One question set, multiple game modes. Tap any game to see it in action. Not sure which to pick?
Answer to place stones and capture territory.
Outrun the snow together.
Earn blasts, then hunt the other team.
Answer to earn energy, then climb.

The class blasts through walls together.
Bid on mystery lots. Most money wins.
Sell tours. Nice, standard, or a total scam.
Answer, restock, and serve the rush.
More correct answers pulls the rope your way.
Answer, then shoot down the alien wave.
Answer, then tap to leap the frozen ridge.
hạn hán | The river carries less water every year because the ______ continues.
giếng nước | Reaching underground water often requires digging a deep ______.
đập | WaterAid builds a sand ______ to collect and filter rainwater.
máy bơm | A ______ near the river pushes water uphill toward the mountain.
hồ/bể chứa nước | Water is pumped uphill and stored in a ______ on top of the mountain.
đường ống | Water travels from the reservoir to the villages through a ______.
rãnh dài đào dưới đất | Villagers dig a ______ before laying water pipes underground.
vòi nước | In the future, families may have a ______ only a few minutes from their homes.
đi lấy / vận chuyển nước nặng nhọc | Women may spend several hours each day going to ______ water from the river.
trồng trọt | With clean water nearby, families can spend more time trying to ______ crops.
thay đổi hoàn toàn | Easy access to clean water can ______ an entire community.
dồi dào, nhiều hơn đủ | In developed countries, people can often get ______ clean water simply by turning on a tap.
vệ sinh | Dirty water and poor ______ can cause serious diseases, especially among children.
xa xôi, hẻo lánh | Providing clean water is especially difficult in ______ villages far from towns.
hỏng / ngừng hoạt động | Many water projects ______ soon after the organisations that built them leave.
bảo trì / giữ trong tình trạng tốt | Local committees are trained to run and ______ new water projects.
Crack the passcode before the zombies get in.
Answer, then swat bugs for bonus points.
Race through questions at your own speed.
Same question on every screen. Fastest wins.

Pick a tile, answer, hit bonuses and steals.
GB9 WB U1: Vocab and Grammar
14 questions