Update: We found 6 new Slime Seas codes on April 19, 2026 and added them to the list.
Slime Seas is an open-world action RPG on Roblox where players hunt progressively tougher slimes, gather rare materials, and forge stronger gear to push into new regions. The developer rotates free codes tied to visit milestones, like counts, and patch releases, and those codes hand out race rerolls, EXP and gold potions, chest keys, and temporary combat buffs.
Working Slime Seas codes
Codes are case-sensitive. Copy and paste each one exactly as written to avoid input errors on mobile.
COMBATCHANGESNEW — 30 minutes of +30% Power and 3 Rare KeysFREEBOOSTSNEW — Assorted boost rewards1MILLIONVISITSNEW — 3 Fabled Chest Keys and 30 minutes of Greater LuckYAY5000NEW — 30 minutes of +50% EXP and 2x Luck1KLIKESWHOONEW — BETA Slayer titleDEEPFREEZENEW — 30 minutes of Frost Defense Tier 1HUBISLAND— 3 Race Rerolls and a 30-minute Superior Gold PotionSLIMEPIECE— 2 Race Rerolls and 30 minutes of Superior EXP
Expired Slime Seas codes
The launch code no longer works and can be skipped.
RELEASE— Launch reward
How to redeem codes in Slime Seas
Redemption happens inside the in-game shop once the world has fully loaded. Launch Slime Seas on Roblox from the experience page to get started.
Step 1: Load into Slime Seas and wait for your character to spawn in the world. Finish the short opening tutorial on a new account so the main interface becomes available.
Step 2: Open the shop by clicking the shop button on the side of the screen. The code input box lives inside this shop window.
Step 3: Type or paste one working code into the text box, keeping exact capitalization and making sure there are no extra spaces before or after it.
Step 4: Press the submit button to confirm. A valid code applies the reward instantly, and any timed buffs like EXP or Luck begin counting down right away.
Because potions start the moment the code is accepted, save boost codes for active sessions where you plan to grind tougher slimes, open chests, or chase race rerolls. Stacking an EXP code with a Luck code squeezes the most value out of each 30-minute timer.
What each reward does
Most Slime Seas codes fall into a handful of reward categories tied directly to progression, gear, and character setup.
| Reward | Effect |
|---|---|
| Race Reroll | Rerolls your character's race for a shot at a stronger or preferred bloodline. |
| Superior EXP Potion | Boosts XP gained from slimes and quests for the timer's duration. |
| Superior Gold Potion | Increases gold drops to help fund upgrades and crafting. |
| Greater Luck | Raises drop chances on rare materials and gear. |
| Fabled Chest Key | Opens high-tier chests for late-game loot. |
| Power Boost | Adds percentage damage for the timer, useful against bosses. |
| Frost Defense | Temporary defensive buff against cold-based enemies. |
| BETA Slayer Title | Cosmetic title tied to an early community milestone. |
Race Rerolls sit in your inventory until you choose to spend them, so there is no rush to use them right after redeeming. Timed potions, in contrast, begin counting down the moment the code is accepted.
Where new Slime Seas codes come from
Fresh codes typically drop alongside major content updates, such as the Hub Island patch, and during visit or like milestones on the Roblox experience page. The developer group behind the game also releases occasional bonus codes during community events.
The fastest way to catch limited-time drops is the official Slime Seas Discord server, where patch notes and new codes are posted directly by the team. We check for new codes regularly and refresh the working list above whenever a code is added or retired.