| Former Countries by Territory Map | 0 | - | 4.96 | 104,033 |
| Empires by Maps | 0 | - | 4.98 | 122,272 |
| Merged Company Logos #1 | 0 | - | 4.90 | 107,501 |
| Islands by Shape #2 | 0 | - | 4.88 | 59,560 |
| Name that Object #1 | 0 | - | 3.57 | 96,645 |
| Visual Memory Test - Random Cartoons | 0 | - | 4.98 | 105,436 |
| Play-Doh People from History | 0 | - | 4.99 | 95,643 |
| Circular Cutouts from a World Map | 0 | - | 4.98 | 62,179 |
| All Country Flags of the World | 0 | - | 5.00 | 3,717,977 |
| Years in History by Picture | 0 | - | 4.45 | 35,874 |
| Famous Foreheads #1 | 0 | - | 4.47 | 75,476 |
| Merged Company Logos #2 | 0 | - | 4.75 | 78,357 |
| Country Flags Quiz #1 | 0 | - | 4.98 | 2,546,656 |
| Country Flags Quiz #2 | 0 | - | 4.99 | 1,097,577 |
| Country Flags Quiz #3 | 0 | - | 4.97 | 736,703 |
| Old Movies by Picture | 0 | - | 4.51 | 25,279 |
| Musical Instruments by Picture #2 | 0 | - | 4.24 | 47,324 |
| Name that Object #2 | 0 | - | 3.63 | 15,535 |
| Name that Object #3 | 0 | - | 3.93 | 14,474 |
| Animals by Skeleton Image | 0 | - | 4.81 | 46,983 |
| Make a Stained Glass Window | 0 | - | 5.00 | 69,119 |
| Flags with Crescents | 0 | - | 4.98 | 171,496 |
| Country Flag Trivia | 0 | - | 4.82 | 58,155 |
| Country Flags with Eagles - Picture Quiz | 0 | - | 4.98 | 105,003 |
| Country Flags with the Union Jack | 0 | - | 4.87 | 78,513 |
| Pixelated Flag Quiz | 0 | - | 4.97 | 88,711 |
| Flag Emblems Scavenger Hunt | 0 | - | 5.00 | 68,028 |
| Flags by Horizontal Stripes #1 | 0 | - | 4.84 | 86,058 |
| Country Flags with the Sun - Picture Quiz | 0 | - | 4.81 | 53,538 |
| Random Logos Quiz | 0 | - | 4.33 | 209,771 |
| Ultimate Car Logos Quiz | 0 | - | 4.81 | 184,374 |
| National Football Team Logos | 0 | - | 4.85 | 182,014 |
| Pictures by Letter - A | 0 | - | 4.18 | 33,668 |
| Pictures by Letter - J | 0 | - | 4.31 | 40,298 |
| Pictures by Letter - B | 0 | - | 4.32 | 44,284 |
| Pictures by Letter - D | 0 | - | 4.14 | 37,824 |
| Pictures by Letter - M | 0 | - | 4.24 | 38,030 |
| Fruits by Picture | 0 | - | 4.19 | 809,572 |
| Geography by Picture - B | 0 | - | 4.42 | 55,799 |
| Geography by Picture - H | 0 | - | 4.50 | 58,402 |
| Geography by Picture - N | 0 | - | 4.45 | 42,362 |
| Geography by Picture - R | 0 | - | 4.56 | 41,165 |
| Geography by Picture - T | 0 | - | 4.54 | 58,020 |
| All North American Pro Sports Logos | 0 | - | 4.72 | 116,486 |
| Flags to Languages | 0 | - | 4.95 | 174,583 |
| Pictures by Letter - E | 0 | - | 3.51 | 34,671 |
| Pictures by Letter - G | 0 | - | 4.14 | 28,402 |
| Pictures by Letter - L | 0 | - | 4.14 | 30,784 |
| Pictures by Letter - F | 0 | - | 4.18 | 29,285 |
| Pictures by Letter - Z | 0 | - | 4.05 | 23,615 |
