| Former Countries by Territory Map | 0 | - | 4.96 | 104,148 |
| Empires by Maps | 0 | - | 4.98 | 122,449 |
| Merged Company Logos #1 | 0 | - | 4.90 | 107,566 |
| Islands by Shape #2 | 0 | - | 4.88 | 59,588 |
| Visual Memory Test - Random Cartoons | 0 | - | 4.98 | 105,585 |
| Play-Doh People from History | 0 | - | 4.99 | 95,721 |
| Famous Landmarks Out Of Focus #1 | 0 | - | 4.89 | 61,720 |
| Jeppy in Disguise #1 | 0 | - | 4.92 | 50,098 |
| Jeppy in Disguise #2 | 0 | - | 4.96 | 50,156 |
| Circular Cutouts from a World Map | 0 | - | 4.98 | 62,242 |
| All Country Flags of the World | 0 | - | 5.00 | 3,721,887 |
| Years in History by Picture | 0 | - | 4.45 | 35,920 |
| Famous Foreheads #1 | 0 | - | 4.47 | 75,519 |
| Country Flags Quiz #1 | 0 | - | 4.98 | 2,547,315 |
| Country Flags Quiz #2 | 0 | - | 4.99 | 1,097,947 |
| Country Flags Quiz #3 | 0 | - | 4.97 | 736,947 |
| Merged Company Logos #2 | 0 | - | 4.75 | 78,402 |
| Name that Object #1 | 0 | - | 3.57 | 96,648 |
| Animals by Skeleton Image | 0 | - | 4.81 | 47,021 |
| Make a Stained Glass Window | 0 | - | 5.00 | 69,164 |
| Flags with Crescents | 0 | - | 4.98 | 171,630 |
| Country Flag Trivia | 0 | - | 4.82 | 58,236 |
| Country Flags with Eagles - Picture Quiz | 0 | - | 4.98 | 105,108 |
| Country Flags with the Union Jack | 0 | - | 4.87 | 78,585 |
| Pixelated Flag Quiz | 0 | - | 4.97 | 88,815 |
| Flag Emblems Scavenger Hunt | 0 | - | 5.00 | 68,091 |
| Flags by Horizontal Stripes #1 | 0 | - | 4.84 | 86,122 |
| Country Flags with the Sun - Picture Quiz | 0 | - | 4.81 | 53,597 |
| Real vs. Fake Flags | 0 | - | 4.98 | 126,013 |
| Ultimate Car Logos Quiz | 0 | - | 4.81 | 184,633 |
| National Football Team Logos | 0 | - | 4.85 | 182,156 |
| Old Movies by Picture | 0 | - | 4.51 | 25,290 |
| Musical Instruments by Picture #2 | 0 | - | 4.24 | 47,339 |
| Random Logos Quiz | 0 | - | 4.33 | 209,846 |
| Pictures by Letter - A | 0 | - | 4.18 | 33,680 |
| Pictures by Letter - J | 0 | - | 4.31 | 40,308 |
| Pictures by Letter - B | 0 | - | 4.32 | 44,298 |
| Pictures by Letter - D | 0 | - | 4.14 | 37,837 |
| Pictures by Letter - M | 0 | - | 4.24 | 38,044 |
| Fruits by Picture | 0 | - | 4.19 | 809,705 |
| Geography by Picture - B | 0 | - | 4.42 | 55,824 |
| Geography by Picture - H | 0 | - | 4.50 | 58,420 |
| Geography by Picture - N | 0 | - | 4.45 | 42,384 |
| Geography by Picture - R | 0 | - | 4.56 | 41,181 |
| Geography by Picture - T | 0 | - | 4.54 | 58,031 |
| Flags to Languages | 0 | - | 4.95 | 174,651 |
| All North American Pro Sports Logos | 0 | - | 4.72 | 116,579 |
| Similar Country Flags - Multiple Choice Quiz | 0 | - | 4.94 | 51,107 |
| Three Real and One Fake - Country Flags | 0 | - | 4.97 | 84,829 |
