Ice Tycoon 2 Rebirth Upgrades Tier List

Rebirth Currency Basics

This tier list ranks rebirth shop upgrades — not merchant Seep through Well purchases. Use upgrade priority for plot gear; use this page for token spending. Rebirth calculator estimates break-even resets.

S-Tier Rebirth Upgrades

Flat income or melt multiplier upgrades that apply globally — every furnace tick benefits. Water throughput upgrades that stack with Well on second run. Auto-collect or quality-of-life upgrades that keep pipelines running during secret hunts.

First rebirth: prioritize anything multiplying cash melt before cosmetic or niche minigame boosts. Second rebirth: stack duplicate tiers of same S-tier line if available before branching.

• S — Global income or melt multipliers
• S — Water output upgrades matching Well-era second runs
• S — Offline or passive melt improvements if offered
• S — Rebirth tier that unlocks lava dimension efficiency

A-Tier Rebirth Upgrades

Freezer speed upgrades when cold zones already optimized — redundant with -40 placement but still valuable AFK. Dropper efficiency for faster second-run blitz. Hotel or mine reward multipliers if you repeat hotel often.

Lava dimension entry upgrades once base rebirth loop feels trivial — A-tier first reset, S-tier third reset.

B-Tier and Below

B-tier: niche minigame boosts you play once. C-tier: duplicate cosmetic unlocks. D-tier: upgrades conflicting with secrets already found — rare edge cases documented in rebirth upgrades detail page.

Never spend tokens on equivalents to merchant items you will re-buy cheaply anyway — rebirth currency is permanent; cash is fast after second run.

Multi-Rebirth Planning

First reset goal: establish S-tier income multiplier and reach Well plus elite dropper faster than first account. Second reset: push endings and lava content. Third plus: consult updates for new rebirth lines Slized Games adds.

Maintain Discord for rebirth meta shifts — no official Trello documents rebirth tier math.

Pair with late game walkthrough before first button click so tokens are not wasted on panic buys.

Sample Rebirth Upgrade Paths

First rebirth path: S-tier global income, S-tier melt multiplier if separate, A-tier water throughput, then lava dimension unlock if affordable. Skip cosmetic rebirth tiers until third reset unless you completionist badges.

Second rebirth path: stack duplicate S-tier lines, add hotel reward multiplier if speedrunning hotel, push lava efficiency before niche minigame boosts. Plot Well repurchases happen fast — rebirth tokens matter more.

Third plus rebirth: consult live patch notes for new rebirth shop lines Slized Games adds. Meta shifts when developers introduce new permanent multipliers — Discord announcements precede wiki updates by hours.

Never hoard rebirth tokens hoping for future upgrades — unspent currency earns zero while plot items you could afford with melt income stagnate. Spend S-tier rebirth upgrades immediately unless patch notes explicitly tease imminent additions within days.

Rebirth Tier Mistakes to Avoid

D-tier rebirth spend: cosmetic titles before second income multiplier. C-tier: minigame boosts you play once monthly. B-tier: duplicate niche upgrades before second S-tier core multiplier.

First rebirth players panic-buy wrong tiers — pre-read this page and upgrades detail while Well still melts on your plot.

Multiple rebirth veterans share tier paths on Discord theory channels — compare with rebirth calculator before copying blindly.

If rebirth shop offers unfamiliar upgrades after updates, wait for wiki rebirth tier refresh or moderator confirmation before spending tokens on untested lines.

Long-term accounts running five-plus rebirths should screenshot rebirth shop tiers each patch — historical comparison reveals silent buffs to formerly B-tier upgrades that suddenly become S-tier must-buys.

Treat rebirth tokens like Well at 180 savings — a planned purchase beats panic spending the moment requirements screen flashes green.