Goop Guide

Goop is the rebirth currency in Slime RNG — spend it to rebirth for a permanent luck multiplier. Here is how to unlock Goop drops, the full upgrade tree, every rebirth cost, and how to farm efficiently.

10,000,000Unlock cost (coins)

6Upgrade nodes

500First rebirth cost

85%Max drop chance

Cross-source verifiedUpdated 2026-05-31

What is Goop?

Rebirth currency

Type: Permanent currency (does not reset on rebirth)
Earned from: Enemy drops after unlocking the Goop Branch (10M coins)
Spent on: Rebirth — trade Goop for a permanent luck multiplier
Key fact: Unspent Goop carries over through rebirth. Only the amount consumed is lost.

How to Unlock

2 prerequisites

Reach Simultaneous Enemies Lv3 — Upgrade Simultaneous Enemies to level 3 in Loot Upgrades first.
Buy the Goop Branch — Costs 10,000,000 coins in Loot Upgrades. After purchasing, enemies start dropping Goop.
Start farming — Kill enemies in the highest zone your team can handle. Each kill has a chance to drop Goop alongside coins.

Upgrade Tree

6 nodes

The Goop upgrade tree is a linear chain in Loot Upgrades. Each node requires the previous one. Costs scale dramatically — plan your coin income accordingly.

#	Upgrade	Cost	Effect
1	Goop Branch	10,000,000 coins	Unlocks Goop drops from enemies. Required for all Goop progression.
2	Goop Drip	250,000,000 coins	Passively generates Goop over time, even when not actively killing enemies.
3	Goop Chance I	1,000,000,000 coins	Increases the chance that enemies drop Goop on defeat.
4	Goop Chance II	5,000,000,000 coins	Further increases Goop drop chance from enemies.
5	Goop Chance III	1,000,000,000,000 coins	Major increase to Goop drop chance — near-guaranteed drops.
6	Goop Chance IV	10,000,000,000,000,000 coins	Maximum Goop drop chance (85%). Enemies almost always drop Goop.

Rebirth Costs

5 levels

Each rebirth gives a bigger permanent luck multiplier. Costs roughly double per level. See the Rebirth Guide for full mechanics.

Rebirth	Goop Cost
Level 1	500
Level 2	1,000
Level 3	2,000
Level 4	4,000
Level 5	8,000

Farming Strategy

5 tips

Max Goop Chance first — Each Goop Chance upgrade dramatically increases drop rate. At max level, enemies drop Goop ~85% of the time.
Farm the highest clearable zone — Higher zones give more Goop per kill. If enemies take too long to die, drop back one zone.
Unlock Goop Drip early — 250M coins for passive Goop generation. It adds up while you are offline or farming coins.
Stack luck boosts during Goop farming — You earn rare slime drops and Goop at the same time. Use Luck Potions + codes for double benefit.
Don't hoard before rebirth — Coins reset on rebirth. Spend everything on upgrades before rebirthing, then farm Goop for the next level.

Goop FAQ

What is Goop in Slime RNG?

Goop is the rebirth currency in Slime RNG. You spend Goop to rebirth, which resets your coins and zone progress but gives a permanent luck multiplier that never goes away. Goop itself is permanent and does not reset on rebirth.

How do you unlock Goop drops in Slime RNG?

Purchase the Goop Branch in Loot Upgrades for 10,000,000 coins. You also need Simultaneous Enemies at level 3. After unlocking, enemies have a chance to drop Goop alongside coins.

How much Goop do you need for your first rebirth?

The first rebirth costs 500 Goop and gives 1.82x luck. Costs double each level: 1,000, 2,000, 4,000, and 8,000 Goop for Rebirths 2-5. Each level multiplies luck by another 1.82x (cumulative).

Does Goop reset when you rebirth?

No. Goop is a permanent currency. It is spent (consumed) when you rebirth, but any leftover Goop carries over. You do not lose unspent Goop on rebirth.

What is the best way to farm Goop?

Upgrade Goop Chance as high as you can afford — at max level enemies drop Goop ~85% of the time. Farm in the highest zone your team can efficiently clear for maximum Goop per minute. Stack luck boosts during Goop farming for bonus rare slime drops.

What is Goop Drip in Slime RNG?

Goop Drip is a Loot Upgrade that passively generates Goop over time, even when you are not actively killing enemies. It costs 250M coins and requires the Goop Branch to be unlocked first.

Editor’s note

Goop Chance upgrades are the single best coin investment for rebirth speed. The jump from base drop rate to Goop Chance IV (85%) cuts farming time by more than half. Prioritize this over zone pushing once you have the Goop Branch unlocked.

The Slime Desk · 2026-05-31