| Former Countries by Territory Map | 0 | - | 4.96 | 94,641 |
| Empires by Maps | 0 | - | 4.98 | 108,021 |
| Islands by Shape #2 | 0 | - | 4.87 | 47,211 |
| Name that Object #1 | 0 | - | 3.57 | 95,675 |
| Visual Memory Test - Random Cartoons | 0 | - | 4.98 | 94,743 |
| Circular Cutouts from a World Map | 0 | - | 4.98 | 57,930 |
| All Country Flags of the World | 0 | - | 5.00 | 3,315,019 |
| Years in History by Picture | 0 | - | 4.45 | 32,631 |
| Famous Foreheads #1 | 0 | - | 4.47 | 70,992 |
| Country Flags Quiz #1 | 0 | - | 4.98 | 2,460,742 |
| Country Flags Quiz #2 | 0 | - | 4.98 | 1,054,620 |
| Country Flags Quiz #3 | 0 | - | 4.97 | 706,204 |
| Old Movies by Picture | 0 | - | 4.51 | 23,213 |
| Musical Instruments by Picture #2 | 0 | - | 4.23 | 45,006 |
| Name that Object #2 | 0 | - | 3.65 | 14,841 |
| Name that Object #3 | 0 | - | 3.98 | 13,864 |
| Animals by Skeleton Image | 0 | - | 4.81 | 42,434 |
| Make a Stained Glass Window | 0 | - | 4.99 | 64,138 |
| Flags with Crescents | 0 | - | 4.98 | 156,880 |
| Country Flag Trivia | 0 | - | 4.81 | 51,370 |
| Country Flags with Eagles - Picture Quiz | 0 | - | 4.98 | 95,273 |
| Country Flags with the Union Jack | 0 | - | 4.81 | 63,129 |
| Pixelated Flag Quiz | 0 | - | 4.97 | 77,786 |
| Flag Emblems Scavenger Hunt | 0 | - | 5.00 | 61,342 |
| Flags by Horizontal Stripes #1 | 0 | - | 4.86 | 69,109 |
| Flag Maths | 0 | - | 4.91 | 54,847 |
| Country Flags with the Sun - Picture Quiz | 0 | - | 4.83 | 47,773 |
| Random Logos Quiz | 0 | - | 4.32 | 199,924 |
| National Soccer Team Logos | 0 | - | 4.86 | 169,574 |
| Pictures by Letter - A | 0 | - | 4.14 | 31,707 |
| Pictures by Letter - J | 0 | - | 4.28 | 38,249 |
| Pictures by Letter - B | 0 | - | 4.27 | 41,822 |
| Pictures by Letter - D | 0 | - | 4.17 | 35,812 |
| Pictures by Letter - M | 0 | - | 4.21 | 36,230 |
| Fruits by Picture | 0 | - | 4.18 | 767,421 |
| Geography by Picture - B | 0 | - | 4.41 | 54,218 |
| Geography by Picture - H | 0 | - | 4.49 | 56,934 |
| Geography by Picture - N | 0 | - | 4.44 | 41,095 |
| Geography by Picture - R | 0 | - | 4.55 | 39,969 |
| Geography by Picture - T | 0 | - | 4.54 | 56,564 |
| All North American Pro Sports Logos | 0 | - | 4.70 | 104,963 |
| Flags to Languages | 0 | - | 4.95 | 166,353 |
| Pictures by Letter - E | 0 | - | 3.47 | 33,205 |
| Pictures by Letter - C | 0 | - | 4.01 | 28,784 |
| Pictures by Letter - G | 0 | - | 4.10 | 26,700 |
| Pictures by Letter - L | 0 | - | 4.12 | 29,156 |
| Pictures by Letter - F | 0 | - | 4.13 | 27,537 |
| Pictures by Letter - Z | 0 | - | 4.10 | 22,424 |
| Pictures by Letter - Y | 0 | - | 4.19 | 25,082 |
| Pictures by Letter - R | 0 | - | 4.06 | 23,584 |
