| Former Countries by Territory Map | 0 | - | 4.96 | 103,090 |
| Empires by Maps | 0 | - | 4.98 | 120,930 |
| Islands by Shape #2 | 0 | - | 4.88 | 59,341 |
| Name that Object #1 | 0 | - | 3.57 | 96,530 |
| Visual Memory Test - Random Cartoons | 0 | - | 4.98 | 104,681 |
| Play-Doh People from History | 0 | - | 4.99 | 95,031 |
| Circular Cutouts from a World Map | 0 | - | 4.98 | 61,737 |
| All Country Flags of the World | 0 | - | 5.00 | 3,678,707 |
| Years in History by Picture | 0 | - | 4.44 | 35,603 |
| Famous Foreheads #1 | 0 | - | 4.47 | 75,079 |
| Country Flags Quiz #1 | 0 | - | 4.98 | 2,539,777 |
| Country Flags Quiz #2 | 0 | - | 4.99 | 1,094,156 |
| Country Flags Quiz #3 | 0 | - | 4.97 | 734,312 |
| Old Movies by Picture | 0 | - | 4.51 | 25,148 |
| Musical Instruments by Picture #2 | 0 | - | 4.24 | 47,122 |
| Name that Object #2 | 0 | - | 3.64 | 15,468 |
| Name that Object #3 | 0 | - | 3.93 | 14,423 |
| Animals by Skeleton Image | 0 | - | 4.81 | 46,653 |
| Make a Stained Glass Window | 0 | - | 5.00 | 68,673 |
| Flags with Crescents | 0 | - | 4.98 | 170,051 |
| Country Flag Trivia | 0 | - | 4.81 | 57,315 |
| Country Flags with Eagles - Picture Quiz | 0 | - | 4.98 | 104,103 |
| Country Flags with the Union Jack | 0 | - | 4.87 | 77,775 |
| Pixelated Flag Quiz | 0 | - | 4.97 | 87,755 |
| Flag Emblems Scavenger Hunt | 0 | - | 5.00 | 67,476 |
| Flags by Horizontal Stripes #1 | 0 | - | 4.84 | 85,452 |
| Country Flags with the Sun - Picture Quiz | 0 | - | 4.83 | 53,031 |
| Random Logos Quiz | 0 | - | 4.33 | 208,771 |
| Ultimate Car Logos Quiz | 0 | - | 4.81 | 181,698 |
| National Football Team Logos | 0 | - | 4.85 | 180,799 |
| Pictures by Letter - A | 0 | - | 4.18 | 33,507 |
| Pictures by Letter - J | 0 | - | 4.31 | 40,127 |
| Pictures by Letter - B | 0 | - | 4.32 | 44,075 |
| Pictures by Letter - D | 0 | - | 4.14 | 37,674 |
| Pictures by Letter - M | 0 | - | 4.24 | 37,872 |
| Fruits by Picture | 0 | - | 4.19 | 807,918 |
| Geography by Picture - B | 0 | - | 4.42 | 55,667 |
| Geography by Picture - H | 0 | - | 4.50 | 58,276 |
| Geography by Picture - N | 0 | - | 4.45 | 42,245 |
| Geography by Picture - R | 0 | - | 4.56 | 41,067 |
| Geography by Picture - T | 0 | - | 4.54 | 57,894 |
| All North American Pro Sports Logos | 0 | - | 4.70 | 115,519 |
| Flags to Languages | 0 | - | 4.95 | 173,903 |
| Pictures by Letter - E | 0 | - | 3.51 | 34,550 |
| Pictures by Letter - G | 0 | - | 4.14 | 28,246 |
| Pictures by Letter - L | 0 | - | 4.14 | 30,636 |
| Pictures by Letter - F | 0 | - | 4.18 | 29,128 |
| Pictures by Letter - Z | 0 | - | 4.05 | 23,518 |
| Pictures by Letter - Y | 0 | - | 4.21 | 26,365 |
| Pictures by Letter - R | 0 | - | 4.05 | 24,831 |
