| Former Countries by Territory Map | 0 | - | 4.96 | 103,140 |
| Empires by Maps | 0 | - | 4.98 | 120,996 |
| Merged Company Logos #1 | 0 | - | 4.90 | 106,820 |
| Islands by Shape #2 | 0 | - | 4.88 | 59,363 |
| Name that Object #1 | 0 | - | 3.57 | 96,537 |
| Visual Memory Test - Random Cartoons | 0 | - | 4.98 | 104,729 |
| Play-Doh People from History | 0 | - | 4.99 | 95,085 |
| Circular Cutouts from a World Map | 0 | - | 4.98 | 61,772 |
| All Country Flags of the World | 0 | - | 5.00 | 3,682,204 |
| Years in History by Picture | 0 | - | 4.44 | 35,622 |
| Famous Foreheads #1 | 0 | - | 4.47 | 75,109 |
| Country Flags Quiz #1 | 0 | - | 4.98 | 2,540,389 |
| Country Flags Quiz #2 | 0 | - | 4.99 | 1,094,465 |
| Country Flags Quiz #3 | 0 | - | 4.97 | 734,516 |
| Old Movies by Picture | 0 | - | 4.51 | 25,155 |
| Musical Instruments by Picture #2 | 0 | - | 4.24 | 47,141 |
| Name that Object #2 | 0 | - | 3.64 | 15,471 |
| Animals by Skeleton Image | 0 | - | 4.81 | 46,678 |
| Make a Stained Glass Window | 0 | - | 5.00 | 68,708 |
| Flags with Crescents | 0 | - | 4.98 | 170,183 |
| Country Flag Trivia | 0 | - | 4.81 | 57,402 |
| Country Flags with Eagles - Picture Quiz | 0 | - | 4.98 | 104,173 |
| Country Flags with the Union Jack | 0 | - | 4.87 | 77,846 |
| Pixelated Flag Quiz | 0 | - | 4.97 | 87,837 |
| Flag Emblems Scavenger Hunt | 0 | - | 5.00 | 67,514 |
| Flags by Horizontal Stripes #1 | 0 | - | 4.84 | 85,511 |
| Country Flags with the Sun - Picture Quiz | 0 | - | 4.83 | 53,079 |
| Random Logos Quiz | 0 | - | 4.33 | 208,818 |
| Ultimate Car Logos Quiz | 0 | - | 4.81 | 181,933 |
| National Football Team Logos | 0 | - | 4.85 | 180,889 |
| Pictures by Letter - A | 0 | - | 4.18 | 33,515 |
| Pictures by Letter - J | 0 | - | 4.31 | 40,144 |
| Pictures by Letter - B | 0 | - | 4.32 | 44,090 |
| Pictures by Letter - D | 0 | - | 4.14 | 37,686 |
| Pictures by Letter - M | 0 | - | 4.24 | 37,885 |
| Fruits by Picture | 0 | - | 4.19 | 808,055 |
| Geography by Picture - B | 0 | - | 4.42 | 55,680 |
| Geography by Picture - H | 0 | - | 4.50 | 58,285 |
| Geography by Picture - N | 0 | - | 4.45 | 42,256 |
| Geography by Picture - R | 0 | - | 4.56 | 41,076 |
| Geography by Picture - T | 0 | - | 4.54 | 57,906 |
| All North American Pro Sports Logos | 0 | - | 4.70 | 115,612 |
| Flags to Languages | 0 | - | 4.95 | 173,944 |
| Pictures by Letter - E | 0 | - | 3.51 | 34,558 |
| Pictures by Letter - G | 0 | - | 4.14 | 28,260 |
| Pictures by Letter - L | 0 | - | 4.14 | 30,649 |
| Pictures by Letter - F | 0 | - | 4.18 | 29,140 |
| Pictures by Letter - Z | 0 | - | 4.05 | 23,521 |
| Pictures by Letter - Y | 0 | - | 4.21 | 26,374 |
| Pictures by Letter - R | 0 | - | 4.05 | 24,841 |
