| Former Countries by Territory Map | 0 | - | 4.96 | 102,141 |
| Empires by Maps | 0 | - | 4.98 | 119,310 |
| Islands by Shape #2 | 0 | - | 4.88 | 59,100 |
| Visual Memory Test - Random Cartoons | 0 | - | 4.98 | 103,384 |
| Play-Doh People from History | 0 | - | 4.99 | 94,285 |
| Circular Cutouts from a World Map | 0 | - | 4.98 | 61,247 |
| All Country Flags of the World | 0 | - | 5.00 | 3,630,159 |
| Years in History by Picture | 0 | - | 4.44 | 35,311 |
| Famous Foreheads #1 | 0 | - | 4.47 | 74,512 |
| Country Flags Quiz #1 | 0 | - | 4.98 | 2,531,212 |
| Country Flags Quiz #2 | 0 | - | 4.98 | 1,089,776 |
| Country Flags Quiz #3 | 0 | - | 4.98 | 731,444 |
| Old Movies by Picture | 0 | - | 4.51 | 24,959 |
| Musical Instruments by Picture #2 | 0 | - | 4.24 | 46,829 |
| Name that Object #2 | 0 | - | 3.64 | 15,359 |
| Name that Object #3 | 0 | - | 3.93 | 14,331 |
| Make a Stained Glass Window | 0 | - | 5.00 | 68,130 |
| Flags with Crescents | 0 | - | 4.98 | 168,440 |
| Country Flag Trivia | 0 | - | 4.81 | 56,403 |
| Country Flags with Eagles - Picture Quiz | 0 | - | 4.98 | 102,981 |
| Country Flags with the Union Jack | 0 | - | 4.87 | 76,917 |
| Pixelated Flag Quiz | 0 | - | 4.98 | 86,533 |
| Flag Emblems Scavenger Hunt | 0 | - | 5.00 | 66,835 |
| Flags by Horizontal Stripes #1 | 0 | - | 4.84 | 84,711 |
| Country Flags with the Sun - Picture Quiz | 0 | - | 4.83 | 52,380 |
| Random Logos Quiz | 0 | - | 4.31 | 207,655 |
| National Football Team Logos | 0 | - | 4.85 | 179,495 |
| Pictures by Letter - A | 0 | - | 4.17 | 33,258 |
| Pictures by Letter - J | 0 | - | 4.31 | 39,864 |
| Pictures by Letter - B | 0 | - | 4.31 | 43,752 |
| Pictures by Letter - D | 0 | - | 4.13 | 37,433 |
| Pictures by Letter - M | 0 | - | 4.24 | 37,654 |
| Fruits by Picture | 0 | - | 4.20 | 805,891 |
| Geography by Picture - B | 0 | - | 4.42 | 55,500 |
| Geography by Picture - H | 0 | - | 4.50 | 58,116 |
| Geography by Picture - N | 0 | - | 4.45 | 42,114 |
| Geography by Picture - R | 0 | - | 4.56 | 40,937 |
| Geography by Picture - T | 0 | - | 4.54 | 57,751 |
| All North American Pro Sports Logos | 0 | - | 4.70 | 114,142 |
| Flags to Languages | 0 | - | 4.95 | 173,012 |
| Pictures by Letter - E | 0 | - | 3.49 | 34,369 |
| Pictures by Letter - G | 0 | - | 4.14 | 28,028 |
| Pictures by Letter - L | 0 | - | 4.14 | 30,436 |
| Pictures by Letter - F | 0 | - | 4.17 | 28,915 |
| Pictures by Letter - Z | 0 | - | 4.05 | 23,370 |
| Pictures by Letter - Y | 0 | - | 4.22 | 26,190 |
| Pictures by Letter - R | 0 | - | 4.05 | 24,671 |
| Pictures by Letter - K | 0 | - | 4.18 | 25,019 |
| Pictures by Letter - I | 0 | - | 4.16 | 30,281 |
| Pictures by Letter - N | 0 | - | 4.11 | 24,403 |