| Pictures by Letter - K | 0 | - | 4.18 | 25,192 |
| Pictures by Letter - I | 0 | - | 4.16 | 30,453 |
| Pictures by Letter - N | 0 | - | 4.11 | 24,557 |
| Pictures by Letter - P | 0 | - | 4.05 | 26,117 |
| Pictures by Letter - U | 0 | - | 4.10 | 20,838 |
| Pictures by Letter - T | 0 | - | 4.34 | 27,751 |
| Similar Country Flags - Multiple Choice Quiz | 0 | - | 4.94 | 50,677 |
| Name that Historical Figure #1 | 0 | - | 4.63 | 338,078 |
| Car Logos Quiz #1 | 0 | - | 4.52 | 540,748 |
| Name that Bug | 0 | - | 4.12 | 45,587 |
| Islands by Shape #1 | 0 | - | 4.33 | 84,414 |
| 1970s Celebrities by Picture #1 | 0 | - | 4.20 | 58,043 |
| 1970s Celebrities by Picture #2 | 0 | - | 4.21 | 50,769 |
| Elements by Picture | 0 | - | 4.27 | 70,072 |
| Rocks and Minerals Picture Quiz | 0 | - | 4.48 | 29,380 |
| Islands by Picture | 0 | - | 4.28 | 107,232 |
| Classic Movies by Movie Posters | 0 | - | 4.45 | 24,306 |
| Geography by Picture - A | 0 | - | 4.39 | 60,317 |
| Geography by Picture - D | 0 | - | 4.15 | 45,701 |
| Geography by Picture - F | 0 | - | 4.31 | 51,066 |
| Geography by Picture - G | 0 | - | 4.39 | 47,992 |
| Geography by Picture - J | 0 | - | 4.16 | 38,508 |
| Geography by Picture - K | 0 | - | 4.29 | 33,170 |
| Geography by Picture - C | 0 | - | 4.31 | 57,121 |
| Geography by Picture - L | 0 | - | 4.37 | 59,032 |
| Geography by Picture - M | 0 | - | 4.14 | 40,500 |
| Geography by Picture - P | 0 | - | 4.24 | 42,474 |
| Geography by Picture - S | 0 | - | 4.38 | 47,079 |
| Video Game Logos Quiz | 0 | - | 4.40 | 184,329 |
| Movie Logos | 0 | - | 4.33 | 239,082 |
| History by Picture - A | 0 | - | 4.26 | 45,922 |
| History by Picture - B | 0 | - | 4.40 | 49,112 |
| History by Picture - C | 0 | - | 4.36 | 54,620 |
| History by Picture - F | 0 | - | 4.35 | 37,993 |
| History by Picture - G | 0 | - | 4.40 | 42,242 |
| History by Picture - D | 0 | - | 4.29 | 44,430 |
| History by Picture - E | 0 | - | 4.25 | 44,047 |
| History by Picture - H | 0 | - | 4.37 | 36,889 |
| History by Picture - K | 0 | - | 4.35 | 33,447 |
| History by Picture - M | 0 | - | 4.17 | 36,232 |
| History by Picture - N | 0 | - | 4.40 | 41,352 |
| History by Picture - O | 0 | - | 4.39 | 36,393 |
| History by Picture - T | 0 | - | 4.20 | 33,392 |
| Three Real and One Fake - Country Flags | 0 | - | 4.97 | 84,314 |
| Animals by Close-up Image | 0 | - | 4.42 | 218,537 |
| Aquatic Mammals by Picture | 0 | - | 4.41 | 45,762 |
| Extinct Animals by Picture | 0 | - | 4.49 | 35,323 |
| Mammals by Picture #1 | 0 | - | 4.70 | 92,000 |
| Pick a Picture - Animal Relations | 0 | - | 4.94 | 55,576 |
| 1940s Celebrities by Picture | 0 | - | 4.43 | 48,087 |
