| Former Countries by Territory Map | 0 | - | 4.96 | 101,548 |
| Empires by Maps | 0 | - | 4.98 | 118,499 |
| Islands by Shape #2 | 0 | - | 4.88 | 58,993 |
| Name that Object #1 | 0 | - | 3.56 | 96,303 |
| Visual Memory Test - Random Cartoons | 0 | - | 4.98 | 102,772 |
| Circular Cutouts from a World Map | 0 | - | 4.98 | 61,030 |
| All Country Flags of the World | 0 | - | 5.00 | 3,601,939 |
| Years in History by Picture | 0 | - | 4.44 | 35,107 |
| Famous Foreheads #1 | 0 | - | 4.47 | 74,226 |
| Country Flags Quiz #1 | 0 | - | 4.98 | 2,526,318 |
| Country Flags Quiz #2 | 0 | - | 4.98 | 1,087,378 |
| Country Flags Quiz #3 | 0 | - | 4.98 | 729,654 |
| Old Movies by Picture | 0 | - | 4.51 | 24,798 |
| Musical Instruments by Picture #2 | 0 | - | 4.24 | 46,683 |
| Name that Object #2 | 0 | - | 3.64 | 15,322 |
| Name that Object #3 | 0 | - | 3.93 | 14,303 |
| Make a Stained Glass Window | 0 | - | 5.00 | 67,809 |
| Flags with Crescents | 0 | - | 4.98 | 167,553 |
| Country Flag Trivia | 0 | - | 4.81 | 55,934 |
| Country Flags with Eagles - Picture Quiz | 0 | - | 4.98 | 102,413 |
| Country Flags with the Union Jack | 0 | - | 4.87 | 76,453 |
| Pixelated Flag Quiz | 0 | - | 4.98 | 85,907 |
| Flag Emblems Scavenger Hunt | 0 | - | 5.00 | 66,460 |
| Flags by Horizontal Stripes #1 | 0 | - | 4.84 | 84,376 |
| Country Flags with the Sun - Picture Quiz | 0 | - | 4.83 | 52,033 |
| Random Logos Quiz | 0 | - | 4.32 | 207,017 |
| National Football Team Logos | 0 | - | 4.84 | 178,660 |
| Pictures by Letter - A | 0 | - | 4.17 | 33,123 |
| Pictures by Letter - J | 0 | - | 4.31 | 39,722 |
| Pictures by Letter - B | 0 | - | 4.31 | 43,615 |
| Pictures by Letter - D | 0 | - | 4.16 | 37,306 |
| Pictures by Letter - M | 0 | - | 4.24 | 37,523 |
| Fruits by Picture | 0 | - | 4.20 | 804,628 |
| Geography by Picture - B | 0 | - | 4.42 | 55,414 |
| Geography by Picture - H | 0 | - | 4.49 | 58,046 |
| Geography by Picture - N | 0 | - | 4.45 | 42,048 |
| Geography by Picture - R | 0 | - | 4.55 | 40,877 |
| Geography by Picture - T | 0 | - | 4.54 | 57,676 |
| All North American Pro Sports Logos | 0 | - | 4.70 | 113,277 |
| Flags to Languages | 0 | - | 4.95 | 172,486 |
| Pictures by Letter - E | 0 | - | 3.49 | 34,279 |
| Pictures by Letter - G | 0 | - | 4.14 | 27,914 |
| Pictures by Letter - L | 0 | - | 4.14 | 30,332 |
| Pictures by Letter - F | 0 | - | 4.17 | 28,808 |
| Pictures by Letter - Z | 0 | - | 4.05 | 23,295 |
| Pictures by Letter - Y | 0 | - | 4.22 | 26,105 |
| Pictures by Letter - R | 0 | - | 4.09 | 24,583 |
| Pictures by Letter - K | 0 | - | 4.18 | 24,921 |
| Pictures by Letter - I | 0 | - | 4.16 | 30,178 |
| Pictures by Letter - N | 0 | - | 4.11 | 24,322 |
| Pictures by Letter - P | 0 | - | 4.05 | 25,865 |
| Pictures by Letter - U | 0 | - | 4.10 | 20,612 |
| Pictures by Letter - T | 0 | - | 4.34 | 27,473 |
| Similar Country Flags - Multiple Choice Quiz | 0 | - | 4.94 | 50,154 |
| Name that Historical Figure #1 | 0 | - | 4.63 | 335,507 |
| Car Logos Quiz #1 | 0 | - | 4.44 | 532,035 |
| Name that Bug | 0 | - | 4.12 | 45,450 |
| Islands by Shape #1 | 0 | - | 4.32 | 84,187 |
| 1970s Celebrities by Picture #1 | 0 | - | 4.20 | 57,623 |
| 1970s Celebrities by Picture #2 | 0 | - | 4.21 | 50,407 |
| Elements by Picture | 0 | - | 4.28 | 69,549 |
| Rocks and Minerals Picture Quiz | 0 | - | 4.48 | 29,157 |
| Islands by Picture | 0 | - | 4.29 | 105,895 |
| Classic Movies by Movie Posters | 0 | - | 4.44 | 24,046 |
| Geography by Picture - A | 0 | - | 4.39 | 60,050 |