| Pictures by Letter - K | 0 | - | 4.18 | 25,198 |
| Pictures by Letter - I | 0 | - | 4.16 | 30,464 |
| Pictures by Letter - N | 0 | - | 4.11 | 24,565 |
| Pictures by Letter - P | 0 | - | 4.05 | 26,122 |
| Pictures by Letter - U | 0 | - | 4.10 | 20,843 |
| Pictures by Letter - T | 0 | - | 4.34 | 27,758 |
| Similar Country Flags - Multiple Choice Quiz | 0 | - | 4.94 | 50,719 |
| Name that Historical Figure #1 | 0 | - | 4.63 | 338,203 |
| Car Logos Quiz #1 | 0 | - | 4.52 | 541,075 |
| Name that Bug | 0 | - | 4.12 | 45,590 |
| Islands by Shape #1 | 0 | - | 4.33 | 84,424 |
| 1970s Celebrities by Picture #1 | 0 | - | 4.20 | 58,062 |
| 1970s Celebrities by Picture #2 | 0 | - | 4.21 | 50,780 |
| Elements by Picture | 0 | - | 4.27 | 70,092 |
| Rocks and Minerals Picture Quiz | 0 | - | 4.48 | 29,393 |
| Islands by Picture | 0 | - | 4.28 | 107,280 |
| Classic Movies by Movie Posters | 0 | - | 4.45 | 24,315 |
| Geography by Picture - A | 0 | - | 4.39 | 60,330 |
| Geography by Picture - D | 0 | - | 4.15 | 45,712 |
| Geography by Picture - F | 0 | - | 4.31 | 51,076 |
| Geography by Picture - G | 0 | - | 4.39 | 48,005 |
| Geography by Picture - J | 0 | - | 4.16 | 38,517 |
| Geography by Picture - K | 0 | - | 4.29 | 33,178 |
| Geography by Picture - C | 0 | - | 4.31 | 57,133 |
| Geography by Picture - L | 0 | - | 4.37 | 59,048 |
| Geography by Picture - M | 0 | - | 4.14 | 40,510 |
| Geography by Picture - P | 0 | - | 4.24 | 42,485 |
| Geography by Picture - S | 0 | - | 4.38 | 47,092 |
| Video Game Logos Quiz | 0 | - | 4.40 | 184,407 |
| Movie Logos | 0 | - | 4.33 | 239,203 |
| History by Picture - A | 0 | - | 4.26 | 45,956 |
| History by Picture - B | 0 | - | 4.40 | 49,133 |
| History by Picture - C | 0 | - | 4.36 | 54,653 |
| History by Picture - F | 0 | - | 4.35 | 38,010 |
| History by Picture - G | 0 | - | 4.40 | 42,263 |
| History by Picture - D | 0 | - | 4.29 | 44,450 |
| History by Picture - E | 0 | - | 4.25 | 44,063 |
| History by Picture - H | 0 | - | 4.37 | 36,907 |
| History by Picture - K | 0 | - | 4.35 | 33,462 |
| History by Picture - M | 0 | - | 4.17 | 36,240 |
| History by Picture - N | 0 | - | 4.40 | 41,374 |
| History by Picture - O | 0 | - | 4.39 | 36,409 |
| History by Picture - T | 0 | - | 4.20 | 33,402 |
| Three Real and One Fake - Country Flags | 0 | - | 4.97 | 84,345 |
| Animals by Close-up Image | 0 | - | 4.42 | 218,592 |
| Aquatic Mammals by Picture | 0 | - | 4.41 | 45,793 |
| Extinct Animals by Picture | 0 | - | 4.49 | 35,343 |
| Mammals by Picture #1 | 0 | - | 4.70 | 92,043 |
| Pick a Picture - Animal Relations | 0 | - | 4.94 | 55,602 |
| 1940s Celebrities by Picture | 0 | - | 4.43 | 48,095 |
