| Former Countries by Territory Map | 0 | - | 4.96 | 101,901 |
| Empires by Maps | 0 | - | 4.98 | 118,950 |
| Merged Company Logos #1 | 0 | - | 4.91 | 105,664 |
| Islands by Shape #2 | 0 | - | 4.88 | 59,062 |
| Visual Memory Test - Random Cartoons | 0 | - | 4.98 | 103,126 |
| Play-Doh People from History | 0 | - | 4.99 | 94,087 |
| Famous Landmarks Out Of Focus #1 | 0 | - | 4.89 | 60,481 |
| Jeppy in Disguise #1 | 0 | - | 4.92 | 48,885 |
| Circular Cutouts from a World Map | 0 | - | 4.98 | 61,165 |
| All Country Flags of the World | 0 | - | 5.00 | 3,617,463 |
| Years in History by Picture | 0 | - | 4.44 | 35,220 |
| Famous Foreheads #1 | 0 | - | 4.47 | 74,393 |
| Country Flags Quiz #1 | 0 | - | 4.98 | 2,529,143 |
| Country Flags Quiz #2 | 0 | - | 4.98 | 1,088,735 |
| Country Flags Quiz #3 | 0 | - | 4.98 | 730,606 |
| Merged Company Logos #2 | 0 | - | 4.75 | 76,930 |
| Name that Object #1 | 0 | - | 3.56 | 96,344 |
| Make a Stained Glass Window | 0 | - | 5.00 | 68,003 |
| Flags with Crescents | 0 | - | 4.98 | 168,007 |
| Country Flag Trivia | 0 | - | 4.81 | 56,168 |
| Country Flags with Eagles - Picture Quiz | 0 | - | 4.98 | 102,708 |
| Country Flags with the Union Jack | 0 | - | 4.87 | 76,682 |
| Pixelated Flag Quiz | 0 | - | 4.98 | 86,229 |
| Flag Emblems Scavenger Hunt | 0 | - | 5.00 | 66,653 |
| Flags by Horizontal Stripes #1 | 0 | - | 4.84 | 84,564 |
| Country Flags with the Sun - Picture Quiz | 0 | - | 4.83 | 52,232 |
| Real vs. Fake Flags | 0 | - | 4.98 | 122,941 |
| National Football Team Logos | 0 | - | 4.85 | 179,130 |
| Old Movies by Picture | 0 | - | 4.51 | 24,897 |
| Musical Instruments by Picture #2 | 0 | - | 4.24 | 46,765 |
| Random Logos Quiz | 0 | - | 4.31 | 207,371 |
| Pictures by Letter - A | 0 | - | 4.17 | 33,204 |
| Pictures by Letter - J | 0 | - | 4.31 | 39,801 |
| Pictures by Letter - B | 0 | - | 4.31 | 43,691 |
| Pictures by Letter - D | 0 | - | 4.16 | 37,381 |
| Pictures by Letter - M | 0 | - | 4.24 | 37,590 |
| Fruits by Picture | 0 | - | 4.20 | 805,340 |
| Geography by Picture - B | 0 | - | 4.42 | 55,464 |
| Geography by Picture - H | 0 | - | 4.50 | 58,088 |
| Geography by Picture - N | 0 | - | 4.45 | 42,082 |
| Geography by Picture - R | 0 | - | 4.56 | 40,913 |
| Geography by Picture - T | 0 | - | 4.54 | 57,717 |
| Flags to Languages | 0 | - | 4.95 | 172,788 |
| All North American Pro Sports Logos | 0 | - | 4.70 | 113,731 |
| Similar Country Flags - Multiple Choice Quiz | 0 | - | 4.94 | 50,175 |
| Three Real and One Fake - Country Flags | 0 | - | 4.97 | 83,469 |
| Name that Object #2 | 0 | - | 3.64 | 15,351 |
| Name that Object #3 | 0 | - | 3.93 | 14,324 |
| Pokémon by Picture | 0 | - | 4.40 | 72,782 |
