| Former Countries by Territory Map | 0 | - | 4.96 | 101,955 |
| Empires by Maps | 0 | - | 4.98 | 119,043 |
| Elements by Picture | 0 | - | 4.28 | 69,678 |
| Rocks and Minerals Picture Quiz | 0 | - | 4.48 | 29,211 |
| Animals by Skeleton Image | 0 | - | 4.80 | 46,123 |
| Islands by Shape #2 | 0 | - | 4.88 | 59,076 |
| Planets By Picture Quiz | 0 | - | 4.49 | 56,381 |
| Visual Memory Test - Random Cartoons | 0 | - | 4.98 | 103,185 |
| Play-Doh People from History | 0 | - | 4.99 | 94,147 |
| Circular Cutouts from a World Map | 0 | - | 4.98 | 61,189 |
| All Country Flags of the World | 0 | - | 5.00 | 3,620,445 |
| Metals of Antiquity | 0 | - | 4.94 | 93,072 |
| Years in History by Picture | 0 | - | 4.44 | 35,235 |
| Famous Foreheads #1 | 0 | - | 4.47 | 74,424 |
| Country Flags Quiz #1 | 0 | - | 4.98 | 2,529,669 |
| Country Flags Quiz #2 | 0 | - | 4.98 | 1,088,976 |
| Country Flags Quiz #3 | 0 | - | 4.98 | 730,806 |
| Name that Object #1 | 0 | - | 3.56 | 96,347 |
| Make a Stained Glass Window | 0 | - | 5.00 | 68,034 |
| Flags with Crescents | 0 | - | 4.98 | 168,089 |
| Country Flag Trivia | 0 | - | 4.81 | 56,209 |
| Country Flags with Eagles - Picture Quiz | 0 | - | 4.98 | 102,765 |
| Country Flags with the Union Jack | 0 | - | 4.87 | 76,731 |
| Pixelated Flag Quiz | 0 | - | 4.98 | 86,298 |
| Flag Emblems Scavenger Hunt | 0 | - | 5.00 | 66,695 |
| Flags by Horizontal Stripes #1 | 0 | - | 4.84 | 84,602 |
| Country Flags with the Sun - Picture Quiz | 0 | - | 4.83 | 52,263 |
| National Football Team Logos | 0 | - | 4.85 | 179,271 |
| Countries with the Highest Carbon Dioxide Emissions | 0 | - | 4.97 | 109,581 |
| Old Movies by Picture | 0 | - | 4.51 | 24,912 |
| Musical Instruments by Picture #2 | 0 | - | 4.24 | 46,780 |
| Random Logos Quiz | 0 | - | 4.31 | 207,452 |
| Pictures by Letter - A | 0 | - | 4.17 | 33,217 |
| Pictures by Letter - J | 0 | - | 4.31 | 39,820 |
| Pictures by Letter - B | 0 | - | 4.31 | 43,706 |
| Pictures by Letter - D | 0 | - | 4.16 | 37,393 |
| Pictures by Letter - M | 0 | - | 4.24 | 37,607 |
| Fruits by Picture | 0 | - | 4.20 | 805,478 |
| Geography by Picture - B | 0 | - | 4.42 | 55,474 |
| Geography by Picture - H | 0 | - | 4.50 | 58,093 |
| Geography by Picture - N | 0 | - | 4.45 | 42,088 |
| Geography by Picture - R | 0 | - | 4.56 | 40,918 |
| Geography by Picture - T | 0 | - | 4.54 | 57,725 |
| Flags to Languages | 0 | - | 4.95 | 172,848 |
| All North American Pro Sports Logos | 0 | - | 4.70 | 113,841 |
| Similar Country Flags - Multiple Choice Quiz | 0 | - | 4.94 | 50,177 |
| Body Parts in History and Culture | 0 | - | 4.42 | 35,185 |
| Countries Reducing Carbon Dioxide Emissions the Most | 0 | - | 4.89 | 64,360 |