| Name that Object #2 | 0 | - | 3.63 | 15,540 |
| Name that Object #3 | 0 | - | 3.93 | 14,477 |
| Pokémon by Picture | 0 | - | 4.38 | 75,316 |
| Pick a Picture - Animal Relations | 0 | - | 4.94 | 55,953 |
| Name that Historical Figure #1 | 0 | - | 4.63 | 340,886 |
| Name the Pixelated Landmark | 0 | - | 4.85 | 63,618 |
| Car Logos Quiz #1 | 0 | - | 4.52 | 544,870 |
| Pictures by Letter - E | 0 | - | 3.51 | 34,676 |
| Pictures by Letter - G | 0 | - | 4.14 | 28,411 |
| Pictures by Letter - L | 0 | - | 4.14 | 30,792 |
| Pictures by Letter - F | 0 | - | 4.18 | 29,297 |
| Pictures by Letter - Z | 0 | - | 4.05 | 23,620 |
| Pictures by Letter - Y | 0 | - | 4.21 | 26,475 |
| Pictures by Letter - R | 0 | - | 4.05 | 24,954 |
| Pictures by Letter - K | 0 | - | 4.18 | 25,315 |
| Pictures by Letter - I | 0 | - | 4.16 | 30,605 |
| Pictures by Letter - N | 0 | - | 4.11 | 24,683 |
| Pictures by Letter - P | 0 | - | 4.05 | 26,229 |
| Pictures by Letter - U | 0 | - | 4.10 | 20,954 |
| Pictures by Letter - T | 0 | - | 4.34 | 27,887 |
| Name that Bug | 0 | - | 4.12 | 45,655 |
| Islands by Shape #1 | 0 | - | 4.33 | 84,545 |
| 1970s Celebrities by Picture #1 | 0 | - | 4.20 | 58,311 |
| 1970s Celebrities by Picture #2 | 0 | - | 4.21 | 51,004 |
| Elements by Picture | 0 | - | 4.27 | 70,370 |
| Rocks and Minerals Picture Quiz | 0 | - | 4.48 | 29,539 |
| Islands by Picture | 0 | - | 4.28 | 107,918 |
| Classic Movies by Movie Posters | 0 | - | 4.45 | 24,476 |
| Famous Landmarks Out Of Focus #2 | 0 | - | 4.37 | 41,607 |
| Animals by Close-up Image | 0 | - | 4.42 | 219,231 |
| Aquatic Mammals by Picture | 0 | - | 4.41 | 46,049 |
| Extinct Animals by Picture | 0 | - | 4.49 | 35,526 |
| Mammals by Picture #1 | 0 | - | 4.70 | 92,525 |
| 1940s Celebrities by Picture | 0 | - | 4.43 | 48,240 |
| International Footballers by Picture | 0 | - | 4.51 | 56,550 |
| Name that Historical Figure #2 | 0 | - | 4.42 | 287,256 |
| Name that Historical Figure #5 | 0 | - | 4.43 | 109,564 |
| Name that Historical Figure #7 - U.S. Edition | 0 | - | 4.51 | 51,729 |
| Geography by Picture - A | 0 | - | 4.39 | 60,473 |
| Geography by Picture - D | 0 | - | 4.15 | 45,817 |
| Geography by Picture - F | 0 | - | 4.31 | 51,222 |
| Geography by Picture - G | 0 | - | 4.39 | 48,116 |
| Geography by Picture - J | 0 | - | 4.16 | 38,627 |
| Geography by Picture - K | 0 | - | 4.29 | 33,284 |
| Geography by Picture - C | 0 | - | 4.31 | 57,271 |
| Geography by Picture - L | 0 | - | 4.37 | 59,166 |
| Geography by Picture - M | 0 | - | 4.14 | 40,608 |
| Geography by Picture - P | 0 | - | 4.24 | 42,595 |
| Geography by Picture - S | 0 | - | 4.38 | 47,202 |
| Miscellaneous Flags Quiz | 0 | - | 4.42 | 282,314 |