| International Footballers by Picture | 0 | - | 4.50 | 55,863 |
| Name that Historical Figure #2 | 0 | - | 4.42 | 285,023 |
| Name that Historical Figure #5 | 0 | - | 4.43 | 107,965 |
| Name that Historical Figure #7 - U.S. Edition | 0 | - | 4.51 | 50,947 |
| Miscellaneous Flags Quiz | 0 | - | 4.42 | 280,931 |
| Flag Maths | 0 | - | 4.64 | 57,788 |
| Satellite Images #1 | 0 | - | 4.47 | 129,473 |
| Satellite Images Quiz #2 | 0 | - | 4.63 | 109,391 |
| Satellite Images Quiz #4 | 0 | - | 4.55 | 88,983 |
| Satellite Images Quiz #5 | 0 | - | 4.52 | 50,007 |
| Satellite Images Quiz #6 | 0 | - | 4.50 | 39,039 |
| Name the Pixelated Landmark | 0 | - | 4.84 | 63,155 |
| Cities by Picture #1 | 0 | - | 4.73 | 86,170 |
| Soccer Team Logos | 0 | - | 4.26 | 375,510 |
| Car Logos Quiz #2 | 0 | - | 4.43 | 262,592 |
| Brand Logos That Start with A | 0 | - | 4.52 | 70,621 |
| Name that Nut, Seed, or Bean | 0 | - | 4.63 | 57,404 |
| Foods by Picture | 0 | - | 3.81 | 226,262 |
| Junk Foods by Picture | 0 | - | 3.69 | 96,479 |
| Christmas by Picture | 0 | - | 4.26 | 28,200 |
| Hats by Picture | 0 | - | 4.21 | 17,987 |
| Weapons by Picture | 0 | - | 4.13 | 21,095 |
| Cars by Picture | 0 | - | 3.89 | 41,605 |
| Reptile Picture Quiz | 0 | - | 4.32 | 14,316 |
| Plants by Picture | 0 | - | 4.24 | 14,476 |
| 1980s Movie Silhouettes | 0 | - | 4.97 | 104,091 |
| Women in History by Picture | 0 | - | 4.25 | 25,959 |
| Famous Foreheads #2 | 0 | - | 3.17 | 15,804 |
| Geography by Picture - E | 0 | - | 3.55 | 47,417 |
| Landforms by Picture | 0 | - | 4.31 | 20,700 |
| Geography by Picture - I | 0 | - | 4.00 | 39,463 |
| Geography by Picture - O | 0 | - | 4.01 | 28,171 |
| Country Flags Multiple Choice | 0 | - | 4.97 | 144,818 |
| Pictures by Letter - H | 0 | - | 3.97 | 30,547 |
| Pictures by Letter - C | 0 | - | 4.00 | 30,293 |
| Pictures by Letter - O | 0 | - | 3.98 | 28,745 |
| Pictures by Letter - Q | 0 | - | 3.92 | 20,491 |
| Pictures by Letter - S | 0 | - | 3.82 | 21,014 |
| Pictures by Letter - W | 0 | - | 3.87 | 20,197 |
| Pictures by Letter - V | 0 | - | 4.00 | 18,041 |
| History by Picture - I | 0 | - | 4.24 | 26,308 |
| History by Picture - J | 0 | - | 4.18 | 26,810 |
| History by Picture - L | 0 | - | 4.18 | 30,863 |
| History by Picture - P | 0 | - | 4.08 | 25,358 |
| History by Picture - Q | 0 | - | 4.03 | 22,146 |
| History by Picture - R | 0 | - | 4.13 | 26,925 |
| History by Picture - S | 0 | - | 4.14 | 27,854 |
| History by Picture - U | 0 | - | 4.24 | 25,202 |
| History by Picture - V | 0 | - | 4.30 | 25,184 |
| History by Picture - W | 0 | - | 4.01 | 21,702 |
| Art Works Picture Quiz #1 | 0 | - | 4.51 | 119,461 |
| Art Works Picture Quiz #2 | 0 | - | 4.49 | 105,528 |