| Pick a Picture - Animal Relations | 0 | - | 4.94 | 54,993 |
| Name that Historical Figure #1 | 0 | - | 4.63 | 336,086 |
| Name the Pixelated Landmark | 0 | - | 4.84 | 62,595 |
| Car Logos Quiz #1 | 0 | - | 4.44 | 534,092 |
| Pictures by Letter - E | 0 | - | 3.49 | 34,331 |
| Pictures by Letter - G | 0 | - | 4.14 | 27,975 |
| Pictures by Letter - L | 0 | - | 4.14 | 30,391 |
| Pictures by Letter - F | 0 | - | 4.17 | 28,868 |
| Pictures by Letter - Z | 0 | - | 4.05 | 23,340 |
| Pictures by Letter - Y | 0 | - | 4.22 | 26,152 |
| Pictures by Letter - R | 0 | - | 4.09 | 24,637 |
| Pictures by Letter - K | 0 | - | 4.18 | 24,974 |
| Pictures by Letter - I | 0 | - | 4.16 | 30,233 |
| Pictures by Letter - N | 0 | - | 4.11 | 24,368 |
| Pictures by Letter - P | 0 | - | 4.05 | 25,908 |
| Pictures by Letter - U | 0 | - | 4.10 | 20,668 |
| Pictures by Letter - T | 0 | - | 4.34 | 27,533 |
| Name that Bug | 0 | - | 4.12 | 45,480 |
| Islands by Shape #1 | 0 | - | 4.32 | 84,213 |
| 1970s Celebrities by Picture #1 | 0 | - | 4.20 | 57,701 |
| 1970s Celebrities by Picture #2 | 0 | - | 4.21 | 50,475 |
| Elements by Picture | 0 | - | 4.28 | 69,656 |
| Rocks and Minerals Picture Quiz | 0 | - | 4.48 | 29,204 |
| Islands by Picture | 0 | - | 4.29 | 106,171 |
| Classic Movies by Movie Posters | 0 | - | 4.45 | 24,120 |
| Animals by Skeleton Image | 0 | - | 4.80 | 46,110 |
| Famous Landmarks Out Of Focus #2 | 0 | - | 4.37 | 40,932 |
| Animals by Close-up Image | 0 | - | 4.42 | 217,150 |
| Aquatic Mammals by Picture | 0 | - | 4.41 | 45,355 |
| Extinct Animals by Picture | 0 | - | 4.49 | 35,002 |
| Mammals by Picture #1 | 0 | - | 4.70 | 91,303 |
| 1940s Celebrities by Picture | 0 | - | 4.43 | 47,831 |
| International Footballers by Picture | 0 | - | 4.50 | 54,954 |
| Name that Historical Figure #2 | 0 | - | 4.43 | 283,240 |
| Name that Historical Figure #5 | 0 | - | 4.43 | 106,961 |
| Name that Historical Figure #7 - U.S. Edition | 0 | - | 4.50 | 50,465 |
| Geography by Picture - A | 0 | - | 4.39 | 60,093 |
| Geography by Picture - D | 0 | - | 4.15 | 45,535 |
| Geography by Picture - F | 0 | - | 4.31 | 50,864 |
| Geography by Picture - G | 0 | - | 4.38 | 47,837 |
| Geography by Picture - J | 0 | - | 4.16 | 38,360 |
| Geography by Picture - K | 0 | - | 4.29 | 33,039 |
| Geography by Picture - C | 0 | - | 4.31 | 56,954 |
| Geography by Picture - L | 0 | - | 4.37 | 58,811 |
| Geography by Picture - M | 0 | - | 4.14 | 40,368 |
| Geography by Picture - P | 0 | - | 4.24 | 42,329 |
| Geography by Picture - S | 0 | - | 4.38 | 46,942 |
| Miscellaneous Flags Quiz | 0 | - | 4.42 | 278,917 |
| Flag Maths | 0 | - | 4.74 | 57,694 |
| Satellite Images #1 | 0 | - | 4.46 | 129,109 |
