33 | 235,912 |
| History by Picture - A | 0 | - | 4.25 | 45,463 |
| History by Picture - B | 0 | - | 4.40 | 48,587 |
| History by Picture - C | 0 | - | 4.36 | 54,086 |
| History by Picture - F | 0 | - | 4.35 | 37,583 |
| History by Picture - G | 0 | - | 4.40 | 41,853 |
| History by Picture - D | 0 | - | 4.29 | 44,013 |
| History by Picture - E | 0 | - | 4.27 | 43,628 |
| History by Picture - H | 0 | - | 4.37 | 36,545 |
| History by Picture - K | 0 | - | 4.35 | 33,105 |
| History by Picture - M | 0 | - | 4.17 | 35,915 |
| History by Picture - N | 0 | - | 4.40 | 41,001 |
| History by Picture - O | 0 | - | 4.39 | 36,042 |
| History by Picture - T | 0 | - | 4.20 | 33,099 |
| Three Real and One Fake - Country Flags | 0 | - | 4.97 | 83,273 |
| Animals by Skeleton Image | 0 | - | 4.80 | 45,988 |
| Animals by Close-up Image | 0 | - | 4.42 | 216,595 |
| Aquatic Mammals by Picture | 0 | - | 4.41 | 45,241 |
| Extinct Animals by Picture | 0 | - | 4.49 | 34,916 |
| Mammals by Picture #1 | 0 | - | 4.70 | 91,106 |
| Pick a Picture - Animal Relations | 0 | - | 4.94 | 54,843 |
| 1940s Celebrities by Picture | 0 | - | 4.43 | 47,776 |
| International Footballers by Picture | 0 | - | 4.50 | 54,742 |
| Name that Historical Figure #2 | 0 | - | 4.43 | 282,640 |
| Name that Historical Figure #5 | 0 | - | 4.43 | 106,635 |
| Name that Historical Figure #7 - U.S. Edition | 0 | - | 4.50 | 50,299 |
| Miscellaneous Flags Quiz | 0 | - | 4.42 | 278,378 |
| Flag Maths | 0 | - | 4.78 | 57,676 |
| Satellite Images #1 | 0 | - | 4.46 | 129,009 |
| Satellite Images Quiz #2 | 0 | - | 4.63 | 108,988 |
| Satellite Images Quiz #4 | 0 | - | 4.55 | 88,651 |
| Satellite Images Quiz #5 | 0 | - | 4.48 | 49,649 |
| Satellite Images Quiz #6 | 0 | - | 4.50 | 38,809 |
| Name the Pixelated Landmark | 0 | - | 4.84 | 62,445 |
| Cities by Picture #1 | 0 | - | 4.73 | 85,363 |
| Soccer Team Logos | 0 | - | 4.26 | 370,828 |
| Ultimate Car Logos Quiz | 0 | - | 4.79 | 176,280 |
| Car Logos Quiz #2 | 0 | - | 4.43 | 259,263 |
| Brand Logos That Start With M | 0 | - | 4.45 | 61,773 |
| Brand Logos That Start With B | 0 | - | 4.41 | 59,197 |
| Brand Logos That Start with A | 0 | - | 4.51 | 69,268 |
| Name that Nut, Seed, or Bean | 0 | - | 4.63 | 56,849 |
| Foods by Picture | 0 | - | 3.81 | 225,478 |
| Junk Foods by Picture | 0 | - | 3.69 | 96,006 |
| Christmas by Picture | 0 | - | 4.25 | 28,100 |
| Hats by Picture | 0 | - | 4.21 | 17,904 |
| Weapons by Picture | 0 | - | 4.13 | 20,882 |
| Cars by Picture | 0 | - | 3.89 | 41,090 |
| Reptile Picture Quiz | 0 | - | 4.32 | 14,230 |
| Plants by Picture | 0 | - | 4.24 | 14,335 |
| 1980s Movie Silhouettes | 0 | - | 4.97 | 102,656 |
| Women in History by Picture | 0 | - | 4.25 | 25,761 |
| Famous Foreheads #2 | 0 | - | 3.17 | 15,656 |
| Geography by Picture - E | 0 | - | 3.55 | 47,280 |
| Landforms by Picture | 0 | - | 4.31 | 20,573 |
| Geography by Picture - I | 0 | - | 4.00 | 39,316 |
| Country Flags Multiple Choice | 0 | - | 4.97 | 143,471 |
| Pictures by Letter - H | 0 | - | 3.95 | 30,282 |
| Pictures by Letter - C | 0 | - | 3.99 | 29,994 |
| Pictures by Letter - O | 0 | - | 3.98 | 28,517 |
| Pictures by Letter - Q | 0 | - | 3.92 | 20,281 |
| Pictures by Letter - S | 0 | - | 3.82 | 20,779 |
| Pictures by Letter - W | 0 | - | 3.92 | 19,989 |
