| Former Countries by Territory Map | 0 | - | 4.96 | 103,255 |
| Empires by Maps | 0 | - | 4.98 | 121,137 |
| Islands by Shape #2 | 0 | - | 4.88 | 59,383 |
| Name that Object #1 | 0 | - | 3.57 | 96,549 |
| Visual Memory Test - Random Cartoons | 0 | - | 4.98 | 104,836 |
| Play-Doh People from History | 0 | - | 4.99 | 95,156 |
| Circular Cutouts from a World Map | 0 | - | 4.98 | 61,821 |
| All Country Flags of the World | 0 | - | 5.00 | 3,687,222 |
| Years in History by Picture | 0 | - | 4.44 | 35,649 |
| Famous Foreheads #1 | 0 | - | 4.47 | 75,147 |
| Country Flags Quiz #1 | 0 | - | 4.98 | 2,541,320 |
| Country Flags Quiz #2 | 0 | - | 4.99 | 1,094,878 |
| Country Flags Quiz #3 | 0 | - | 4.97 | 734,803 |
| Old Movies by Picture | 0 | - | 4.51 | 25,162 |
| Musical Instruments by Picture #2 | 0 | - | 4.24 | 47,172 |
| Name that Object #2 | 0 | - | 3.64 | 15,475 |
| Name that Object #3 | 0 | - | 3.93 | 14,430 |
| Animals by Skeleton Image | 0 | - | 4.81 | 46,721 |
| Make a Stained Glass Window | 0 | - | 5.00 | 68,774 |
| Flags with Crescents | 0 | - | 4.98 | 170,511 |
| Country Flag Trivia | 0 | - | 4.81 | 57,515 |
| Country Flags with Eagles - Picture Quiz | 0 | - | 4.98 | 104,300 |
| Country Flags with the Union Jack | 0 | - | 4.87 | 77,930 |
| Pixelated Flag Quiz | 0 | - | 4.97 | 87,952 |
| Flag Emblems Scavenger Hunt | 0 | - | 5.00 | 67,568 |
| Flags by Horizontal Stripes #1 | 0 | - | 4.84 | 85,590 |
| Country Flags with the Sun - Picture Quiz | 0 | - | 4.83 | 53,146 |
| Random Logos Quiz | 0 | - | 4.33 | 208,916 |
| Ultimate Car Logos Quiz | 0 | - | 4.81 | 182,259 |
| National Football Team Logos | 0 | - | 4.85 | 181,013 |
| Pictures by Letter - A | 0 | - | 4.18 | 33,529 |
| Pictures by Letter - J | 0 | - | 4.31 | 40,158 |
| Pictures by Letter - B | 0 | - | 4.32 | 44,112 |
| Pictures by Letter - D | 0 | - | 4.14 | 37,703 |
| Pictures by Letter - M | 0 | - | 4.24 | 37,898 |
| Fruits by Picture | 0 | - | 4.19 | 808,255 |
| Geography by Picture - B | 0 | - | 4.42 | 55,696 |
| Geography by Picture - H | 0 | - | 4.50 | 58,300 |
| Geography by Picture - N | 0 | - | 4.45 | 42,269 |
| Geography by Picture - R | 0 | - | 4.56 | 41,085 |
| Geography by Picture - T | 0 | - | 4.54 | 57,917 |
| All North American Pro Sports Logos | 0 | - | 4.70 | 115,737 |
| Flags to Languages | 0 | - | 4.95 | 174,034 |
| Pictures by Letter - E | 0 | - | 3.51 | 34,569 |
| Pictures by Letter - G | 0 | - | 4.14 | 28,272 |
| Pictures by Letter - L | 0 | - | 4.14 | 30,664 |
| Pictures by Letter - F | 0 | - | 4.18 | 29,155 |
| Pictures by Letter - Z | 0 | - | 4.05 | 23,531 |
| Pictures by Letter - Y | 0 | - | 4.21 | 26,385 |
| Pictures by Letter - R | 0 | - | 4.05 | 24,854 |