| Countries with the Most Forest | 0 | - | 4.87 | 146,800 |
| Countries with Glaciers | 0 | - | 4.97 | 104,787 |
| Three Real and One Fake - Country Flags | 0 | - | 4.97 | 83,506 |
| Name that Object #2 | 0 | - | 3.64 | 15,354 |
| Name that Object #3 | 0 | - | 3.93 | 14,326 |
| Pick a Picture - Animal Relations | 0 | - | 4.94 | 55,016 |
| Name that Historical Figure #1 | 0 | - | 4.63 | 336,191 |
| Name the Pixelated Landmark | 0 | - | 4.84 | 62,621 |
| Car Logos Quiz #1 | 0 | - | 4.44 | 534,471 |
| Pictures by Letter - E | 0 | - | 3.49 | 34,342 |
| Pictures by Letter - G | 0 | - | 4.14 | 27,988 |
| Pictures by Letter - L | 0 | - | 4.14 | 30,402 |
| Pictures by Letter - F | 0 | - | 4.17 | 28,879 |
| Pictures by Letter - Z | 0 | - | 4.05 | 23,348 |
| Pictures by Letter - Y | 0 | - | 4.22 | 26,159 |
| Pictures by Letter - R | 0 | - | 4.09 | 24,649 |
| Pictures by Letter - K | 0 | - | 4.18 | 24,982 |
| Pictures by Letter - I | 0 | - | 4.16 | 30,241 |
| Pictures by Letter - N | 0 | - | 4.11 | 24,376 |
| Pictures by Letter - P | 0 | - | 4.05 | 25,919 |
| Pictures by Letter - U | 0 | - | 4.10 | 20,676 |
| Pictures by Letter - T | 0 | - | 4.34 | 27,544 |
| Name the Constellations - With a Map | 0 | - | 4.92 | 35,744 |
| Name that Bug | 0 | - | 4.12 | 45,489 |
| Islands by Shape #1 | 0 | - | 4.32 | 84,230 |
| 1970s Celebrities by Picture #1 | 0 | - | 4.20 | 57,725 |
| 1970s Celebrities by Picture #2 | 0 | - | 4.21 | 50,492 |
| Islands by Picture | 0 | - | 4.29 | 106,217 |
| Classic Movies by Movie Posters | 0 | - | 4.45 | 24,132 |
| Animals by Close-up Image | 0 | - | 4.42 | 217,194 |
| Aquatic Mammals by Picture | 0 | - | 4.41 | 45,376 |
| Extinct Animals by Picture | 0 | - | 4.49 | 35,020 |
| Mammals by Picture #1 | 0 | - | 4.70 | 91,336 |
| 1940s Celebrities by Picture | 0 | - | 4.43 | 47,843 |
| International Footballers by Picture | 0 | - | 4.50 | 55,015 |
| Name that Historical Figure #2 | 0 | - | 4.43 | 283,346 |
| Name that Historical Figure #5 | 0 | - | 4.43 | 107,005 |
| Name that Historical Figure #7 - U.S. Edition | 0 | - | 4.50 | 50,492 |
| Geography by Picture - A | 0 | - | 4.39 | 60,104 |
| Geography by Picture - D | 0 | - | 4.15 | 45,538 |
| Geography by Picture - F | 0 | - | 4.31 | 50,873 |
| Geography by Picture - G | 0 | - | 4.38 | 47,842 |
| Geography by Picture - J | 0 | - | 4.16 | 38,364 |
| Geography by Picture - K | 0 | - | 4.29 | 33,044 |
| Geography by Picture - C | 0 | - | 4.31 | 56,963 |
| Geography by Picture - L | 0 | - | 4.37 | 58,821 |
| Geography by Picture - M | 0 | - | 4.14 | 40,370 |
| Geography by Picture - P | 0 | - | 4.24 | 42,333 |
| Geography by Picture - S | 0 | - | 4.38 | 46,950 |
| Miscellaneous Flags Quiz | 0 | - | 4.42 | 279,009 |
| Flag Maths | 0 | - | 4.69 | 57,696 |