| Pictures by Letter - V | 0 | - | 3.98 | 17,838 |
| History by Picture - I | 0 | - | 4.26 | 26,012 |
| History by Picture - J | 0 | - | 4.18 | 26,531 |
| History by Picture - L | 0 | - | 4.18 | 30,563 |
| History by Picture - P | 0 | - | 4.08 | 25,110 |
| History by Picture - Q | 0 | - | 4.03 | 21,922 |
| History by Picture - R | 0 | - | 4.13 | 26,641 |
| History by Picture - S | 0 | - | 4.14 | 27,591 |
| History by Picture - U | 0 | - | 4.24 | 24,943 |
| History by Picture - V | 0 | - | 4.30 | 24,914 |
| History by Picture - W | 0 | - | 4.01 | 21,497 |
| Art Works Picture Quiz #1 | 0 | - | 4.51 | 118,474 |
| Art Works Picture Quiz #2 | 0 | - | 4.49 | 104,659 |
| Musical Instruments by Picture #1 | 0 | - | 4.52 | 267,924 |
| Flowers by Picture | 0 | - | 4.46 | 105,013 |
| Art Works Picture Quiz #3 | 0 | - | 4.45 | 48,532 |
| Authors by Picture | 0 | - | 4.48 | 25,393 |
| Fruit and Vegetable Emojis | 0 | - | 4.42 | 79,473 |
| College Sports Logos Quiz #3 | 0 | - | 4.30 | 55,068 |
| Planets By Picture Quiz | 0 | - | 4.49 | 56,195 |
| Songs by Picture Quiz #1 | 0 | - | 4.68 | 65,370 |
| Songs by Picture Quiz #2 | 0 | - | 4.41 | 58,415 |
| Fish by Picture #1 | 0 | - | 4.41 | 108,089 |
| Animals A-Z by Picture | 0 | - | 4.08 | 65,907 |
| Mammals by Picture #3 | 0 | - | 4.39 | 61,766 |
| Mammals by Picture #4 | 0 | - | 4.03 | 33,899 |
| Birds by Picture #1 | 0 | - | 4.47 | 41,113 |
| Mammals by Picture #2 | 0 | - | 4.28 | 57,866 |
| Oscar Nominated Actors by Picture #1 | 0 | - | 4.42 | 164,449 |
| 1960s Celebrities by Picture #1 | 0 | - | 4.27 | 70,021 |
| 1960s Celebrities by Picture #2 | 0 | - | 4.26 | 51,133 |
| 1950s Celebrities by Picture #1 | 0 | - | 4.24 | 50,928 |
| 1980s Celebrities by Picture #2 | 0 | - | 4.19 | 71,255 |
| 1990s Celebrities by Picture #1 | 0 | - | 4.13 | 78,997 |
| 1990s Celebrities by Picture #2 | 0 | - | 4.16 | 71,941 |
| 2000s Celebrities by Picture #2 | 0 | - | 4.15 | 94,597 |
| 1950s Celebrities by Picture #2 | 0 | - | 4.29 | 45,929 |
| Name that Historical Figure #3 | 0 | - | 4.36 | 237,662 |
| Name that Historical Figure #4 | 0 | - | 4.29 | 158,044 |
| Name that Historical Figure #6 | 0 | - | 4.27 | 92,434 |
| Musicians by Picture #1 | 0 | - | 4.39 | 107,145 |
| Musicians by Picture #2 | 0 | - | 4.29 | 75,307 |
| Musicians by Picture #4 | 0 | - | 4.07 | 64,058 |
| Musicians by Picture #3 | 0 | - | 4.10 | 58,335 |
| Emoji Flags | 0 | - | 4.35 | 43,817 |
| Languages by Combined Flags | 0 | - | 4.53 | 99,146 |
| Satellite Images Quiz #3 | 0 | - | 4.35 | 73,242 |
| Satellite Images - Island Chains | 0 | - | 4.43 | 65,749 |
| Islands by Satellite Image #1 | 0 | - | 4.70 | 70,108 |
| Peninsulas by Satellite Image | 0 | - | 4.53 | 27,672 |
| Landmarks Picture Quiz #1 | 0 | - | 4.16 | 393,017 |
| Airline Logos | 0 | - | 4.45 | 139,952 |
| Brand Logos Quiz #1 | 0 | - | 4.83 | 2,402,220 |
| Fast Food Logos Quiz | 0 | - | 4.43 | 246,942 |
| Mostly-American Candy Logos | 0 | - | 4.14 | 157,825 |
| Brand Logos That Start With S | 0 | - | 4.37 | 56,717 |
| Brand Logos That Start With D | 0 | - | 4.37 | 60,671 |
| Brand Logos That Start With L | 0 | - | 4.39 | 60,196 |
| Brand Logos That Start With C | 0 | - | 4.17 | 49,013 |
| Vegetables by Picture | 0 | - | 4.39 | 62,861 |
| Pick a Picture - Musical Instruments | 0 | - | 4.53 | 51,851 |