| Pictures by Letter - Y | 0 | - | 4.21 | 26,470 |
| Pictures by Letter - R | 0 | - | 4.05 | 24,948 |
| Pictures by Letter - K | 0 | - | 4.18 | 25,309 |
| Pictures by Letter - I | 0 | - | 4.16 | 30,598 |
| Pictures by Letter - N | 0 | - | 4.11 | 24,673 |
| Pictures by Letter - P | 0 | - | 4.05 | 26,219 |
| Pictures by Letter - U | 0 | - | 4.10 | 20,948 |
| Pictures by Letter - T | 0 | - | 4.34 | 27,879 |
| Similar Country Flags - Multiple Choice Quiz | 0 | - | 4.94 | 51,068 |
| Name that Historical Figure #1 | 0 | - | 4.63 | 340,244 |
| Car Logos Quiz #1 | 0 | - | 4.52 | 544,488 |
| Name that Bug | 0 | - | 4.12 | 45,648 |
| Islands by Shape #1 | 0 | - | 4.33 | 84,528 |
| 1970s Celebrities by Picture #1 | 0 | - | 4.20 | 58,295 |
| 1970s Celebrities by Picture #2 | 0 | - | 4.21 | 50,994 |
| Elements by Picture | 0 | - | 4.27 | 70,341 |
| Rocks and Minerals Picture Quiz | 0 | - | 4.48 | 29,522 |
| Islands by Picture | 0 | - | 4.28 | 107,858 |
| Classic Movies by Movie Posters | 0 | - | 4.45 | 24,468 |
| Geography by Picture - A | 0 | - | 4.39 | 60,453 |
| Geography by Picture - D | 0 | - | 4.15 | 45,799 |
| Geography by Picture - F | 0 | - | 4.31 | 51,198 |
| Geography by Picture - G | 0 | - | 4.39 | 48,095 |
| Geography by Picture - J | 0 | - | 4.16 | 38,614 |
| Geography by Picture - K | 0 | - | 4.29 | 33,262 |
| Geography by Picture - C | 0 | - | 4.31 | 57,253 |
| Geography by Picture - L | 0 | - | 4.37 | 59,154 |
| Geography by Picture - M | 0 | - | 4.14 | 40,596 |
| Geography by Picture - P | 0 | - | 4.24 | 42,581 |
| Geography by Picture - S | 0 | - | 4.38 | 47,192 |
| Video Game Logos Quiz | 0 | - | 4.40 | 185,147 |
| Movie Logos | 0 | - | 4.33 | 240,559 |
| History by Picture - A | 0 | - | 4.26 | 46,182 |
| History by Picture - B | 0 | - | 4.40 | 49,380 |
| History by Picture - C | 0 | - | 4.33 | 54,914 |
| History by Picture - F | 0 | - | 4.35 | 38,217 |
| History by Picture - G | 0 | - | 4.40 | 42,463 |
| History by Picture - D | 0 | - | 4.29 | 44,681 |
| History by Picture - E | 0 | - | 4.25 | 44,264 |
| History by Picture - H | 0 | - | 4.37 | 37,110 |
| History by Picture - K | 0 | - | 4.35 | 33,641 |
| History by Picture - M | 0 | - | 4.17 | 36,419 |
| History by Picture - N | 0 | - | 4.40 | 41,554 |
| History by Picture - O | 0 | - | 4.39 | 36,575 |
| History by Picture - T | 0 | - | 4.20 | 33,564 |
| Animals by Close-up Image | 0 | - | 4.42 | 219,116 |
| Aquatic Mammals by Picture | 0 | - | 4.41 | 46,034 |
| Extinct Animals by Picture | 0 | - | 4.49 | 35,505 |
| Mammals by Picture #1 | 0 | - | 4.70 | 92,492 |
| Pick a Picture - Animal Relations | 0 | - | 4.94 | 55,911 |