| Satellite Images #1 | 0 | - | 4.46 | 129,126 |
| Satellite Images Quiz #2 | 0 | - | 4.63 | 109,090 |
| Satellite Images Quiz #4 | 0 | - | 4.55 | 88,737 |
| Satellite Images Quiz #5 | 0 | - | 4.52 | 49,734 |
| Satellite Images Quiz #6 | 0 | - | 4.50 | 38,864 |
| Cities by Picture #1 | 0 | - | 4.73 | 85,562 |
| Soccer Team Logos | 0 | - | 4.26 | 372,007 |
| Ultimate Car Logos Quiz | 0 | - | 4.80 | 177,521 |
| Car Logos Quiz #2 | 0 | - | 4.43 | 260,171 |
| Video Game Logos Quiz | 0 | - | 4.40 | 183,076 |
| Movie Logos | 0 | - | 4.33 | 236,667 |
| Brand Logos That Start With M | 0 | - | 4.45 | 62,093 |
| Brand Logos That Start with A | 0 | - | 4.51 | 69,618 |
| History by Picture - A | 0 | - | 4.25 | 45,564 |
| History by Picture - B | 0 | - | 4.40 | 48,695 |
| History by Picture - C | 0 | - | 4.36 | 54,208 |
| History by Picture - F | 0 | - | 4.35 | 37,692 |
| History by Picture - G | 0 | - | 4.40 | 41,938 |
| History by Picture - D | 0 | - | 4.29 | 44,109 |
| History by Picture - E | 0 | - | 4.27 | 43,729 |
| History by Picture - H | 0 | - | 4.37 | 36,629 |
| History by Picture - K | 0 | - | 4.35 | 33,189 |
| History by Picture - M | 0 | - | 4.17 | 35,990 |
| History by Picture - N | 0 | - | 4.40 | 41,073 |
| History by Picture - O | 0 | - | 4.39 | 36,130 |
| History by Picture - T | 0 | - | 4.20 | 33,170 |
| Name that Nut, Seed, or Bean | 0 | - | 4.63 | 56,981 |
| Animals - Taxonomy to Common Name | 0 | - | 4.80 | 28,164 |
| Countries with the Most HIV | 0 | - | 4.46 | 44,361 |
| Countries with the Most Malaria Deaths | 0 | - | 4.45 | 45,022 |
| Countries that Desalinate the Most Water | 0 | - | 4.77 | 41,440 |
| 1980s Movie Silhouettes | 0 | - | 4.97 | 103,061 |
| Country Flags Multiple Choice | 0 | - | 4.97 | 143,810 |
| Brand Logos Quiz #1 | 0 | - | 4.83 | 2,408,485 |
| Art Works Picture Quiz #1 | 0 | - | 4.51 | 118,653 |
| Art Works Picture Quiz #2 | 0 | - | 4.49 | 104,893 |
| Musical Instruments by Picture #1 | 0 | - | 4.52 | 268,259 |
| Foods by Picture | 0 | - | 3.81 | 225,676 |
| Flowers by Picture | 0 | - | 4.46 | 105,102 |
| Junk Foods by Picture | 0 | - | 3.69 | 96,126 |
| Art Works Picture Quiz #3 | 0 | - | 4.45 | 48,596 |
| Christmas by Picture | 0 | - | 4.25 | 28,119 |
| Hats by Picture | 0 | - | 4.21 | 17,918 |
| Weapons by Picture | 0 | - | 4.13 | 20,944 |
| Cars by Picture | 0 | - | 3.89 | 41,203 |
| Reptile Picture Quiz | 0 | - | 4.32 | 14,249 |
| Authors by Picture | 0 | - | 4.48 | 25,444 |
| Plants by Picture | 0 | - | 4.24 | 14,374 |
| Fruit and Vegetable Emojis | 0 | - | 4.42 | 79,713 |
| WWII Figures by Picture | 0 | - | 4.85 | 51,921 |
| College Sports Logos Quiz #3 | 0 | - | 4.30 | 55,332 |
| Songs by Picture Quiz #1 | 0 | - | 4.68 | 65,555 |