| International Footballers by Picture | 0 | - | 4.51 | 55,927 |
| Name that Historical Figure #2 | 0 | - | 4.42 | 285,120 |
| Name that Historical Figure #5 | 0 | - | 4.43 | 108,029 |
| Name that Historical Figure #7 - U.S. Edition | 0 | - | 4.51 | 50,967 |
| Miscellaneous Flags Quiz | 0 | - | 4.42 | 281,064 |
| Flag Maths | 0 | - | 4.64 | 57,793 |
| Satellite Images #1 | 0 | - | 4.47 | 129,493 |
| Satellite Images Quiz #2 | 0 | - | 4.63 | 109,408 |
| Satellite Images Quiz #4 | 0 | - | 4.55 | 88,995 |
| Satellite Images Quiz #5 | 0 | - | 4.52 | 50,018 |
| Satellite Images Quiz #6 | 0 | - | 4.50 | 39,047 |
| Name the Pixelated Landmark | 0 | - | 4.85 | 63,180 |
| Cities by Picture #1 | 0 | - | 4.73 | 86,198 |
| Soccer Team Logos | 0 | - | 4.26 | 375,733 |
| Car Logos Quiz #2 | 0 | - | 4.43 | 262,717 |
| Brand Logos That Start with A | 0 | - | 4.52 | 70,685 |
| Name that Nut, Seed, or Bean | 0 | - | 4.63 | 57,431 |
| Foods by Picture | 0 | - | 3.81 | 226,294 |
| Junk Foods by Picture | 0 | - | 3.69 | 96,501 |
| Christmas by Picture | 0 | - | 4.26 | 28,202 |
| Hats by Picture | 0 | - | 4.21 | 17,990 |
| Weapons by Picture | 0 | - | 4.13 | 21,105 |
| Cars by Picture | 0 | - | 3.89 | 41,626 |
| Reptile Picture Quiz | 0 | - | 4.32 | 14,321 |
| Plants by Picture | 0 | - | 4.24 | 14,481 |
| 1980s Movie Silhouettes | 0 | - | 4.97 | 104,136 |
| Women in History by Picture | 0 | - | 4.25 | 25,967 |
| Famous Foreheads #2 | 0 | - | 3.17 | 15,811 |
| Geography by Picture - E | 0 | - | 3.55 | 47,428 |
| Landforms by Picture | 0 | - | 4.31 | 20,701 |
| Geography by Picture - I | 0 | - | 4.00 | 39,471 |
| Geography by Picture - O | 0 | - | 4.01 | 28,179 |
| Country Flags Multiple Choice | 0 | - | 4.97 | 144,867 |
| Pictures by Letter - H | 0 | - | 3.97 | 30,557 |
| Pictures by Letter - C | 0 | - | 4.00 | 30,300 |
| Pictures by Letter - O | 0 | - | 3.98 | 28,752 |
| Pictures by Letter - Q | 0 | - | 3.92 | 20,496 |
| Pictures by Letter - S | 0 | - | 3.82 | 21,020 |
| Pictures by Letter - W | 0 | - | 3.87 | 20,202 |
| Pictures by Letter - V | 0 | - | 4.00 | 18,049 |
| History by Picture - I | 0 | - | 4.24 | 26,325 |
| History by Picture - J | 0 | - | 4.18 | 26,821 |
| History by Picture - L | 0 | - | 4.18 | 30,874 |
| History by Picture - P | 0 | - | 4.08 | 25,366 |
| History by Picture - Q | 0 | - | 4.03 | 22,157 |
| History by Picture - R | 0 | - | 4.13 | 26,934 |
| History by Picture - S | 0 | - | 4.14 | 27,863 |
| History by Picture - U | 0 | - | 4.24 | 25,215 |
| History by Picture - V | 0 | - | 4.30 | 25,190 |
| History by Picture - W | 0 | - | 4.01 | 21,713 |
| Art Works Picture Quiz #1 | 0 | - | 4.51 | 119,497 |
| Art Works Picture Quiz #2 | 0 | - | 4.49 | 105,567 |