| Pictures by Letter - P | 0 | - | 4.05 | 25,949 |
| Pictures by Letter - U | 0 | - | 4.10 | 20,703 |
| Pictures by Letter - T | 0 | - | 4.34 | 27,579 |
| Similar Country Flags - Multiple Choice Quiz | 0 | - | 4.94 | 50,200 |
| Name that Historical Figure #1 | 0 | - | 4.63 | 336,511 |
| Car Logos Quiz #1 | 0 | - | 4.44 | 535,432 |
| Name that Bug | 0 | - | 4.12 | 45,499 |
| Islands by Shape #1 | 0 | - | 4.32 | 84,251 |
| 1970s Celebrities by Picture #1 | 0 | - | 4.20 | 57,773 |
| 1970s Celebrities by Picture #2 | 0 | - | 4.21 | 50,534 |
| Elements by Picture | 0 | - | 4.27 | 69,738 |
| Rocks and Minerals Picture Quiz | 0 | - | 4.48 | 29,231 |
| Islands by Picture | 0 | - | 4.29 | 106,385 |
| Classic Movies by Movie Posters | 0 | - | 4.45 | 24,166 |
| Geography by Picture - A | 0 | - | 4.39 | 60,130 |
| Geography by Picture - D | 0 | - | 4.15 | 45,558 |
| Geography by Picture - F | 0 | - | 4.31 | 50,893 |
| Geography by Picture - G | 0 | - | 4.38 | 47,865 |
| Geography by Picture - J | 0 | - | 4.16 | 38,385 |
| Geography by Picture - K | 0 | - | 4.29 | 33,060 |
| Geography by Picture - C | 0 | - | 4.31 | 56,987 |
| Geography by Picture - L | 0 | - | 4.37 | 58,849 |
| Geography by Picture - M | 0 | - | 4.14 | 40,387 |
| Geography by Picture - P | 0 | - | 4.24 | 42,357 |
| Geography by Picture - S | 0 | - | 4.38 | 46,968 |
| Video Game Logos Quiz | 0 | - | 4.40 | 183,257 |
| Movie Logos | 0 | - | 4.33 | 237,055 |
| History by Picture - A | 0 | - | 4.25 | 45,643 |
| History by Picture - B | 0 | - | 4.40 | 48,786 |
| History by Picture - C | 0 | - | 4.36 | 54,298 |
| History by Picture - F | 0 | - | 4.35 | 37,759 |
| History by Picture - G | 0 | - | 4.40 | 42,014 |
| History by Picture - D | 0 | - | 4.29 | 44,176 |
| History by Picture - E | 0 | - | 4.27 | 43,794 |
| History by Picture - H | 0 | - | 4.37 | 36,683 |
| History by Picture - K | 0 | - | 4.35 | 33,240 |
| History by Picture - M | 0 | - | 4.17 | 36,036 |
| History by Picture - N | 0 | - | 4.40 | 41,136 |
| History by Picture - O | 0 | - | 4.39 | 36,194 |
| History by Picture - T | 0 | - | 4.20 | 33,213 |
| Three Real and One Fake - Country Flags | 0 | - | 4.97 | 83,616 |
| Animals by Skeleton Image | 0 | - | 4.80 | 46,187 |
| Animals by Close-up Image | 0 | - | 4.42 | 217,333 |
| Aquatic Mammals by Picture | 0 | - | 4.41 | 45,432 |
| Extinct Animals by Picture | 0 | - | 4.49 | 35,065 |
| Mammals by Picture #1 | 0 | - | 4.70 | 91,439 |
| Pick a Picture - Animal Relations | 0 | - | 4.94 | 55,105 |
| 1940s Celebrities by Picture | 0 | - | 4.43 | 47,881 |
| International Footballers by Picture | 0 | - | 4.50 | 55,145 |
| Name that Historical Figure #2 | 0 | - | 4.41 | 283,643 |