| Pictures by Letter - K | 0 | - | 4.14 | 23,906 |
| Pictures by Letter - I | 0 | - | 4.16 | 28,972 |
| Pictures by Letter - N | 0 | - | 4.11 | 23,304 |
| Pictures by Letter - P | 0 | - | 4.04 | 24,891 |
| Pictures by Letter - U | 0 | - | 4.07 | 19,699 |
| Pictures by Letter - T | 0 | - | 4.32 | 26,402 |
| Similar Country Flags - Multiple Choice Quiz | 0 | - | 4.96 | 46,659 |
| Car Logos Quiz #1 | 0 | - | 4.53 | 504,006 |
| Name that Bug | 0 | - | 4.10 | 44,759 |
| Islands by Shape #1 | 0 | - | 4.28 | 72,819 |
| 1970s Celebrities by Picture #1 | 0 | - | 4.20 | 55,758 |
| 1970s Celebrities by Picture #2 | 0 | - | 4.21 | 48,809 |
| Elements by Picture | 0 | - | 4.27 | 67,111 |
| Rocks and Minerals Picture Quiz | 0 | - | 4.47 | 28,325 |
| Islands by Picture | 0 | - | 4.28 | 100,488 |
| Classic Movies by Movie Posters | 0 | - | 4.44 | 22,979 |
| Geography by Picture - A | 0 | - | 4.37 | 58,822 |
| Geography by Picture - D | 0 | - | 4.14 | 44,566 |
| Geography by Picture - F | 0 | - | 4.30 | 49,815 |
| Geography by Picture - G | 0 | - | 4.39 | 46,869 |
| Geography by Picture - J | 0 | - | 4.15 | 37,536 |
| Geography by Picture - K | 0 | - | 4.28 | 32,238 |
| Geography by Picture - C | 0 | - | 4.30 | 55,852 |
| Geography by Picture - L | 0 | - | 4.35 | 57,602 |
| Geography by Picture - M | 0 | - | 4.12 | 39,558 |
| Geography by Picture - P | 0 | - | 4.22 | 41,479 |
| Geography by Picture - S | 0 | - | 4.36 | 46,025 |
| Video Game Logos Quiz | 0 | - | 4.37 | 162,186 |
| Movie Logos | 0 | - | 4.31 | 221,660 |
| History by Picture - A | 0 | - | 4.24 | 43,295 |
| History by Picture - B | 0 | - | 4.38 | 46,264 |
| History by Picture - C | 0 | - | 4.36 | 51,649 |
| History by Picture - F | 0 | - | 4.33 | 35,691 |
| History by Picture - G | 0 | - | 4.40 | 39,905 |
| History by Picture - D | 0 | - | 4.29 | 41,902 |
| History by Picture - E | 0 | - | 4.29 | 41,612 |
| History by Picture - H | 0 | - | 4.35 | 34,782 |
| History by Picture - M | 0 | - | 4.15 | 34,350 |
| History by Picture - N | 0 | - | 4.39 | 39,236 |
| History by Picture - O | 0 | - | 4.38 | 34,331 |
| Animals by Close-up Image | 0 | - | 4.41 | 210,902 |
| Mammals by Picture #3 | 0 | - | 4.43 | 58,991 |
| Aquatic Mammals by Picture | 0 | - | 4.42 | 42,896 |
| Extinct Animals by Picture | 0 | - | 4.48 | 33,052 |
| Mammals by Picture #1 | 0 | - | 4.74 | 87,305 |
| Pick a Picture - Animal Relations | 0 | - | 4.94 | 51,405 |
| 1940s Celebrities by Picture | 0 | - | 4.43 | 46,359 |
| Name that Historical Figure #1 | 0 | - | 4.64 | 309,264 |
| Name that Historical Figure #2 | 0 | - | 4.41 | 260,844 |
| Name that Historical Figure #5 | 0 | - | 4.42 | 98,654 |
