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About Coin Harvest
Coin Harvest is a casual, single‑player idle game where coins flow from a pipe onto a plateau. Robotic arms sweep the growing heap into chutes, converting each coin into income. Players can tap “Pour” for extra coins or unlock Auto‑Pour to let the pipe run automatically, while rapid clicks build a temporary boost multiplier.
The game features six realms—from Brass to Frost—each with its own coin type and a special rule that changes how coins behave. Progression involves unlocking up to six islands per realm, purchasing upgrades for each arm, moving coins between realms at the Exchange, and ascending to earn crystals for permanent upgrades.
01 / THE GUIDE
Coin Flow Mechanics
Coins pour from a pipe onto a plateau, forming a heap that robotic arms sweep into chutes. Clicking “Pour” adds more coins, and unlocking Auto‑Flow lets the pipe run without manual clicks, keeping the heap growing continuously.
Fast clicking creates a boost multiplier that grows while clicks continue. The multiplier boosts earnings while it lasts, rewarding sustained rapid interaction.
- Try short bursts of rapid clicks to build a boost, then pause to let the multiplier apply to incoming coins.
- If you prefer hands‑free play, enable Auto‑Flow and focus on purchasing arm upgrades.
02 / THE GUIDE
Islands and Arm Upgrades
Each realm can hold up to six islands, each equipped with its own robotic arm. Arms can be upgraded for speed, size, magnetism, lucky drops, and critical hits by spending coins earned from the heap.
Upgrading an arm changes how quickly and efficiently it sweeps coins into chutes, directly affecting income. Different upgrade types let players prioritize faster collection, larger sweep areas, or special effects such as increased crit chance.
- Consider buying speed upgrades on islands where coins appear quickly, and magnetism upgrades where the heap spreads out.
- Test lucky‑drop upgrades on islands that receive higher‑value coins to see if extra drops boost earnings.

03 / THE GUIDE
Realms and Special Rules
Six realms—Brass, …, Frost—each introduce a distinct coin type and a rule that changes gameplay. Heavy Coins pour slowly but pay more, Sparkling Crits land often and hit hard, and Frozen Time makes boost durations longer.
These realm‑specific rules encourage different upgrade priorities. In a Heavy Coin realm, value‑focused upgrades may outweigh speed, while in a Frozen Time realm extending boost windows can increase overall earnings.
- In Heavy Coin realms, prioritize upgrades that raise coin value rather than collection speed.
- Use the longer boost periods in Frozen Time realms to maximize multiplier gains before it fades.
04 / THE GUIDE
Ascension and Crystals
When a realm accumulates enough earnings, it can be ascended. Ascension resets the realm but awards crystals, which are spent in the Crystal Shop for permanent upgrades that persist through future ascensions.
Permanent upgrades include more income, free islands, cheaper exchanges, and the Auto‑Pour ability. One‑off boosts such as Gold Rush and Time Warp are also purchasable with crystals.
- Invest crystals in permanent income upgrades first for lasting benefit across all realms.
- Buying the Auto‑Pour ability early can free up clicks for other tasks like upgrade purchases.
05 / THE GUIDE
Widget and Fullscreen Interface
Coin Harvest runs as a small transparent widget that can be dragged anywhere on the desktop and kept on top. The widget continues earning while the player works or plays other applications.
Players may switch to fullscreen mode at any time, providing a larger view of the heap and arms.
- Keep the widget on top while multitasking to monitor earnings without interrupting other work.
- Switch to fullscreen when planning upgrades to see all islands and arms clearly.





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