| Songs by Picture Quiz #2 | 0 | - | 4.42 | 58,574 |
| Fish by Picture #1 | 0 | - | 4.41 | 108,239 |
| Animals A-Z by Picture | 0 | - | 4.08 | 66,091 |
| Mammals by Picture #3 | 0 | - | 4.39 | 61,878 |
| Mammals by Picture #4 | 0 | - | 4.03 | 33,987 |
| Birds by Picture #1 | 0 | - | 4.47 | 41,303 |
| Mammals by Picture #2 | 0 | - | 4.28 | 58,001 |
| Oscar Nominated Actors by Picture #1 | 0 | - | 4.42 | 164,631 |
| 1960s Celebrities by Picture #1 | 0 | - | 4.27 | 70,147 |
| 1960s Celebrities by Picture #2 | 0 | - | 4.26 | 51,222 |
| 1950s Celebrities by Picture #1 | 0 | - | 4.24 | 51,001 |
| 1980s Celebrities by Picture #2 | 0 | - | 4.19 | 71,395 |
| 1990s Celebrities by Picture #1 | 0 | - | 4.13 | 79,130 |
| 1990s Celebrities by Picture #2 | 0 | - | 4.16 | 72,078 |
| 2000s Celebrities by Picture #2 | 0 | - | 4.15 | 94,814 |
| Women in History by Picture | 0 | - | 4.25 | 25,799 |
| 1950s Celebrities by Picture #2 | 0 | - | 4.29 | 45,993 |
| Famous Foreheads #2 | 0 | - | 3.17 | 15,695 |
| Name that Historical Figure #3 | 0 | - | 4.36 | 238,393 |
| Name that Historical Figure #4 | 0 | - | 4.29 | 158,440 |
| Name that Historical Figure #6 | 0 | - | 4.27 | 92,767 |
| Musicians by Picture #1 | 0 | - | 4.39 | 107,641 |
| Musicians by Picture #2 | 0 | - | 4.29 | 75,636 |
| Musicians by Picture #4 | 0 | - | 4.07 | 64,307 |
| Musicians by Picture #3 | 0 | - | 4.10 | 58,533 |
| Geography by Picture - E | 0 | - | 3.55 | 47,305 |
| Landforms by Picture | 0 | - | 4.31 | 20,603 |
| Geography by Picture - I | 0 | - | 4.00 | 39,343 |
| Emoji Flags | 0 | - | 4.35 | 43,890 |
| Fill the Map of Europe by Guessing Flag Colors | 0 | - | 4.64 | 37,584 |
| Languages by Combined Flags | 0 | - | 4.53 | 99,412 |
| Satellite Images Quiz #3 | 0 | - | 4.35 | 73,291 |
| Satellite Images - Island Chains | 0 | - | 4.43 | 65,940 |
| Islands by Satellite Image #1 | 0 | - | 4.70 | 70,286 |
| Peninsulas by Satellite Image | 0 | - | 4.53 | 27,708 |
| Landmarks Picture Quiz #1 | 0 | - | 4.16 | 393,471 |
| Airline Logos | 0 | - | 4.45 | 140,175 |
| Fast Food Logos Quiz | 0 | - | 4.44 | 247,380 |
| Mostly-American Candy Logos | 0 | - | 4.14 | 158,209 |
| Brand Logos That Start With S | 0 | - | 4.37 | 57,004 |
| Brand Logos That Start With B | 0 | - | 4.38 | 59,476 |
| Brand Logos That Start With D | 0 | - | 4.37 | 60,962 |
| Brand Logos That Start With L | 0 | - | 4.39 | 60,503 |
| Brand Logos That Start With C | 0 | - | 4.17 | 49,224 |
| Pictures by Letter - H | 0 | - | 3.97 | 30,343 |
| Pictures by Letter - C | 0 | - | 3.99 | 30,062 |
| Pictures by Letter - O | 0 | - | 3.98 | 28,570 |
| Pictures by Letter - Q | 0 | - | 3.92 | 20,329 |
| Pictures by Letter - S | 0 | - | 3.82 | 20,838 |
