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Slime Trader

Slime Trader

Summon, place, and merge slimes to stop the larvae pouring from the pen. Collect 111 slimes across 12 grades from F to XXX, grow through runes and rebirths, trade eligible Steam Inventory items, and climb the stage leaderboard in this casual pixel-art horde defense game.

Released Sep 19, 2026 Developer Lonely Knight Publisher Enter the Game Studios Platforms Windows IdlerSimulationFree to PlayCasualTrading
View on Steam ↗ Free (US · as of 2026-09-26)

What players say

Steam review score and the most-helpful voices, which may include critical ones. Score via Steam as of 2026-09-26.

41.4%positive99 reviews
Recommended · 4 found this helpful

“Pretty fun idle game where you merge slimes together and keep trying to upgrade your fleet, with increasingly difficult odds of success with the merge-crafting. You can export your items to Steam to trade them or put them on the market. Seems to work pretty good, fun so far!”

— a player, Steam review · 7 hrs played
Not recommended · 27 found this helpful

“AI slop that's a low effort idle game in a long line of them all about Steam inventory items to make money with no over-sight with forced online play and has horrible server synchronization with an RNG system for accessories and pulling, merging slimes (horrid % of success the…”

— a player, Steam review · 12 hrs played
Not recommended · 20 found this helpful

“SS 65% success chance, then fails 6x of 8 times S 80% success chance fails 4x of 5 times S 80% success chance fails 5x of 5 times. This really bad RNG.”

— a player, Steam review · 154 hrs played
Read more reviews ↗

Achievement stats

Global completion rates across all Steam players — a data view of how far people actually get. Source: Steam official stats · as of 2026-09-26.

100achievements
54.5%median completion
1.1%rarest: Slime Codex 100
90.2% of players 90.2% of players 89.6% of players 88.6% of players 88.2% of players 88.2% of players 87.2% of players 87.1% of players 85.7% of players 85.0% of players 81.9% of players 81.8% of players 81.2% of players 81.1% of players 79.4% of players 79.0% of players 78.9% of players 78.6% of players 78.0% of players 76.3% of players 75.6% of players 75.2% of players 73.4% of players 72.3% of players 71.7% of players 71.1% of players 70.0% of players 70.0% of players 69.8% of players 67.2% of players 65.9% of players 65.4% of players 63.1% of players 62.9% of players 62.8% of players 62.5% of players 61.2% of players 60.8% of players 60.6% of players 60.1% of players 59.7% of players 59.4% of players 58.5% of players 57.6% of players 56.8% of players 55.7% of players 55.6% of players 55.4% of players 55.3% of players 55.2% of players 54.5% of players 53.1% of players 52.6% of players 52.0% of players 52.0% of players 51.6% of players 51.0% of players 50.9% of players 48.0% of players 46.7% of players 90.2% 0% most earned rarest
Almost everyone has
90.2%Draws: 1 — Draw once.
90.2%Slime Codex 1 — Discover 1 slime.
89.6%Merges: 1 — Merge once.
Rarest badges of honor
1.1%Slime Codex 100 — Discover 100 slimes.
1.1%Rune Draws: 1,000 — Draw 1,000 runes.
1.3%Rebirths: 100 — Rebirth 100 times.

Latest official news

Developer announcements via the Steam news API — links go to the original posts. More across all games on the news hub.

Sep 22, 2026
Update & Roadmap

Update Details This update includes the following improvements and new content: Chat lag optimization Server optimization Added the Enter the Game game promotion A Note to Our Community No cheaters ha

Sep 20, 2026
Emergency Server Maintenance — September 20

Hello, this is the Slime Trader team. We are carrying out emergency maintenance to resolve a server issue. Logging in and using features that require a server connection may be unavailable during this

Sep 17, 2026
Release Date Update — Launching September 19

Hello, this is the developer of Slime Trader. Steam’s required minimum two-week waiting period has not yet ended, so we are unable to release the game today as planned. Slime Trader is now scheduled t

Screenshots

Official Steam store screenshots — click any shot to enlarge.

Facts & details

From the Steam store record, snapshot 2026-09-26.

GenresCasual, Indie, Simulation, Strategy, Free To Play
Player tagsIdler · Simulation · Free to Play · Casual · Trading · Indie · Auto Battler · Strategy · Collectathon · Creature Collector · Desktop Companion · Tower Defense (Steam store community voting)
FeaturesSingle-player · Steam Achievements · In-App Purchases · Mouse Only Option · #category_playable_at_your_own_pace · Playable without Timed Input · #category_playable_without_vision · Save Anytime
LanguagesEnglish, French, Italian, German, Spanish - Spain, Japanese, Korean, Portuguese - Brazil, Russian, Simplified Chinese, Thai, Traditional Chinese, Vietnamese
Achievements100
Official sitehttps://www.enterthegamestudio.com
Minimum system requirements (PC)

Minimum: OS: Windows 10 Processor: Intel i5+ Memory: 8 GB RAM Graphics: Nvidia 450 GTS / Radeon HD 5750 or better Storage: 300 MB available space