| 1940s Celebrities by Picture | 0 | - | 4.43 | 48,230 |
| International Footballers by Picture | 0 | - | 4.51 | 56,491 |
| Name that Historical Figure #2 | 0 | - | 4.42 | 286,714 |
| Name that Historical Figure #5 | 0 | - | 4.43 | 109,138 |
| Name that Historical Figure #7 - U.S. Edition | 0 | - | 4.51 | 51,487 |
| Miscellaneous Flags Quiz | 0 | - | 4.42 | 282,208 |
| Flag Maths | 0 | - | 4.61 | 57,855 |
| Satellite Images #1 | 0 | - | 4.46 | 130,027 |
| Satellite Images Quiz #2 | 0 | - | 4.63 | 109,719 |
| Satellite Images Quiz #4 | 0 | - | 4.55 | 89,419 |
| Satellite Images Quiz #5 | 0 | - | 4.52 | 50,267 |
| Satellite Images Quiz #6 | 0 | - | 4.50 | 39,243 |
| Name the Pixelated Landmark | 0 | - | 4.85 | 63,519 |
| Cities by Picture #1 | 0 | - | 4.74 | 86,609 |
| Soccer Team Logos | 0 | - | 4.26 | 377,897 |
| Car Logos Quiz #2 | 0 | - | 4.43 | 264,054 |
| Brand Logos That Start with A | 0 | - | 4.52 | 71,243 |
| Name that Nut, Seed, or Bean | 0 | - | 4.57 | 57,827 |
| Three Real and One Fake - Country Flags | 0 | - | 4.97 | 84,792 |
| Foods by Picture | 0 | - | 3.81 | 226,688 |
| Junk Foods by Picture | 0 | - | 3.69 | 96,796 |
| Christmas by Picture | 0 | - | 4.26 | 28,234 |
| Hats by Picture | 0 | - | 4.21 | 18,021 |
| Weapons by Picture | 0 | - | 4.13 | 21,206 |
| Cars by Picture | 0 | - | 3.89 | 41,834 |
| Reptile Picture Quiz | 0 | - | 4.32 | 14,387 |
| Plants by Picture | 0 | - | 4.24 | 14,526 |
| 1980s Movie Silhouettes | 0 | - | 4.97 | 104,735 |
| Women in History by Picture | 0 | - | 4.25 | 26,045 |
| Famous Foreheads #2 | 0 | - | 3.17 | 15,868 |
| Geography by Picture - E | 0 | - | 3.55 | 47,502 |
| Landforms by Picture | 0 | - | 4.31 | 20,754 |
| Geography by Picture - I | 0 | - | 4.00 | 39,545 |
| Geography by Picture - O | 0 | - | 4.01 | 28,256 |
| Country Flags Multiple Choice | 0 | - | 4.97 | 145,516 |
| Pictures by Letter - H | 0 | - | 3.97 | 30,678 |
| Pictures by Letter - C | 0 | - | 4.00 | 30,423 |
| Pictures by Letter - O | 0 | - | 3.98 | 28,863 |
| Pictures by Letter - Q | 0 | - | 3.92 | 20,586 |
| Pictures by Letter - S | 0 | - | 3.82 | 21,122 |
| Pictures by Letter - W | 0 | - | 3.87 | 20,299 |
| Pictures by Letter - V | 0 | - | 4.00 | 18,128 |
| History by Picture - I | 0 | - | 4.24 | 26,471 |
| History by Picture - J | 0 | - | 4.18 | 26,965 |
| History by Picture - L | 0 | - | 4.18 | 31,041 |
| History by Picture - P | 0 | - | 4.08 | 25,503 |
| History by Picture - Q | 0 | - | 4.03 | 22,276 |
| History by Picture - R | 0 | - | 4.13 | 27,072 |
| History by Picture - S | 0 | - | 4.14 | 28,005 |
| History by Picture - U | 0 | - | 4.25 | 25,346 |
| History by Picture - V | 0 | - | 4.31 | 25,334 |
| History by Picture - W | 0 | - | 4.01 | 21,833 |
