Stakes
Something to figure out, someone to beat, or something to survive.
Buoy RecoveryThe last fix is old and wrong. Lead the drift or lose the light.playable · beginner · v0.1.0
Crash InvestigatorThe wreckage, the recorder, the witnesses. One of them is wrong.playable · intermediate · v0.1.0
Blackout PostmortemForty logs, one clock you can trust. Find what started it and the two things that let it run.playable · intermediate · v0.1.0
Outbreak DetectiveTwo hundred cases. One curve. Maybe two outbreaks.playable · intermediate · v0.1.0
Find the LeakThree hundred kilometres, eleven gauges, one of them lying.playable · intermediate · v0.1.0
Coast Guard Night WatchA mayday with a bad position. A helicopter with a clock. Three people in cold water.playable · intermediate · v0.1.0
Organ TransportFour hours on the clock. Three airports. The forecast is getting worse.playable · intermediate · v0.1.0
Launch DirectorT-minus two hours. Everything that goes wrong costs window. Scrub or go.playable · intermediate · v0.1.0
Hurricane Landfall NightThe gauges are rising. The buses are still out. The mayor is on the line.playable · intermediate · v0.2.0
Exchange in a CrashForty percent down. The queue is growing. Halt, throttle, socialise, or borrow.playable · intermediate · v0.1.0
Asteroid ImpactSize, velocity, angle, target. Then the years after.playable · beginner · v0.1.0
Catastrophe PackSupervolcano, megatsunami, solar storm. Each one ends in a grid or a climate.playable · beginner · v0.1.0
Dim the SunOne slider. Fifty years. Crops and ice.playable · beginner · v0.1.0
Geoengineering MegaprojectsFour real proposals. The physics that decides each one.playable · beginner · v0.1.0
Dam RemovalEvery dam off the river. Sediment, salmon, floods, a town, thirty years.playable · beginner · v0.1.0
Absurd PhysicsSilly questions. Real models. Every assumption stated.playable · beginner · v0.1.0
AdriftTwenty litres, three people, and a search that is looking somewhere else.playable · intermediate · v0.1.0
Stranded on MarsFour hundred sols. Oxygen, water, food, power, and a rover with a range.playable · intermediate · v0.1.0
Winter-OverMinus seventy outside. The generator is dead. Sixty days until anything can land.playable · intermediate · v0.1.0
On the BottomThirty-two people, one compartment, and the CO₂ curve.playable · intermediate · v0.1.0
Plane Down, YukonMinus twenty-five. A wreck, a river, a search looking somewhere else, and a walk you may not survive.playable · intermediate · v0.1.0
Space RaceTwo agencies, ten years, one landing. The other side is playing the same game.playable · intermediate · v0.1.0
Railroad BaronsLay track, set rates, and buy the rival before the rival buys you.playable · intermediate · v0.2.0
Chip WarTwo fabs, four nodes, one customer who buys from whoever yields.playable · intermediate · v0.1.0
Rocket StartupsReusable or expendable, and a runway measured in launches.playable · intermediate · v0.1.0
Airline Price WarRoutes, fleets, fuel, and a low-cost rival that never blinks.playable · intermediate · v0.1.0