| Flag Maths | 0 | - | 4.61 | 57,862 |
| Satellite Images #1 | 0 | - | 4.46 | 130,048 |
| Satellite Images Quiz #2 | 0 | - | 4.64 | 109,742 |
| Satellite Images Quiz #4 | 0 | - | 4.55 | 89,431 |
| Satellite Images Quiz #5 | 0 | - | 4.52 | 50,283 |
| Satellite Images Quiz #6 | 0 | - | 4.50 | 39,250 |
| Cities by Picture #1 | 0 | - | 4.74 | 86,637 |
| Soccer Team Logos | 0 | - | 4.26 | 378,092 |
| Car Logos Quiz #2 | 0 | - | 4.43 | 264,195 |
| Video Game Logos Quiz | 0 | - | 4.40 | 185,211 |
| Movie Logos | 0 | - | 4.33 | 240,701 |
| Brand Logos That Start with A | 0 | - | 4.52 | 71,286 |
| History by Picture - A | 0 | - | 4.26 | 46,206 |
| History by Picture - B | 0 | - | 4.40 | 49,408 |
| History by Picture - C | 0 | - | 4.33 | 54,946 |
| History by Picture - F | 0 | - | 4.35 | 38,245 |
| History by Picture - G | 0 | - | 4.40 | 42,485 |
| History by Picture - D | 0 | - | 4.29 | 44,710 |
| History by Picture - E | 0 | - | 4.25 | 44,293 |
| History by Picture - H | 0 | - | 4.37 | 37,133 |
| History by Picture - K | 0 | - | 4.35 | 33,659 |
| History by Picture - M | 0 | - | 4.17 | 36,436 |
| History by Picture - N | 0 | - | 4.40 | 41,572 |
| History by Picture - O | 0 | - | 4.39 | 36,587 |
| History by Picture - T | 0 | - | 4.20 | 33,581 |
| Name that Nut, Seed, or Bean | 0 | - | 4.57 | 57,852 |
| Oscar Best Animated Films by Picture | 0 | - | 4.70 | 112,888 |
| 1980s Movie Silhouettes | 0 | - | 4.97 | 104,783 |
| Simpsons Characters by Picture | 0 | - | 4.42 | 22,139 |
| Country Flags Multiple Choice | 0 | - | 4.97 | 145,596 |
| Brand Logos Quiz #1 | 0 | - | 4.83 | 2,440,671 |
| Art Works Picture Quiz #1 | 0 | - | 4.51 | 119,914 |
| Art Works Picture Quiz #2 | 0 | - | 4.49 | 105,974 |
| Musical Instruments by Picture #1 | 0 | - | 4.52 | 269,880 |
| Foods by Picture | 0 | - | 3.81 | 226,728 |
| Flowers by Picture | 0 | - | 4.46 | 105,886 |
| Junk Foods by Picture | 0 | - | 3.69 | 96,816 |
| Art Works Picture Quiz #3 | 0 | - | 4.45 | 48,989 |
| Christmas by Picture | 0 | - | 4.26 | 28,238 |
| Hats by Picture | 0 | - | 4.21 | 18,024 |
| Weapons by Picture | 0 | - | 4.13 | 21,216 |
| Cars by Picture | 0 | - | 3.89 | 41,849 |
| Reptile Picture Quiz | 0 | - | 4.32 | 14,397 |
| Authors by Picture | 0 | - | 4.48 | 25,648 |
| Plants by Picture | 0 | - | 4.24 | 14,528 |
| Fruit and Vegetable Emojis | 0 | - | 4.45 | 91,068 |
| WWII Figures by Picture | 0 | - | 4.89 | 66,444 |
| College Sports Logos Quiz #3 | 0 | - | 4.30 | 56,218 |
| Planets By Picture Quiz | 0 | - | 4.49 | 57,456 |
| Songs by Picture Quiz #1 | 0 | - | 4.68 | 66,572 |
| Songs by Picture Quiz #2 | 0 | - | 4.42 | 59,361 |
| Fish by Picture #1 | 0 | - | 4.41 | 109,112 |
