Country Renewable Energy Share Game — Higher or Lower?
Iceland 100%. Higher-or-lower country renewable energy share quiz across 30 nations.
Higher Or Lower
Country Military Personnel Game — Higher or Lower?
China 2M troops. Higher-or-lower active military personnel quiz across 30 countries.
World’s Busiest Seaports Game — Higher or Lower?
Shanghai 49M TEU. Higher-or-lower seaport container throughput quiz across 30 ports.
Smallest Countries by Area Game — Higher or Lower?
Vatican 0.49 km². Higher-or-lower smallest country area quiz across 30 micro-states.
Longest Bridges Game — Higher or Lower?
Danyang-Kunshan 165 km. Higher-or-lower bridge length quiz across 30 of the world’s longest spans.
Longest Tunnels Game — Higher or Lower?
Gotthard Base Tunnel 57 km. Higher-or-lower tunnel length quiz across 30 of the world’s longest.
Deepest Mines Game — Higher or Lower?
Mponeng 4 km deep. Higher-or-lower mine depth quiz across 30 of the world’s deepest pits.
Longest Cave Systems Game — Higher or Lower?
Mammoth Cave 686 km. Higher-or-lower cave system length quiz across 30 of the world’s longest.
Largest Insects Game — Higher or Lower?
Goliath beetle 100g. Higher-or-lower insect body size quiz across 30 of the world’s biggest bugs.
Spider Leg Span Game — Higher or Lower?
Goliath bird-eater 30 cm. Higher-or-lower spider leg-span quiz across 30 species.