| Name that Historical Figure #7 - U.S. Edition | 0 | - | 4.42 | 46,112 |
| Random Flags Quiz | 0 | - | 4.41 | 268,928 |
| Satellite Images Quiz #1 | 0 | - | 4.49 | 126,537 |
| Satellite Images Quiz #2 | 0 | - | 4.63 | 106,937 |
| Satellite Images Quiz #4 | 0 | - | 4.54 | 87,140 |
| Satellite Images Quiz #5 | 0 | - | 4.45 | 48,157 |
| Satellite Images Quiz #6 | 0 | - | 4.50 | 37,608 |
| Name the Pixelated Landmark | 0 | - | 4.85 | 59,297 |
| Cities by Picture #1 | 0 | - | 4.70 | 82,109 |
| Soccer Team Logos | 0 | - | 4.26 | 353,196 |
| Ultimate Car Logos Quiz | 0 | - | 4.74 | 156,280 |
| Car Logos Quiz #2 | 0 | - | 4.42 | 246,899 |
| Brand Logos That Start With M | 0 | - | 4.43 | 56,598 |
| Brand Logos That Start With B | 0 | - | 4.45 | 55,092 |
| Brand Logos That Start with A | 0 | - | 4.51 | 64,121 |
| Name that Nut, Seed, or Bean | 0 | - | 4.61 | 54,073 |
| Three Real and One Fake - Country Flags | 0 | - | 4.97 | 79,244 |
| Foods by Picture | 0 | - | 3.80 | 221,607 |
| Junk Foods by Picture | 0 | - | 3.69 | 93,214 |
| Christmas by Picture | 0 | - | 4.28 | 27,386 |
| Hats by Picture | 0 | - | 4.21 | 17,586 |
| Weapons by Picture | 0 | - | 4.10 | 20,133 |
| Cars by Picture | 0 | - | 3.91 | 39,022 |
| Reptile Picture Quiz | 0 | - | 4.30 | 13,707 |
| Plants by Picture | 0 | - | 4.21 | 13,838 |
| 1980s Movie Silhouettes | 0 | - | 4.97 | 96,670 |
| Women in History by Picture | 0 | - | 4.32 | 24,789 |
| Famous Foreheads #2 | 0 | - | 3.19 | 15,097 |
| Geography by Picture - E | 0 | - | 3.54 | 46,573 |
| Landforms by Picture | 0 | - | 4.35 | 19,894 |
| Geography by Picture - I | 0 | - | 3.98 | 38,634 |
| Country Flags Multiple Choice | 0 | - | 4.97 | 137,598 |
| Pictures by Letter - H | 0 | - | 3.92 | 29,263 |
| Pictures by Letter - O | 0 | - | 3.95 | 27,632 |
| Pictures by Letter - Q | 0 | - | 3.89 | 19,461 |
| Pictures by Letter - S | 0 | - | 3.80 | 19,910 |
| Pictures by Letter - W | 0 | - | 3.92 | 19,209 |
| Pictures by Letter - V | 0 | - | 3.95 | 17,069 |
| History by Picture - I | 0 | - | 4.26 | 24,693 |
| History by Picture - J | 0 | - | 4.23 | 25,212 |
| History by Picture - K | 0 | - | 4.37 | 31,561 |
| History by Picture - L | 0 | - | 4.21 | 29,200 |
| History by Picture - P | 0 | - | 4.07 | 23,930 |
| History by Picture - Q | 0 | - | 4.02 | 20,881 |
| History by Picture - R | 0 | - | 4.11 | 25,357 |
| History by Picture - S | 0 | - | 4.11 | 26,378 |
| History by Picture - T | 0 | - | 4.28 | 31,582 |
| History by Picture - U | 0 | - | 4.23 | 23,750 |
| History by Picture - V | 0 | - | 4.28 | 23,730 |
| Art Works Picture Quiz #1 | 0 | - | 4.50 | 103,811 |
| Art Works Picture Quiz #2 | 0 | - | 4.46 | 92,578 |
| Musical Instruments by Picture #1 | 0 | - | 4.52 | 262,662 |
