Coins
Reported in code rewards and likely tied to early upgrades or zones.
Roll to Defend Coins, Brains and Rebirths Wiki
Track coins, brains, rebirth mentions, luck boosts, and roll boosts from collected public references without inventing upgrade costs or exchange formulas.
Brains
Reported in code rewards and mentioned by public guide pages as a progression and rebirth resource.
Rebirths
A current guide topic tied to brains and progression, but exact requirements and permanent bonuses still need an in-game check or a developer post.
Luck boost
Reported as part of the ROLL reward. Exact multiplier is not verified.
Roll boost
Reported as part of the ROLL reward. Exact duration and effect are not verified.
Held data
Costs and formulas still need proof
Zone prices, upgrade costs, rebirth formulas, boost multipliers, and roll rates should stay out of calculators until a reliable table is collected.