| Musical Instruments by Picture #1 | 0 | - | 4.52 | 269,224 |
| Flowers by Picture | 0 | - | 4.46 | 105,728 |
| Art Works Picture Quiz #3 | 0 | - | 4.45 | 48,830 |
| Authors by Picture | 0 | - | 4.48 | 25,555 |
| Fruit and Vegetable Emojis | 0 | - | 4.45 | 90,309 |
| College Sports Logos Quiz #3 | 0 | - | 4.30 | 55,934 |
| Planets By Picture Quiz | 0 | - | 4.49 | 57,000 |
| Songs by Picture Quiz #1 | 0 | - | 4.68 | 66,165 |
| Songs by Picture Quiz #2 | 0 | - | 4.42 | 59,011 |
| Fish by Picture #1 | 0 | - | 4.41 | 108,636 |
| Animals A-Z by Picture | 0 | - | 4.08 | 66,593 |
| Mammals by Picture #3 | 0 | - | 4.39 | 62,260 |
| Mammals by Picture #4 | 0 | - | 4.03 | 34,194 |
| Birds by Picture #1 | 0 | - | 4.47 | 41,795 |
| Mammals by Picture #2 | 0 | - | 4.28 | 58,340 |
| Oscar Nominated Actors by Picture #1 | 0 | - | 4.42 | 165,343 |
| 1960s Celebrities by Picture #1 | 0 | - | 4.27 | 70,536 |
| 1960s Celebrities by Picture #2 | 0 | - | 4.26 | 51,507 |
| 1950s Celebrities by Picture #1 | 0 | - | 4.24 | 51,245 |
| 1980s Celebrities by Picture #2 | 0 | - | 4.19 | 71,847 |
| 1990s Celebrities by Picture #1 | 0 | - | 4.14 | 79,539 |
| 1990s Celebrities by Picture #2 | 0 | - | 4.16 | 72,563 |
| 2000s Celebrities by Picture #2 | 0 | - | 4.15 | 95,752 |
| 1950s Celebrities by Picture #2 | 0 | - | 4.29 | 46,224 |
| Name that Historical Figure #3 | 0 | - | 4.36 | 239,796 |
| Name that Historical Figure #4 | 0 | - | 4.29 | 159,438 |
| Name that Historical Figure #6 | 0 | - | 4.26 | 93,561 |
| Musicians by Picture #1 | 0 | - | 4.37 | 109,200 |
| Musicians by Picture #2 | 0 | - | 4.29 | 76,742 |
| Musicians by Picture #4 | 0 | - | 4.07 | 65,138 |
| Musicians by Picture #3 | 0 | - | 4.10 | 59,162 |
| Emoji Flags | 0 | - | 4.35 | 44,149 |
| Fill the Map of Europe by Guessing Flag Colors | 0 | - | 4.68 | 37,983 |
| Languages by Combined Flags | 0 | - | 4.53 | 100,203 |
| Satellite Images Quiz #3 | 0 | - | 4.35 | 73,445 |
| Satellite Images - Island Chains | 0 | - | 4.43 | 66,599 |
| Islands by Satellite Image #1 | 0 | - | 4.70 | 70,904 |
| Peninsulas by Satellite Image | 0 | - | 4.53 | 27,847 |
| Landmarks Picture Quiz #1 | 0 | - | 4.16 | 394,903 |
| Airline Logos | 0 | - | 4.45 | 140,982 |
| Brand Logos Quiz #1 | 0 | - | 4.83 | 2,428,145 |
| Fast Food Logos Quiz | 0 | - | 4.45 | 248,765 |
| Mostly-American Candy Logos | 0 | - | 4.14 | 159,344 |
| Brand Logos That Start With M | 0 | - | 4.40 | 63,076 |
| Brand Logos That Start With S | 0 | - | 4.37 | 57,857 |
| Brand Logos That Start With B | 0 | - | 4.38 | 60,201 |
| Brand Logos That Start With D | 0 | - | 4.35 | 61,778 |
| Brand Logos That Start With L | 0 | - | 4.39 | 61,411 |