| Shapes and Symbols #2 | 0 | - | 4.03 | 56,369 |
| Flowers by Picture | 0 | - | 4.47 | 103,175 |
| Art Works Picture Quiz #3 | 0 | - | 4.41 | 45,280 |
| Authors by Picture | 0 | - | 4.47 | 24,713 |
| Fruit and Vegetable Emojis | 0 | - | 4.41 | 69,449 |
| College Sports Logos Quiz #3 | 0 | - | 4.29 | 51,033 |
| Planets By Picture Quiz | 0 | - | 4.49 | 52,824 |
| Songs by Picture Quiz #1 | 0 | - | 4.68 | 62,020 |
| Songs by Picture Quiz #2 | 0 | - | 4.42 | 55,464 |
| Fish by Picture #1 | 0 | - | 4.41 | 105,654 |
| Animals A-Z by Picture | 0 | - | 4.10 | 63,293 |
| Mammals by Picture #4 | 0 | - | 4.06 | 32,479 |
| Birds by Picture #1 | 0 | - | 4.45 | 38,320 |
| Mammals by Picture #2 | 0 | - | 4.29 | 55,706 |
| 1960s Celebrities by Picture #1 | 0 | - | 4.26 | 67,705 |
| 1960s Celebrities by Picture #2 | 0 | - | 4.24 | 49,373 |
| 1950s Celebrities by Picture #1 | 0 | - | 4.24 | 49,572 |
| 1980s Celebrities by Picture #2 | 0 | - | 4.18 | 68,695 |
| 1980s Celebrities by Picture #1 | 0 | - | 4.02 | 59,251 |
| 1990s Celebrities by Picture #1 | 0 | - | 4.13 | 76,417 |
| 1990s Celebrities by Picture #2 | 0 | - | 4.12 | 69,032 |
| 2000s Celebrities by Picture #2 | 0 | - | 4.17 | 90,392 |
| 1950s Celebrities by Picture #2 | 0 | - | 4.29 | 44,630 |
| International Footballers by Picture | 0 | - | 4.40 | 50,364 |
| Name that Historical Figure #3 | 0 | - | 4.40 | 226,019 |
| Name that Historical Figure #4 | 0 | - | 4.29 | 149,154 |
| Name that Historical Figure #6 | 0 | - | 4.25 | 85,605 |
| Musicians by Picture #1 | 0 | - | 4.38 | 98,921 |
| Musicians by Picture #2 | 0 | - | 4.24 | 69,333 |
| Musicians by Picture #4 | 0 | - | 4.05 | 59,658 |
| Musicians by Picture #3 | 0 | - | 4.08 | 55,032 |
| Emoji Flags | 0 | - | 4.36 | 42,484 |
| Languages by Combined Flags | 0 | - | 4.69 | 70,069 |
| Satellite Images Quiz #3 | 0 | - | 4.36 | 72,146 |
| Satellite Images - Island Chains | 0 | - | 4.43 | 62,627 |
| Islands by Satellite Image #1 | 0 | - | 4.74 | 66,911 |
| Peninsulas by Satellite Image | 0 | - | 4.53 | 26,936 |
| Landmarks Picture Quiz #1 | 0 | - | 4.18 | 371,726 |
| Airline Logos | 0 | - | 4.44 | 135,496 |
| Fast Food Logos Quiz | 0 | - | 4.42 | 239,026 |
| Mostly-American Candy Logos | 0 | - | 4.07 | 150,192 |
| Brand Logos That Start With S | 0 | - | 4.39 | 52,133 |
| Brand Logos That Start With D | 0 | - | 4.33 | 56,348 |
| Brand Logos That Start With L | 0 | - | 4.40 | 55,061 |
| Brand Logos That Start With C | 0 | - | 4.14 | 45,763 |
| Vegetables by Picture | 0 | - | 4.39 | 59,074 |
| Pick a Picture - Musical Instruments | 0 | - | 4.52 | 49,326 |
| WWII Figures by Picture | 0 | - | 4.83 | 46,199 |
