: You must wait 72 hours between challenges. Challenges and tournaments are the primary ways to earn stars, which permanently boost item values. Handy Reference Data How to use boosts in Idle Miner effectively?

| Building | Level | Cost to Next Level | Production Impact | |----------------|-------|--------------------|-------------------| | Iron Mine | 0 | 0 | +0 Iron/min | | Titanium Mine | 0 | 0 | +0 Titanium/min | | ... | ... | ... | ... |

: This focused tool allows you to input your current bonuses to see the real-time value of ores and alloys , which is essential for planning long-term crafting chains.

In 2026, the game has evolved. New projects, different challenge structures, and updated alloy values mean old spreadsheets might offer sub-optimal advice. An updated spreadsheet helps you:

When creating a new spreadsheet for Idle Planet Miner, consider the following features:

List room levels, manager bonuses, and beacon settings to copy the most efficient setup before joining a tournament.

Because the Motherlode Mine resets every 3 days, you need a temporary sheet variable. A cutting-edge "Idle Planet Miner spreadsheet new" includes a tab where you input your active MLM cards and it calculates the optimal raw ore to sell for Motherlode points.

The Debris Scanner used to be a lottery. Now, it is a science. New spreadsheets include probability tables for Advanced Computers and Nuclear Reactors based on your planetary asteroid generation rate.

: This specialized sheet, updated as of June 2025 , allows you to calculate the exact dollar-per-second earnings for each planet while accounting for Alchemy, Mining projects, and badges.

Using a spreadsheet prevents "over-upgrading." Often, players spend billions on Planet 20 when Planet 15 with a 2x Manager would be more profitable.