| Art Works Picture Quiz #1 | 0 | - | 4.51 | 119,861 |
| Art Works Picture Quiz #2 | 0 | - | 4.49 | 105,900 |
| Musical Instruments by Picture #1 | 0 | - | 4.52 | 269,836 |
| Flowers by Picture | 0 | - | 4.46 | 105,879 |
| Art Works Picture Quiz #3 | 0 | - | 4.45 | 48,959 |
| Authors by Picture | 0 | - | 4.48 | 25,638 |
| Fruit and Vegetable Emojis | 0 | - | 4.45 | 90,993 |
| College Sports Logos Quiz #3 | 0 | - | 4.30 | 56,193 |
| Planets By Picture Quiz | 0 | - | 4.49 | 57,430 |
| Songs by Picture Quiz #1 | 0 | - | 4.68 | 66,538 |
| Songs by Picture Quiz #2 | 0 | - | 4.42 | 59,341 |
| Fish by Picture #1 | 0 | - | 4.41 | 109,086 |
| Animals A-Z by Picture | 0 | - | 4.08 | 66,903 |
| Mammals by Picture #3 | 0 | - | 4.39 | 62,522 |
| Mammals by Picture #4 | 0 | - | 4.03 | 34,362 |
| Birds by Picture #1 | 0 | - | 4.47 | 42,080 |
| Mammals by Picture #2 | 0 | - | 4.28 | 58,586 |
| Oscar Nominated Actors by Picture #1 | 0 | - | 4.42 | 165,828 |
| 1960s Celebrities by Picture #1 | 0 | - | 4.27 | 70,792 |
| 1960s Celebrities by Picture #2 | 0 | - | 4.26 | 51,699 |
| 1950s Celebrities by Picture #1 | 0 | - | 4.24 | 51,388 |
| 1980s Celebrities by Picture #2 | 0 | - | 4.19 | 72,157 |
| 1990s Celebrities by Picture #1 | 0 | - | 4.14 | 79,798 |
| 1990s Celebrities by Picture #2 | 0 | - | 4.16 | 72,859 |
| 2000s Celebrities by Picture #2 | 0 | - | 4.15 | 96,131 |
| 1950s Celebrities by Picture #2 | 0 | - | 4.29 | 46,364 |
| Name that Historical Figure #3 | 0 | - | 4.37 | 245,710 |
| Name that Historical Figure #4 | 0 | - | 4.29 | 160,701 |
| Name that Historical Figure #6 | 0 | - | 4.26 | 94,577 |
| Musicians by Picture #1 | 0 | - | 4.38 | 110,124 |
| Musicians by Picture #2 | 0 | - | 4.29 | 77,455 |
| Musicians by Picture #4 | 0 | - | 4.07 | 65,660 |
| Musicians by Picture #3 | 0 | - | 4.10 | 59,601 |
| Emoji Flags | 0 | - | 4.35 | 44,302 |
| Fill the Map of Europe by Guessing Flag Colors | 0 | - | 4.69 | 38,248 |
| Languages by Combined Flags | 0 | - | 4.53 | 100,707 |
| Satellite Images Quiz #3 | 0 | - | 4.35 | 73,671 |
| Satellite Images - Island Chains | 0 | - | 4.43 | 67,024 |
| Islands by Satellite Image #1 | 0 | - | 4.70 | 71,312 |
| Peninsulas by Satellite Image | 0 | - | 4.53 | 27,940 |
| Landmarks Picture Quiz #1 | 0 | - | 4.16 | 396,068 |
| Airline Logos | 0 | - | 4.45 | 141,479 |
| Brand Logos Quiz #1 | 0 | - | 4.83 | 2,439,560 |
| Fast Food Logos Quiz | 0 | - | 4.45 | 249,608 |
| Mostly-American Candy Logos | 0 | - | 4.14 | 160,025 |
| Brand Logos That Start With M | 0 | - | 4.38 | 63,593 |
| Brand Logos That Start With S | 0 | - | 4.37 | 58,360 |
| Brand Logos That Start With B | 0 | - | 4.38 | 60,719 |
