Unbox A Factory Tier List (April 2026)

Use progression value, long-run flexibility, and evolution payoff to decide which factories are worth keeping or replacing.

Current Heuristic Ranking

S Tier: factories that stay relevant after evolution and compound visitor income well.
A Tier: strong mid-game carries with reliable upgrade efficiency.
B Tier: useful early or situational factories that should not absorb too much late-game cash.
C Tier: replace quickly unless they fill a short collection gap.