Coin Weighing Game Online - Play Free Fun Logic Puzzles
Coin Weighing turns classic logic into a royal challenge! The king has received a bag of gold, but one coin is counterfeit - and only you, the master of the mint, can uncover it. The twist? The fake coin might be lighter or heavier, and you've only got a limited number of weighings to figure it out! Choose anywhere from 3 to 39 coins, or hit Random for a surprise, then drag up to 20 coins onto each side of the scale to test your theory. Watch the scale tip, rethink your strategy, and reset as needed - but act fast, your score ticks down with every second! When your weighings are used up, choose the suspect and declare whether it's heavier or lighter. If you're right, you'll earn a royal-worthy score. Smart, tense, and incredibly satisfying, Coin Weighing is the perfect test of logic and deduction. Show the kingdom your brilliance and expose the fake gold!
10,262 play times
How to Play Coin Weighing Game
Use your mouse to play this free game. First Select the number of coins you want to play with. Drag the coins into the scale, and click the red button to weight the coins, but be aware it is only a limited number of times you are allowed to weigh the coins.
Scale-Savvy Logic - Review of Coin Weighing
The online game Coin Weighing presents a classic logic puzzle in an interactive form: you're given a set of coins, one of which is counterfeit (either heavier or lighter than the rest), and your task is to identify that odd coin using a balance scale in a limited number of weighings. As described on similar puzzle sites, the objective is to find the fake coin using the minimum weighings allowed. This setup turns what looks like a simple “weigh and guess” game into a satisfying mental challenge.
What stands out is how Coin Weighing engages your deductive-reasoning skills more than reflexes. Each weighing gives you clues-left pan heavier, right pan heavier or balanced-and your success depends on interpreting those results strategically. The pace is calm and contemplative rather than frantic, making it ideal for players who enjoy brain-teasers and logic puzzles. The interface typically keeps things neat: drag coins onto pans, weigh, interpret the result, and repeat until you isolate the fake coin and decide whether it's heavier or lighter.
However, because the format is narrowly focused on one type of puzzle, the experience may feel somewhat static after repeated play. The core cycle-place coins, weigh, analyze results-remains consistent and doesn't branch into substantially new mechanics or modes. If you're craving evolving challenges, varied level types or narrative progression, you might find Coin Weighing modest in scope. But if your goal is a clean, logic-focused puzzle where you can sharpen your reasoning and enjoy a quiet mental workout, it hits the mark nicely.
What are Balance Puzzles
According to AI a balance puzzle is one of a number of logic puzzles based on the balancing of similar looking items - often coins - to determine which holds a different value within a limited number of uses of the balance scales. These differ from puzzles that assign weights to items, in that only the relative mass of these items is relevant. To find a solution, we first consider the maximum number of items from which one can find the lighter one in just one weighing. To find the lighter one we can compare any two coins, leaving the third out. If the two coins tested weigh the same, then the lighter coin must be one of those not on the balance.