| Pictures by Letter - K | 0 | - | 4.18 | 25,213 |
| Pictures by Letter - I | 0 | - | 4.16 | 30,479 |
| Pictures by Letter - N | 0 | - | 4.11 | 24,576 |
| Pictures by Letter - P | 0 | - | 4.05 | 26,133 |
| Pictures by Letter - U | 0 | - | 4.10 | 20,853 |
| Pictures by Letter - T | 0 | - | 4.34 | 27,769 |
| Similar Country Flags - Multiple Choice Quiz | 0 | - | 4.94 | 50,769 |
| Name that Historical Figure #1 | 0 | - | 4.63 | 338,373 |
| Car Logos Quiz #1 | 0 | - | 4.52 | 541,584 |
| Name that Bug | 0 | - | 4.12 | 45,597 |
| Islands by Shape #1 | 0 | - | 4.33 | 84,437 |
| 1970s Celebrities by Picture #1 | 0 | - | 4.20 | 58,088 |
| 1970s Celebrities by Picture #2 | 0 | - | 4.21 | 50,803 |
| Elements by Picture | 0 | - | 4.27 | 70,125 |
| Rocks and Minerals Picture Quiz | 0 | - | 4.48 | 29,399 |
| Islands by Picture | 0 | - | 4.28 | 107,359 |
| Classic Movies by Movie Posters | 0 | - | 4.45 | 24,361 |
| Geography by Picture - A | 0 | - | 4.39 | 60,342 |
| Geography by Picture - D | 0 | - | 4.15 | 45,722 |
| Geography by Picture - F | 0 | - | 4.31 | 51,093 |
| Geography by Picture - G | 0 | - | 4.39 | 48,021 |
| Geography by Picture - J | 0 | - | 4.16 | 38,527 |
| Geography by Picture - K | 0 | - | 4.29 | 33,186 |
| Geography by Picture - C | 0 | - | 4.31 | 57,150 |
| Geography by Picture - L | 0 | - | 4.37 | 59,063 |
| Geography by Picture - M | 0 | - | 4.14 | 40,520 |
| Geography by Picture - P | 0 | - | 4.24 | 42,500 |
| Geography by Picture - S | 0 | - | 4.38 | 47,109 |
| Video Game Logos Quiz | 0 | - | 4.40 | 184,490 |
| Movie Logos | 0 | - | 4.33 | 239,392 |
| History by Picture - A | 0 | - | 4.26 | 45,987 |
| History by Picture - B | 0 | - | 4.40 | 49,170 |
| History by Picture - C | 0 | - | 4.36 | 54,695 |
| History by Picture - F | 0 | - | 4.35 | 38,048 |
| History by Picture - G | 0 | - | 4.40 | 42,290 |
| History by Picture - D | 0 | - | 4.29 | 44,489 |
| History by Picture - E | 0 | - | 4.25 | 44,091 |
| History by Picture - H | 0 | - | 4.37 | 36,934 |
| History by Picture - K | 0 | - | 4.35 | 33,490 |
| History by Picture - M | 0 | - | 4.17 | 36,262 |
| History by Picture - N | 0 | - | 4.40 | 41,399 |
| History by Picture - O | 0 | - | 4.39 | 36,436 |
| History by Picture - T | 0 | - | 4.20 | 33,426 |
| Three Real and One Fake - Country Flags | 0 | - | 4.97 | 84,411 |
| Animals by Close-up Image | 0 | - | 4.42 | 218,671 |
| Aquatic Mammals by Picture | 0 | - | 4.41 | 45,831 |
| Extinct Animals by Picture | 0 | - | 4.49 | 35,366 |
| Mammals by Picture #1 | 0 | - | 4.70 | 92,102 |
| Pick a Picture - Animal Relations | 0 | - | 4.94 | 55,641 |
| 1940s Celebrities by Picture | 0 | - | 4.43 | 48,113 |