| Satellite Images Quiz #2 | 0 | - | 4.63 | 109,070 |
| Satellite Images Quiz #4 | 0 | - | 4.55 | 88,725 |
| Satellite Images Quiz #5 | 0 | - | 4.52 | 49,720 |
| Satellite Images Quiz #6 | 0 | - | 4.50 | 38,858 |
| Cities by Picture #1 | 0 | - | 4.73 | 85,530 |
| Soccer Team Logos | 0 | - | 4.26 | 371,784 |
| Ultimate Car Logos Quiz | 0 | - | 4.80 | 177,266 |
| Car Logos Quiz #2 | 0 | - | 4.43 | 260,004 |
| Video Game Logos Quiz | 0 | - | 4.40 | 182,993 |
| Movie Logos | 0 | - | 4.33 | 236,526 |
| Brand Logos That Start With M | 0 | - | 4.45 | 62,054 |
| Brand Logos That Start With B | 0 | - | 4.38 | 59,432 |
| Brand Logos That Start with A | 0 | - | 4.51 | 69,554 |
| History by Picture - A | 0 | - | 4.25 | 45,541 |
| History by Picture - B | 0 | - | 4.40 | 48,677 |
| History by Picture - C | 0 | - | 4.36 | 54,183 |
| History by Picture - F | 0 | - | 4.35 | 37,668 |
| History by Picture - G | 0 | - | 4.40 | 41,920 |
| History by Picture - D | 0 | - | 4.29 | 44,090 |
| History by Picture - E | 0 | - | 4.27 | 43,706 |
| History by Picture - H | 0 | - | 4.37 | 36,613 |
| History by Picture - K | 0 | - | 4.35 | 33,171 |
| History by Picture - M | 0 | - | 4.17 | 35,973 |
| History by Picture - N | 0 | - | 4.40 | 41,058 |
| History by Picture - O | 0 | - | 4.39 | 36,113 |
| History by Picture - T | 0 | - | 4.20 | 33,155 |
| Name that Nut, Seed, or Bean | 0 | - | 4.63 | 56,964 |
| Oscar Best Animated Films by Picture | 0 | - | 4.74 | 111,567 |
| 1980s Movie Silhouettes | 0 | - | 4.97 | 103,006 |
| Simpsons Characters by Picture | 0 | - | 4.42 | 21,666 |
| Country Flags Multiple Choice | 0 | - | 4.97 | 143,757 |
| Brand Logos Quiz #1 | 0 | - | 4.83 | 2,407,393 |
| Art Works Picture Quiz #1 | 0 | - | 4.51 | 118,626 |
| Art Works Picture Quiz #2 | 0 | - | 4.49 | 104,863 |
| Musical Instruments by Picture #1 | 0 | - | 4.52 | 268,187 |
| Foods by Picture | 0 | - | 3.81 | 225,650 |
| Flowers by Picture | 0 | - | 4.46 | 105,090 |
| Junk Foods by Picture | 0 | - | 3.69 | 96,116 |
| Art Works Picture Quiz #3 | 0 | - | 4.45 | 48,584 |
| Christmas by Picture | 0 | - | 4.25 | 28,118 |
| Hats by Picture | 0 | - | 4.21 | 17,916 |
| Weapons by Picture | 0 | - | 4.13 | 20,934 |
| Cars by Picture | 0 | - | 3.89 | 41,170 |
| Reptile Picture Quiz | 0 | - | 4.32 | 14,246 |
| Authors by Picture | 0 | - | 4.48 | 25,431 |
| Plants by Picture | 0 | - | 4.24 | 14,370 |
| Fruit and Vegetable Emojis | 0 | - | 4.43 | 79,685 |
| WWII Figures by Picture | 0 | - | 4.85 | 50,717 |
| College Sports Logos Quiz #3 | 0 | - | 4.30 | 55,286 |
| Planets By Picture Quiz | 0 | - | 4.49 | 56,352 |
| Songs by Picture Quiz #1 | 0 | - | 4.68 | 65,521 |
| Songs by Picture Quiz #2 | 0 | - | 4.42 | 58,544 |