| Geography by Picture - D | 0 | - | 4.15 | 45,493 |
| Geography by Picture - F | 0 | - | 4.31 | 50,824 |
| Geography by Picture - G | 0 | - | 4.38 | 47,787 |
| Geography by Picture - J | 0 | - | 4.16 | 38,334 |
| Geography by Picture - K | 0 | - | 4.28 | 33,015 |
| Geography by Picture - C | 0 | - | 4.31 | 56,908 |
| Geography by Picture - L | 0 | - | 4.37 | 58,761 |
| Geography by Picture - M | 0 | - | 4.14 | 40,346 |
| Geography by Picture - P | 0 | - | 4.24 | 42,298 |
| Geography by Picture - S | 0 | - | 4.38 | 46,909 |
| Video Game Logos Quiz | 0 | - | 4.40 | 182,647 |
| Movie Logos | 0 | - | 4.33 | 235,884 |
| History by Picture - A | 0 | - | 4.25 | 45,461 |
| History by Picture - B | 0 | - | 4.40 | 48,583 |
| History by Picture - C | 0 | - | 4.36 | 54,083 |
| History by Picture - F | 0 | - | 4.35 | 37,582 |
| History by Picture - G | 0 | - | 4.40 | 41,848 |
| History by Picture - D | 0 | - | 4.29 | 44,010 |
| History by Picture - E | 0 | - | 4.27 | 43,626 |
| History by Picture - H | 0 | - | 4.37 | 36,544 |
| History by Picture - K | 0 | - | 4.35 | 33,103 |
| History by Picture - M | 0 | - | 4.17 | 35,914 |
| History by Picture - N | 0 | - | 4.40 | 41,000 |
| History by Picture - O | 0 | - | 4.39 | 36,041 |
| History by Picture - T | 0 | - | 4.20 | 33,099 |
| Three Real and One Fake - Country Flags | 0 | - | 4.97 | 83,267 |
| Animals by Skeleton Image | 0 | - | 4.80 | 45,981 |
| Animals by Close-up Image | 0 | - | 4.42 | 216,575 |
| Aquatic Mammals by Picture | 0 | - | 4.41 | 45,237 |
| Extinct Animals by Picture | 0 | - | 4.49 | 34,914 |
| Mammals by Picture #1 | 0 | - | 4.70 | 91,103 |
| Pick a Picture - Animal Relations | 0 | - | 4.94 | 54,838 |
| 1940s Celebrities by Picture | 0 | - | 4.43 | 47,773 |
| International Footballers by Picture | 0 | - | 4.50 | 54,735 |
| Name that Historical Figure #2 | 0 | - | 4.43 | 282,625 |
| Name that Historical Figure #5 | 0 | - | 4.43 | 106,626 |
| Name that Historical Figure #7 - U.S. Edition | 0 | - | 4.50 | 50,296 |
| Miscellaneous Flags Quiz | 0 | - | 4.42 | 278,363 |
| Flag Maths | 0 | - | 4.78 | 57,676 |
| Satellite Images #1 | 0 | - | 4.46 | 129,007 |
| Satellite Images Quiz #2 | 0 | - | 4.63 | 108,984 |
| 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 | 38,808 |
| Name the Pixelated Landmark | 0 | - | 4.84 | 62,438 |
| Cities by Picture #1 | 0 | - | 4.73 | 85,359 |
| Soccer Team Logos | 0 | - | 4.26 | 370,797 |
| Ultimate Car Logos Quiz | 0 | - | 4.79 | 176,224 |
| Car Logos Quiz #2 | 0 | - | 4.43 | 259,234 |
| Brand Logos That Start With M | 0 | - | 4.45 | 61,762 |
| Brand Logos That Start With B | 0 | - | 4.41 | 59,192 |
| Brand Logos That Start with A | 0 | - | 4.51 | 69,256 |
| Name that Nut, Seed, or Bean | 0 | - | 4.63 | 56,846 |
| Foods by Picture | 0 | - | 3.81 | 225,471 |
| Junk Foods by Picture | 0 | - | 3.69 | 96,002 |
| Christmas by Picture | 0 | - | 4.25 | 28,100 |
| Hats by Picture | 0 | - | 4.21 | 17,904 |
| Weapons by Picture | 0 | - | 4.13 | 20,881 |
| Cars by Picture | 0 | - | 3.89 | 41,090 |
| Reptile Picture Quiz | 0 | - | 4.32 | 14,228 |
| Plants by Picture | 0 | - | 4.24 | 14,334 |
| 1980s Movie Silhouettes | 0 | - | 4.97 | 102,632 |
| 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 | 47,277 |
| Landforms by Picture | 0 | - | 4.31 | 20,573 |
| Geography by Picture - I | 0 | - | 4.00 | 39,313 |
| Country Flags Multiple Choice | 0 | - | 4.97 | 143,458 |
| Pictures by Letter - H | 0 | - | 3.95 | 30,280 |