| International Footballers by Picture | 0 | - | 4.51 | 56,000 |
| Name that Historical Figure #2 | 0 | - | 4.42 | 285,263 |
| Name that Historical Figure #5 | 0 | - | 4.43 | 108,109 |
| Name that Historical Figure #7 - U.S. Edition | 0 | - | 4.51 | 51,001 |
| Miscellaneous Flags Quiz | 0 | - | 4.42 | 281,226 |
| Flag Maths | 0 | - | 4.64 | 57,801 |
| Satellite Images #1 | 0 | - | 4.47 | 129,518 |
| Satellite Images Quiz #2 | 0 | - | 4.63 | 109,434 |
| Satellite Images Quiz #4 | 0 | - | 4.55 | 89,018 |
| Satellite Images Quiz #5 | 0 | - | 4.52 | 50,041 |
| Satellite Images Quiz #6 | 0 | - | 4.50 | 39,058 |
| Name the Pixelated Landmark | 0 | - | 4.85 | 63,224 |
| Cities by Picture #1 | 0 | - | 4.73 | 86,252 |
| Soccer Team Logos | 0 | - | 4.26 | 376,006 |
| Car Logos Quiz #2 | 0 | - | 4.43 | 262,915 |
| Brand Logos That Start with A | 0 | - | 4.52 | 70,754 |
| Name that Nut, Seed, or Bean | 0 | - | 4.57 | 57,473 |
| Foods by Picture | 0 | - | 3.81 | 226,337 |
| Junk Foods by Picture | 0 | - | 3.69 | 96,533 |
| Christmas by Picture | 0 | - | 4.26 | 28,207 |
| Hats by Picture | 0 | - | 4.21 | 17,996 |
| Weapons by Picture | 0 | - | 4.13 | 21,120 |
| Cars by Picture | 0 | - | 3.89 | 41,650 |
| Reptile Picture Quiz | 0 | - | 4.32 | 14,331 |
| Plants by Picture | 0 | - | 4.24 | 14,487 |
| 1980s Movie Silhouettes | 0 | - | 4.97 | 104,224 |
| Women in History by Picture | 0 | - | 4.25 | 25,973 |
| Famous Foreheads #2 | 0 | - | 3.17 | 15,816 |
| Geography by Picture - E | 0 | - | 3.55 | 47,442 |
| Landforms by Picture | 0 | - | 4.31 | 20,713 |
| Geography by Picture - I | 0 | - | 4.00 | 39,482 |
| Geography by Picture - O | 0 | - | 4.01 | 28,187 |
| Country Flags Multiple Choice | 0 | - | 4.97 | 144,959 |
| Pictures by Letter - H | 0 | - | 3.97 | 30,569 |
| Pictures by Letter - C | 0 | - | 4.00 | 30,307 |
| Pictures by Letter - O | 0 | - | 3.98 | 28,762 |
| Pictures by Letter - Q | 0 | - | 3.92 | 20,510 |
| Pictures by Letter - S | 0 | - | 3.82 | 21,029 |
| Pictures by Letter - W | 0 | - | 3.87 | 20,212 |
| Pictures by Letter - V | 0 | - | 4.00 | 18,053 |
| History by Picture - I | 0 | - | 4.24 | 26,346 |
| History by Picture - J | 0 | - | 4.18 | 26,842 |
| History by Picture - L | 0 | - | 4.18 | 30,898 |
| History by Picture - P | 0 | - | 4.08 | 25,386 |
| History by Picture - Q | 0 | - | 4.03 | 22,178 |
| History by Picture - R | 0 | - | 4.13 | 26,955 |
| History by Picture - S | 0 | - | 4.14 | 27,885 |
| History by Picture - U | 0 | - | 4.25 | 25,236 |
| History by Picture - V | 0 | - | 4.31 | 25,215 |
| History by Picture - W | 0 | - | 4.01 | 21,731 |
| Art Works Picture Quiz #1 | 0 | - | 4.51 | 119,556 |
| Art Works Picture Quiz #2 | 0 | - | 4.49 | 105,622 |
