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.

Developer: Lonely Knight. Publisher: Enter the Game Studios.

Tags: Idler, Simulation, Free to Play, Casual.

Steam reviews: Mixed (47% of 119).

Price: Free to play on Steam.

Released 2026-09-19.

Slime Trader on Game Goose · Steam store page

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