| Animals A-Z by Picture | 0 | - | 4.08 | 66,927 |
| Mammals by Picture #3 | 0 | - | 4.39 | 62,540 |
| Mammals by Picture #4 | 0 | - | 4.03 | 34,373 |
| Birds by Picture #1 | 0 | - | 4.47 | 42,108 |
| Mammals by Picture #2 | 0 | - | 4.28 | 58,600 |
| Oscar Nominated Actors by Picture #1 | 0 | - | 4.42 | 165,845 |
| 1960s Celebrities by Picture #1 | 0 | - | 4.27 | 70,810 |
| 1960s Celebrities by Picture #2 | 0 | - | 4.26 | 51,711 |
| 1950s Celebrities by Picture #1 | 0 | - | 4.24 | 51,400 |
| 1980s Celebrities by Picture #2 | 0 | - | 4.19 | 72,171 |
| 1990s Celebrities by Picture #1 | 0 | - | 4.14 | 79,823 |
| 1990s Celebrities by Picture #2 | 0 | - | 4.16 | 72,884 |
| 2000s Celebrities by Picture #2 | 0 | - | 4.15 | 96,172 |
| Women in History by Picture | 0 | - | 4.25 | 26,061 |
| 1950s Celebrities by Picture #2 | 0 | - | 4.29 | 46,373 |
| Famous Foreheads #2 | 0 | - | 3.17 | 15,875 |
| Name that Historical Figure #3 | 0 | - | 4.37 | 248,262 |
| Name that Historical Figure #4 | 0 | - | 4.29 | 161,164 |
| Name that Historical Figure #6 | 0 | - | 4.26 | 94,997 |
| Musicians by Picture #1 | 0 | - | 4.38 | 110,237 |
| Musicians by Picture #2 | 0 | - | 4.29 | 77,524 |
| Musicians by Picture #4 | 0 | - | 4.07 | 65,726 |
| Musicians by Picture #3 | 0 | - | 4.10 | 59,647 |
| Geography by Picture - E | 0 | - | 3.54 | 47,514 |
| Landforms by Picture | 0 | - | 4.31 | 20,766 |
| Geography by Picture - I | 0 | - | 4.00 | 39,552 |
| Geography by Picture - O | 0 | - | 4.01 | 28,266 |
| Emoji Flags | 0 | - | 4.35 | 44,316 |
| Fill the Map of Europe by Guessing Flag Colors | 0 | - | 4.69 | 38,273 |
| Languages by Combined Flags | 0 | - | 4.53 | 100,758 |
| Satellite Images Quiz #3 | 0 | - | 4.35 | 73,685 |
| Satellite Images - Island Chains | 0 | - | 4.43 | 67,063 |
| Islands by Satellite Image #1 | 0 | - | 4.70 | 71,348 |
| Peninsulas by Satellite Image | 0 | - | 4.53 | 27,950 |
| Landmarks Picture Quiz #1 | 0 | - | 4.16 | 396,495 |
| Airline Logos | 0 | - | 4.45 | 141,526 |
| Fast Food Logos Quiz | 0 | - | 4.45 | 249,670 |
| Mostly-American Candy Logos | 0 | - | 4.14 | 160,091 |
| Brand Logos That Start With M | 0 | - | 4.38 | 63,627 |
| Brand Logos That Start With S | 0 | - | 4.37 | 58,412 |
| Brand Logos That Start With B | 0 | - | 4.38 | 60,741 |
| Brand Logos That Start With D | 0 | - | 4.37 | 62,297 |
| Brand Logos That Start With L | 0 | - | 4.40 | 62,011 |
| Brand Logos That Start With C | 0 | - | 4.21 | 50,213 |
| Pictures by Letter - H | 0 | - | 3.97 | 30,685 |
| Pictures by Letter - C | 0 | - | 4.00 | 30,430 |
| Pictures by Letter - O | 0 | - | 3.98 | 28,868 |
| Pictures by Letter - Q | 0 | - | 3.92 | 20,590 |
| Pictures by Letter - S | 0 | - | 3.82 | 21,127 |