| Musical Instruments by Picture #1 | 0 | - | 4.52 | 269,365 |
| Flowers by Picture | 0 | - | 4.46 | 105,756 |
| Art Works Picture Quiz #3 | 0 | - | 4.45 | 48,869 |
| Authors by Picture | 0 | - | 4.48 | 25,584 |
| Fruit and Vegetable Emojis | 0 | - | 4.45 | 90,469 |
| College Sports Logos Quiz #3 | 0 | - | 4.30 | 55,981 |
| Planets By Picture Quiz | 0 | - | 4.49 | 57,096 |
| Songs by Picture Quiz #1 | 0 | - | 4.68 | 66,248 |
| Songs by Picture Quiz #2 | 0 | - | 4.42 | 59,083 |
| Fish by Picture #1 | 0 | - | 4.41 | 108,679 |
| Animals A-Z by Picture | 0 | - | 4.08 | 66,664 |
| Mammals by Picture #3 | 0 | - | 4.39 | 62,323 |
| Mammals by Picture #4 | 0 | - | 4.03 | 34,220 |
| Birds by Picture #1 | 0 | - | 4.47 | 41,862 |
| Mammals by Picture #2 | 0 | - | 4.28 | 58,385 |
| Oscar Nominated Actors by Picture #1 | 0 | - | 4.42 | 165,412 |
| 1960s Celebrities by Picture #1 | 0 | - | 4.27 | 70,597 |
| 1960s Celebrities by Picture #2 | 0 | - | 4.26 | 51,551 |
| 1950s Celebrities by Picture #1 | 0 | - | 4.24 | 51,274 |
| 1980s Celebrities by Picture #2 | 0 | - | 4.19 | 71,912 |
| 1990s Celebrities by Picture #1 | 0 | - | 4.14 | 79,597 |
| 1990s Celebrities by Picture #2 | 0 | - | 4.16 | 72,634 |
| 2000s Celebrities by Picture #2 | 0 | - | 4.15 | 95,835 |
| 1950s Celebrities by Picture #2 | 0 | - | 4.29 | 46,256 |
| Name that Historical Figure #3 | 0 | - | 4.36 | 240,003 |
| Name that Historical Figure #4 | 0 | - | 4.29 | 159,598 |
| Name that Historical Figure #6 | 0 | - | 4.26 | 93,685 |
| Musicians by Picture #1 | 0 | - | 4.37 | 109,437 |
| Musicians by Picture #2 | 0 | - | 4.29 | 76,931 |
| Musicians by Picture #4 | 0 | - | 4.07 | 65,285 |
| Musicians by Picture #3 | 0 | - | 4.10 | 59,289 |
| Emoji Flags | 0 | - | 4.35 | 44,181 |
| Fill the Map of Europe by Guessing Flag Colors | 0 | - | 4.68 | 38,051 |
| Languages by Combined Flags | 0 | - | 4.53 | 100,301 |
| Satellite Images Quiz #3 | 0 | - | 4.35 | 73,468 |
| Satellite Images - Island Chains | 0 | - | 4.43 | 66,694 |
| Islands by Satellite Image #1 | 0 | - | 4.70 | 70,997 |
| Peninsulas by Satellite Image | 0 | - | 4.53 | 27,871 |
| Landmarks Picture Quiz #1 | 0 | - | 4.16 | 395,106 |
| Airline Logos | 0 | - | 4.45 | 141,100 |
| Brand Logos Quiz #1 | 0 | - | 4.83 | 2,430,548 |
| Fast Food Logos Quiz | 0 | - | 4.45 | 248,940 |
| Mostly-American Candy Logos | 0 | - | 4.14 | 159,484 |
| Brand Logos That Start With M | 0 | - | 4.40 | 63,177 |
| Brand Logos That Start With S | 0 | - | 4.37 | 57,965 |
| Brand Logos That Start With B | 0 | - | 4.38 | 60,322 |
| Brand Logos That Start With D | 0 | - | 4.36 | 61,868 |
| Brand Logos That Start With L | 0 | - | 4.39 | 61,531 |