| Fish by Picture #1 | 0 | - | 4.41 | 108,218 |
| Animals A-Z by Picture | 0 | - | 4.08 | 66,058 |
| Mammals by Picture #3 | 0 | - | 4.39 | 61,862 |
| Mammals by Picture #4 | 0 | - | 4.03 | 33,970 |
| Birds by Picture #1 | 0 | - | 4.47 | 41,267 |
| Mammals by Picture #2 | 0 | - | 4.28 | 57,976 |
| Oscar Nominated Actors by Picture #1 | 0 | - | 4.42 | 164,598 |
| 1960s Celebrities by Picture #1 | 0 | - | 4.27 | 70,117 |
| 1960s Celebrities by Picture #2 | 0 | - | 4.26 | 51,201 |
| 1950s Celebrities by Picture #1 | 0 | - | 4.24 | 50,983 |
| 1980s Celebrities by Picture #2 | 0 | - | 4.19 | 71,357 |
| 1990s Celebrities by Picture #1 | 0 | - | 4.13 | 79,107 |
| 1990s Celebrities by Picture #2 | 0 | - | 4.16 | 72,058 |
| 2000s Celebrities by Picture #2 | 0 | - | 4.15 | 94,775 |
| Women in History by Picture | 0 | - | 4.25 | 25,795 |
| 1950s Celebrities by Picture #2 | 0 | - | 4.29 | 45,977 |
| Famous Foreheads #2 | 0 | - | 3.17 | 15,694 |
| Name that Historical Figure #3 | 0 | - | 4.36 | 238,310 |
| Name that Historical Figure #4 | 0 | - | 4.29 | 158,380 |
| Name that Historical Figure #6 | 0 | - | 4.27 | 92,720 |
| Musicians by Picture #1 | 0 | - | 4.39 | 107,553 |
| Musicians by Picture #2 | 0 | - | 4.29 | 75,585 |
| Musicians by Picture #4 | 0 | - | 4.07 | 64,263 |
| Musicians by Picture #3 | 0 | - | 4.10 | 58,496 |
| Geography by Picture - E | 0 | - | 3.55 | 47,300 |
| Landforms by Picture | 0 | - | 4.31 | 20,598 |
| Geography by Picture - I | 0 | - | 4.00 | 39,341 |
| Emoji Flags | 0 | - | 4.35 | 43,877 |
| Fill the Map of Europe by Guessing Flag Colors | 0 | - | 4.64 | 37,554 |
| Languages by Combined Flags | 0 | - | 4.53 | 99,362 |
| Satellite Images Quiz #3 | 0 | - | 4.35 | 73,285 |
| Satellite Images - Island Chains | 0 | - | 4.43 | 65,909 |
| Islands by Satellite Image #1 | 0 | - | 4.70 | 70,262 |
| Peninsulas by Satellite Image | 0 | - | 4.53 | 27,703 |
| Landmarks Picture Quiz #1 | 0 | - | 4.16 | 393,380 |
| Airline Logos | 0 | - | 4.45 | 140,137 |
| Fast Food Logos Quiz | 0 | - | 4.44 | 247,298 |
| Mostly-American Candy Logos | 0 | - | 4.14 | 158,151 |
| Brand Logos That Start With S | 0 | - | 4.37 | 56,954 |
| Brand Logos That Start With D | 0 | - | 4.37 | 60,912 |
| Brand Logos That Start With L | 0 | - | 4.39 | 60,447 |
| Brand Logos That Start With C | 0 | - | 4.17 | 49,187 |
| Pictures by Letter - H | 0 | - | 3.97 | 30,334 |
| Pictures by Letter - C | 0 | - | 3.99 | 30,055 |
| Pictures by Letter - O | 0 | - | 3.98 | 28,562 |
| Pictures by Letter - Q | 0 | - | 3.92 | 20,321 |
| Pictures by Letter - S | 0 | - | 3.82 | 20,828 |
| Pictures by Letter - W | 0 | - | 3.92 | 20,035 |
| Pictures by Letter - V | 0 | - | 4.00 | 17,878 |