| Name that Historical Figure #5 | 0 | - | 4.43 | 107,155 |
| Name that Historical Figure #7 - U.S. Edition | 0 | - | 4.50 | 50,570 |
| Miscellaneous Flags Quiz | 0 | - | 4.42 | 279,346 |
| Flag Maths | 0 | - | 4.64 | 57,706 |
| Satellite Images #1 | 0 | - | 4.46 | 129,173 |
| Satellite Images Quiz #2 | 0 | - | 4.63 | 109,133 |
| Satellite Images Quiz #4 | 0 | - | 4.55 | 88,775 |
| Satellite Images Quiz #5 | 0 | - | 4.52 | 49,774 |
| Satellite Images Quiz #6 | 0 | - | 4.50 | 38,884 |
| Name the Pixelated Landmark | 0 | - | 4.84 | 62,702 |
| Cities by Picture #1 | 0 | - | 4.73 | 85,648 |
| Soccer Team Logos | 0 | - | 4.26 | 372,515 |
| Ultimate Car Logos Quiz | 0 | - | 4.80 | 178,141 |
| Car Logos Quiz #2 | 0 | - | 4.43 | 260,536 |
| Brand Logos That Start With M | 0 | - | 4.45 | 62,210 |
| Brand Logos That Start with A | 0 | - | 4.52 | 69,756 |
| Name that Nut, Seed, or Bean | 0 | - | 4.63 | 57,039 |
| Foods by Picture | 0 | - | 3.81 | 225,758 |
| Junk Foods by Picture | 0 | - | 3.69 | 96,173 |
| Christmas by Picture | 0 | - | 4.25 | 28,129 |
| Hats by Picture | 0 | - | 4.21 | 17,928 |
| Weapons by Picture | 0 | - | 4.13 | 20,976 |
| Cars by Picture | 0 | - | 3.89 | 41,262 |
| Reptile Picture Quiz | 0 | - | 4.32 | 14,261 |
| Plants by Picture | 0 | - | 4.24 | 14,385 |
| 1980s Movie Silhouettes | 0 | - | 4.97 | 103,210 |
| Women in History by Picture | 0 | - | 4.25 | 25,828 |
| Famous Foreheads #2 | 0 | - | 3.17 | 15,710 |
| Geography by Picture - E | 0 | - | 3.55 | 47,320 |
| Landforms by Picture | 0 | - | 4.31 | 20,616 |
| Geography by Picture - I | 0 | - | 4.00 | 39,355 |
| Country Flags Multiple Choice | 0 | - | 4.97 | 143,983 |
| Pictures by Letter - H | 0 | - | 3.97 | 30,376 |
| Pictures by Letter - C | 0 | - | 3.99 | 30,094 |
| Pictures by Letter - O | 0 | - | 3.98 | 28,595 |
| Pictures by Letter - Q | 0 | - | 3.92 | 20,353 |
| Pictures by Letter - S | 0 | - | 3.82 | 20,861 |
| Pictures by Letter - W | 0 | - | 3.92 | 20,063 |
| Pictures by Letter - V | 0 | - | 4.00 | 17,907 |
| History by Picture - I | 0 | - | 4.26 | 26,128 |
| History by Picture - J | 0 | - | 4.18 | 26,642 |
| History by Picture - L | 0 | - | 4.18 | 30,672 |
| History by Picture - P | 0 | - | 4.08 | 25,215 |
| History by Picture - Q | 0 | - | 4.03 | 22,004 |
| History by Picture - R | 0 | - | 4.13 | 26,756 |
| History by Picture - S | 0 | - | 4.14 | 27,697 |
| History by Picture - U | 0 | - | 4.24 | 25,031 |
| History by Picture - V | 0 | - | 4.30 | 25,007 |
| History by Picture - W | 0 | - | 4.01 | 21,567 |
| Art Works Picture Quiz #1 | 0 | - | 4.51 | 118,749 |
| Art Works Picture Quiz #2 | 0 | - | 4.49 | 104,996 |
| Musical Instruments by Picture #1 | 0 | - | 4.52 | 268,395 |
