ResearchCity-Builder Water Systems: Think Beyond the Capacity Bar
Read city-builder water systems as models: separate capacity, demand, quality and maintenance, then explore why real water operations require measured inputs.
Read the storyMove a tower, one disc at a time. Small steps unlock a surprisingly deep puzzle.
Your goalMove the four-disc tower from the left peg to the right peg.
ControlsTap the source peg, then the destination peg.
Rules & scoringMove one disc at a time. A larger disc can never rest on a smaller one. Four discs can be solved in a minimum of 15 moves.
Choose New game to restart. Your active board resets on refresh.
Use the controls above to start a fresh round. Your device handles the game; no account, payment or download is needed. Rules and supported modes are shown in the game itself.
Progress rewards belong to this browser. Closing or refreshing a page starts a fresh game unless a game explicitly offers a saved state.
ResearchRead city-builder water systems as models: separate capacity, demand, quality and maintenance, then explore why real water operations require measured inputs.
Read the storyClear your head and fill the grid. Every row, column and box needs all nine numbers.
Read the clues. Mark the danger. Clear a safe path through the hidden minefield.
Slide, merge and think one move ahead. Can you make the legendary tile?
Take a little, leave a trap. Remove the final token to win this classic logic duel.