| Musical Instruments by Picture #1 | 0 | - | 4.52 | 269,274 |
| Flowers by Picture | 0 | - | 4.46 | 105,734 |
| Art Works Picture Quiz #3 | 0 | - | 4.45 | 48,842 |
| Authors by Picture | 0 | - | 4.48 | 25,564 |
| Fruit and Vegetable Emojis | 0 | - | 4.45 | 90,382 |
| College Sports Logos Quiz #3 | 0 | - | 4.30 | 55,959 |
| Planets By Picture Quiz | 0 | - | 4.49 | 57,038 |
| Songs by Picture Quiz #1 | 0 | - | 4.68 | 66,197 |
| Songs by Picture Quiz #2 | 0 | - | 4.42 | 59,043 |
| Fish by Picture #1 | 0 | - | 4.41 | 108,648 |
| Animals A-Z by Picture | 0 | - | 4.08 | 66,619 |
| Mammals by Picture #3 | 0 | - | 4.39 | 62,288 |
| Mammals by Picture #4 | 0 | - | 4.03 | 34,210 |
| Birds by Picture #1 | 0 | - | 4.47 | 41,824 |
| Mammals by Picture #2 | 0 | - | 4.28 | 58,363 |
| Oscar Nominated Actors by Picture #1 | 0 | - | 4.42 | 165,374 |
| 1960s Celebrities by Picture #1 | 0 | - | 4.27 | 70,560 |
| 1960s Celebrities by Picture #2 | 0 | - | 4.26 | 51,526 |
| 1950s Celebrities by Picture #1 | 0 | - | 4.24 | 51,255 |
| 1980s Celebrities by Picture #2 | 0 | - | 4.19 | 71,872 |
| 1990s Celebrities by Picture #1 | 0 | - | 4.14 | 79,560 |
| 1990s Celebrities by Picture #2 | 0 | - | 4.16 | 72,587 |
| 2000s Celebrities by Picture #2 | 0 | - | 4.15 | 95,783 |
| 1950s Celebrities by Picture #2 | 0 | - | 4.29 | 46,240 |
| Name that Historical Figure #3 | 0 | - | 4.36 | 239,880 |
| Name that Historical Figure #4 | 0 | - | 4.29 | 159,510 |
| Name that Historical Figure #6 | 0 | - | 4.26 | 93,620 |
| Musicians by Picture #1 | 0 | - | 4.37 | 109,287 |
| Musicians by Picture #2 | 0 | - | 4.29 | 76,811 |
| Musicians by Picture #4 | 0 | - | 4.07 | 65,191 |
| Musicians by Picture #3 | 0 | - | 4.10 | 59,205 |
| Emoji Flags | 0 | - | 4.35 | 44,162 |
| Fill the Map of Europe by Guessing Flag Colors | 0 | - | 4.68 | 38,012 |
| Languages by Combined Flags | 0 | - | 4.53 | 100,242 |
| Satellite Images Quiz #3 | 0 | - | 4.35 | 73,456 |
| Satellite Images - Island Chains | 0 | - | 4.43 | 66,636 |
| Islands by Satellite Image #1 | 0 | - | 4.70 | 70,939 |
| Peninsulas by Satellite Image | 0 | - | 4.53 | 27,860 |
| Landmarks Picture Quiz #1 | 0 | - | 4.16 | 394,983 |
| Airline Logos | 0 | - | 4.45 | 141,027 |
| Brand Logos Quiz #1 | 0 | - | 4.83 | 2,429,186 |
| Fast Food Logos Quiz | 0 | - | 4.45 | 248,826 |
| Mostly-American Candy Logos | 0 | - | 4.14 | 159,408 |
| Brand Logos That Start With M | 0 | - | 4.40 | 63,123 |
| Brand Logos That Start With S | 0 | - | 4.37 | 57,912 |
| Brand Logos That Start With B | 0 | - | 4.38 | 60,274 |
| Brand Logos That Start With D | 0 | - | 4.35 | 61,820 |
| Brand Logos That Start With L | 0 | - | 4.39 | 61,454 |
