Like and group bonus
The public game description mentions +1 Digging Luck for liking and joining the group.
Mine a Mountain Digging Luck Guide
The official Roblox description says liking the game and joining the group grants +1 Digging Luck. Exact drop-rate math still needs live testing.
Verified wording
What is known
Keep the confirmed bonus separate from untested claims about rare crystal odds or exact cash value.
Rare crystal odds
Do not publish exact odds until repeated in-game samples or creator notes support them.
Route and upgrade checks
Luck may matter more once your route reaches crystal spots where rarity can actually pay off.