Stop Bouncing Between Outdated Slime Seas Guides
Slime Seas Wiki
This hub tracks the Slime Seas pages we've re-checked for the current build, so you can get the right guide before you waste time, materials, or rerolls.
Verified for Hub Island build
Best page for new players
Open the Mastery Guide first. Slime Seas builds are decided by weapon type (Katana / Greatsword / Scythe / Berserker), not class — and picking wrong costs rerolls.
Best page before spending rerolls
Race Tier List. Human rolls 48% of the time; you want at least an Uncommon (16-18%) before committing. Shadowborn and Dragonborn are the 0.25% Legendary targets.
Best page before farming bosses
Boss Drops. Rima at level 65 is the first farm; Ogre Lord at 255 is the crafting-material king with 41.58% Ogre Horns.
Freshest data on this site
Codes and Boss Drops are verified against the official Trello as of April 20, 2026. Races and Mastery data are sourced from Trello cards — exact buffs and PvP damage.
Most Popular Slime Seas Guides
Tracked 2026-04-21Progression Guide
Level 0 to 360+ walkthrough
6-stage route from Starter Island to Sovereign's End. Tells you what to do next, always.
Open Guide →
Tracked 2026-04-21Mastery Guide (Builds)
Before you pick a weapon type
Katana / Greatsword / Scythe / Berserker compared with exact PvP skill damage.
Open Guide →
Tracked 2026-04-21Race Tier List
Before spending a reroll
All 9 races with exact roll rates (Human 48% down to Shadowborn 0.25%) and stat buffs.
Open Guide →
Tracked 2026-04-21Boss Drops
Before farming a boss
Full loot tables for all 4 bosses: Rima, Sinbad, Ogre Lord, and Monarch Statue.
Open Guide →
Tracked 2026-04-21Worlds & Islands
Planning a zone push
All 4 zones and 11 islands with exact level gates from 0 to 360+.
Open Guide →
Tracked 2026-04-21Active Codes
Before each play session
Cross-verified active codes + one-click copy. 4 working codes.
Open Guide →
Tracked 2026-04-21Chests Guide
Zone 1 weapon farming
Forest / Elder / Lord chest drop tables with exact 5-slot percentages.
Open Guide →
Tracked 2026-04-21Weapons List
Looking up stats
28+ weapons with level requirements, base damage, and source.
Open Guide →
Tracked 2026-04-21Armour Sets
Picking a defense target
13 armour sets by tier. Iron Novice 540-660 DEF, Slime Lord 900-1,100 DEF.
Open Guide →
Tracked 2026-04-21NPCs & Pet System
Before asking 'how do I get a pet?'
5 NPCs explained, including Ash's drake egg unlock after Rima.
Open Guide →
Tracked 2026-04-21Crafting & Blacksmith
Before spending crystals
First upgrade is free, 5% reduction per success. Potion tiers included.
Open Guide →
Tracked 2026-04-21Gamepasses
Before spending Robux
6 passes rated by priority. Extra Boss Drop wins for most players.
Open Guide →
What Is Slime Seas?
Slime Seas is a fast-paced open-world action RPG on Roblox by the Slime Slaying Online group (creator: Chris_Burton). Beta launched January 22, 2026. You hunt slimes and bosses across 4 zones, upgrade a weapon-type Mastery (Katana, Greatsword, Scythe, or the gamepass-gated Berserker), reroll for one of 9 races, and craft gear at the Blacksmith. Guilds, Trading, and PvP are in the game alongside solo PvE progression.
Slime Seas Zones and Islands
Zone 1: Slime Forest
- Lvl 0Island 1: Starter Island
- Lvl 30Island 2: Crimson Ruins
- Lvl 65Island 3: Rima's Spire· Demon Lord Rima
Zone 2: The Dunes
- Lvl 90Island 4: Desert Island
- Lvl 125Island 5: Guild Headquarters
- Lvl 160Island 6: Sinbad's Keep· King Sinbad
Zone 3: Goblin Ruins
- Lvl 190Island 7: Goblin's Landing
- Lvl 220Island 8: Shattered Hollow
- Lvl 255Island 9: Ogre Lord's Bastion· Ogre Lord
Zone 4: Shadow World
- Lvl 315Island 10: Duskfall Isle
- Lvl 360Island 11: Sovereign's End· Monarch Statue
11 islands across 4 zones. Source: official Slime Seas Trello Worlds list.
Slime Seas Progression Path
- Levels 0-30: Starter Island → Crimson Ruins. Pick a Mastery (Greatsword is the safest first pick).
- Level 65: Farm Demon Lord Rima at Rima's Spire for Iron Novice / Slime Lord armor.
- Levels 90-160: Push into The Dunes; clear King Sinbad at Sinbad's Keep for the Thornblade.
- Levels 190-255: Goblin Ruins zone; farm Ogre Lord for Ogre Horns and the Doomblade.
- Level 315+: Shadow World; fight the Monarch Statue for Shadow Steel / Igris sets.
Best Pages for New Players
- Mastery Guide — Katana / Greatsword / Scythe compared with PvP damage numbers.
- Race Tier List — reroll Human (48% roll) to at least Uncommon before committing.
- Active Codes — claim HUBISLAND, SLIMEPIECE, FREEBOOSTS, 1MILLIONVISITS on your first login.
Best Pages for Farming and Optimization
- Boss Drops — Ogre Lord at 41.58% Ogre Horns is the top material farm.
- Crafting & Blacksmith — first upgrade is free; dismantle duplicates into crystals.
How This Wiki Tracks Accuracy
All data on this site is sourced from the official Slime Seas Trello board (last scraped 2026-04-20), the Roblox Games / Badges / Thumbnails APIs, and cross-verified community pages. Each page has a Source line at the bottom of its main data table. When the developer updates the Trello, we re-pull and version the change.
Slime Seas FAQ
What is Slime Seas?+
Slime Seas is a fast-paced open-world action RPG on Roblox by the Slime Slaying Online group. Players fight progressively tougher slimes across four zones (Slime Forest, The Dunes, Goblin Ruins, Shadow World), upgrade Mastery for Katana / Greatsword / Scythe / Berserker, and farm 4 world bosses.
Is Slime Seas still in beta?+
Yes. Slime Seas launched Beta on January 22, 2026, and receives regular patches. The Beta Player badge confirms that launch date. Expect mastery balance and drop tables to shift between updates.
How many races are in Slime Seas?+
Nine races across five rarity tiers: Human (Common, 48%), Fishman and Skypiean (Uncommon, 16-18% each), Elf and Oni (Rare, 6-7.5%), Lunarian and Djinn (Fabled, 2%), Dragonborn and Shadowborn (Legendary, 0.25% each).
How many bosses are in Slime Seas?+
Four: Demon Lord Rima (level 65, 4,000 HP), King Sinbad (level 160, 15,000 HP), Ogre Lord (level 255, 45,000 HP solo / 90,000 trio), and Monarch Statue (level 360+, 160,000 solo / 300,000 trio).
Where do I redeem codes in Slime Seas?+
Open the in-game shop menu, find the code text box, paste a code, and press Submit. The codes page on this site lists the 4 currently active codes and the expired list.
Which Slime Seas guide should beginners read first?+
Start with the Mastery Guide (Best Builds) to pick Katana / Greatsword / Scythe. Then Race Tier List before using rerolls. Boss Drops and Crafting open up once you hit level 65 for Rima.