| Pictures by Letter - C | 0 | - | 3.99 | 29,993 |
| Pictures by Letter - O | 0 | - | 3.98 | 28,517 |
| Pictures by Letter - Q | 0 | - | 3.92 | 20,280 |
| Pictures by Letter - S | 0 | - | 3.82 | 20,777 |
| Pictures by Letter - W | 0 | - | 3.92 | 19,986 |
| Pictures by Letter - V | 0 | - | 3.98 | 17,835 |
| History by Picture - I | 0 | - | 4.26 | 26,011 |
| History by Picture - J | 0 | - | 4.18 | 26,530 |
| History by Picture - L | 0 | - | 4.18 | 30,560 |
| History by Picture - P | 0 | - | 4.08 | 25,109 |
| History by Picture - Q | 0 | - | 4.03 | 21,922 |
| History by Picture - R | 0 | - | 4.13 | 26,639 |
| 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 | 24,913 |
| History by Picture - W | 0 | - | 4.01 | 21,497 |
| Art Works Picture Quiz #1 | 0 | - | 4.51 | 118,470 |
| Art Works Picture Quiz #2 | 0 | - | 4.49 | 104,656 |
| Musical Instruments by Picture #1 | 0 | - | 4.53 | 267,914 |
| Flowers by Picture | 0 | - | 4.46 | 105,007 |
| Art Works Picture Quiz #3 | 0 | - | 4.45 | 48,532 |
| Authors by Picture | 0 | - | 4.48 | 25,391 |
| Fruit and Vegetable Emojis | 0 | - | 4.42 | 79,465 |
| College Sports Logos Quiz #3 | 0 | - | 4.30 | 55,064 |
| Planets By Picture Quiz | 0 | - | 4.49 | 56,187 |
| Songs by Picture Quiz #1 | 0 | - | 4.68 | 65,364 |
| Songs by Picture Quiz #2 | 0 | - | 4.41 | 58,409 |
| Fish by Picture #1 | 0 | - | 4.41 | 108,082 |
| Animals A-Z by Picture | 0 | - | 4.08 | 65,904 |
| Mammals by Picture #3 | 0 | - | 4.39 | 61,765 |
| Mammals by Picture #4 | 0 | - | 4.03 | 33,898 |
| Birds by Picture #1 | 0 | - | 4.47 | 41,112 |
| Mammals by Picture #2 | 0 | - | 4.28 | 57,864 |
| Oscar Nominated Actors by Picture #1 | 0 | - | 4.42 | 164,441 |
| 1960s Celebrities by Picture #1 | 0 | - | 4.27 | 70,017 |
| 1960s Celebrities by Picture #2 | 0 | - | 4.26 | 51,130 |
| 1950s Celebrities by Picture #1 | 0 | - | 4.24 | 50,922 |
| 1980s Celebrities by Picture #2 | 0 | - | 4.19 | 71,253 |
| 1990s Celebrities by Picture #1 | 0 | - | 4.13 | 78,996 |
| 1990s Celebrities by Picture #2 | 0 | - | 4.16 | 71,940 |
| 2000s Celebrities by Picture #2 | 0 | - | 4.15 | 94,593 |
| 1950s Celebrities by Picture #2 | 0 | - | 4.29 | 45,926 |
| Name that Historical Figure #3 | 0 | - | 4.36 | 237,653 |
| Name that Historical Figure #4 | 0 | - | 4.29 | 158,035 |
| Name that Historical Figure #6 | 0 | - | 4.27 | 92,428 |
| Musicians by Picture #1 | 0 | - | 4.39 | 107,131 |
| Musicians by Picture #2 | 0 | - | 4.29 | 75,294 |
| Musicians by Picture #4 | 0 | - | 4.07 | 64,049 |
| Musicians by Picture #3 | 0 | - | 4.10 | 58,331 |
| Emoji Flags | 0 | - | 4.35 | 43,815 |
| Languages by Combined Flags | 0 | - | 4.53 | 99,141 |
| Satellite Images Quiz #3 | 0 | - | 4.35 | 73,242 |
| Satellite Images - Island Chains | 0 | - | 4.43 | 65,742 |
| Islands by Satellite Image #1 | 0 | - | 4.70 | 70,102 |
| Peninsulas by Satellite Image | 0 | - | 4.53 | 27,672 |
| Landmarks Picture Quiz #1 | 0 | - | 4.16 | 393,003 |
| Airline Logos | 0 | - | 4.45 | 139,945 |
| Brand Logos Quiz #1 | 0 | - | 4.83 | 2,401,948 |
| Fast Food Logos Quiz | 0 | - | 4.43 | 246,932 |
| Mostly-American Candy Logos | 0 | - | 4.14 | 157,814 |
| Brand Logos That Start With S | 0 | - | 4.37 | 56,709 |
| Brand Logos That Start With D | 0 | - | 4.37 | 60,664 |
| Brand Logos That Start With L | 0 | - | 4.39 | 60,184 |
| Brand Logos That Start With C | 0 | - | 4.17 | 49,010 |
| Vegetables by Picture | 0 | - | 4.39 | 62,852 |
| Pick a Picture - Musical Instruments | 0 | - | 4.53 | 51,845 |