| Flowers by Picture | 0 | - | 4.46 | 105,132 |
| Art Works Picture Quiz #3 | 0 | - | 4.45 | 48,628 |
| Authors by Picture | 0 | - | 4.48 | 25,466 |
| Fruit and Vegetable Emojis | 0 | - | 4.42 | 79,831 |
| College Sports Logos Quiz #3 | 0 | - | 4.30 | 55,406 |
| Planets By Picture Quiz | 0 | - | 4.49 | 56,471 |
| Songs by Picture Quiz #1 | 0 | - | 4.68 | 65,637 |
| Songs by Picture Quiz #2 | 0 | - | 4.42 | 58,638 |
| Fish by Picture #1 | 0 | - | 4.41 | 108,301 |
| Animals A-Z by Picture | 0 | - | 4.08 | 66,165 |
| Mammals by Picture #3 | 0 | - | 4.39 | 61,934 |
| Mammals by Picture #4 | 0 | - | 4.03 | 34,026 |
| Birds by Picture #1 | 0 | - | 4.47 | 41,365 |
| Mammals by Picture #2 | 0 | - | 4.28 | 58,050 |
| Oscar Nominated Actors by Picture #1 | 0 | - | 4.42 | 164,872 |
| 1960s Celebrities by Picture #1 | 0 | - | 4.27 | 70,209 |
| 1960s Celebrities by Picture #2 | 0 | - | 4.26 | 51,263 |
| 1950s Celebrities by Picture #1 | 0 | - | 4.24 | 51,034 |
| 1980s Celebrities by Picture #2 | 0 | - | 4.19 | 71,461 |
| 1990s Celebrities by Picture #1 | 0 | - | 4.13 | 79,183 |
| 1990s Celebrities by Picture #2 | 0 | - | 4.16 | 72,139 |
| 2000s Celebrities by Picture #2 | 0 | - | 4.15 | 94,902 |
| 1950s Celebrities by Picture #2 | 0 | - | 4.29 | 46,027 |
| Name that Historical Figure #3 | 0 | - | 4.36 | 238,621 |
| Name that Historical Figure #4 | 0 | - | 4.29 | 158,599 |
| Name that Historical Figure #6 | 0 | - | 4.26 | 92,897 |
| Musicians by Picture #1 | 0 | - | 4.39 | 107,889 |
| Musicians by Picture #2 | 0 | - | 4.29 | 75,811 |
| Musicians by Picture #4 | 0 | - | 4.07 | 64,431 |
| Musicians by Picture #3 | 0 | - | 4.10 | 58,622 |
| Emoji Flags | 0 | - | 4.35 | 43,926 |
| Fill the Map of Europe by Guessing Flag Colors | 0 | - | 4.67 | 37,651 |
| Languages by Combined Flags | 0 | - | 4.53 | 99,534 |
| Satellite Images Quiz #3 | 0 | - | 4.35 | 73,311 |
| Satellite Images - Island Chains | 0 | - | 4.43 | 66,054 |
| Islands by Satellite Image #1 | 0 | - | 4.70 | 70,386 |
| Peninsulas by Satellite Image | 0 | - | 4.53 | 27,725 |
| Landmarks Picture Quiz #1 | 0 | - | 4.16 | 393,712 |
| Airline Logos | 0 | - | 4.45 | 140,290 |
| Brand Logos Quiz #1 | 0 | - | 4.82 | 2,411,256 |
| Fast Food Logos Quiz | 0 | - | 4.44 | 247,562 |
| Mostly-American Candy Logos | 0 | - | 4.14 | 158,372 |
| Brand Logos That Start With S | 0 | - | 4.37 | 57,135 |
| Brand Logos That Start With B | 0 | - | 4.38 | 59,602 |
| Brand Logos That Start With D | 0 | - | 4.37 | 61,104 |
| Brand Logos That Start With L | 0 | - | 4.39 | 60,639 |
| Brand Logos That Start With C | 0 | - | 4.17 | 49,313 |
| Vegetables by Picture | 0 | - | 4.39 | 63,100 |
