Endless Run

Choose a difficulty Easy Gentle bends, few obstacles, 40 seconds for each repair, the first four circuits. Medium Sharper bends, more obstacles, a faster kraken, 32 seconds for each repair. Hard Tight bends, crowded water, a relentless kraken, 26 seconds for each repair, the hardest questions.

Choose the engine-fault questions Circuits Wire AND, OR, NOT and XOR signal boxes until the steamboat departs exactly when the order says. Coding Read a short Python snippet and pick what it prints. Harder difficulties bring trickier code. Mixed Each fault could be either one.

Leaderboard

Top 5 on Easy, saved in this browser.

No saved runs yet. Finish a run that makes the top 5 and add your name.

Devnet Leaderboard

Put your best saved run for the selected difficulty on the Solana devnet with a Phantom wallet, under your leaderboard name. Devnet uses free test SOL. The top 5 is read straight from the chain, so every entry links to its transaction.

Before You Set Off

Controls

← → or A D: Steer
◀ ▶ buttons: Steer on a touch screen
P or Esc: Pause

Mute all sound

How to Survive

Bends: steer into them, or you scrape the bank and slow down.
The kraken: it gains when you slow down. Watch the mirror.
Engine faults: Beat the timer.

Crate: slows you down.
Wave: breaks the engine.
Rock: slows you, then breaks the engine.
Whirlpool: ends the run.

Speed 0 mph

Distance 0 m

Question Practice

Every question from the engine faults, with no clock running.

The order:

Signal boxes:

How to Fix a Circuit

Pick a signal box from the drawer, then choose an empty slot on the board to fit it. You can also drag a box onto a slot.
Choose a slot with nothing picked to take its box out. Press Escape to put a picked box back.
Click an engine to get it ready or send it back to the shed, and watch which tracks clear.
When you think the order is met, run the test cycle. The inspector tries every mix of ready and idle engines.

Logical Steam

Endless Run

Leaderboard

Devnet Leaderboard

Before You Set Off

Controls

How to Survive

Paused

Question Practice

What Does This Print?

Engine Fault

You Lost!