Yes — Polyslime is free to play, so you can install and play it without buying anything.

Is Polyslime Steam Deck compatible?

Mostly. Valve rates Polyslime Playable on Steam Deck: it runs, but may need some manual tweaking — a community controller layout, or zooming in on small text.

Can I play Polyslime on Mac?

Not natively — Steam lists no macOS version of Polyslime. Mac players would need a cloud gaming service or a Windows compatibility layer.

Does Polyslime have co-op?

Yes — Steam lists Polyslime with online co-op.

Is Polyslime on PC Game Pass?

No — Polyslime is not on PC Game Pass right now.

Polyslime

Name: Polyslime
Brand: Unknown
Availability: InStock

Unknown · October 13, 2021 · Action, Strategy, Auto Battler, 2D Platformer, Hack and Slash

Polyslime is free to play — no purchase needed. We track it so you know if that ever changes.

Action deals Strategy deals

8 user reviews88% · 8

Best price

Free

Get it free on Steam

This game is free to play. Get it on Steam →

Screenshots

Polyslime price

Polyslime is free to play — there is no purchase price, on Steam or anywhere else we track. We keep watching it, so if it ever stops being free the price history on this page will show when that happened and what it changed to.

About Polyslime

An action survival game where you will craft weapons to survive waves of slime monsters.

Polyslime — game info

Platforms: Windows
Steam Deck: Playable
Player modes: Single-player, Online co-op
PC Game Pass: Not included

What Steam players say

Recent verbatim reviews from Steam — separate from playze.io community reviews below.

✦ AI summary

Players are divided on Polyslime, with some finding it charming and enjoyable enough for a free game, while others dismiss it as a janky, low-effort brawler with notably poor graphics that detract from the experience. The main complaint centers on the game's visual presentation and overall lack of polish, though supporters appreciate it as a lighthearted, casual experience.

Recommended Oct 17, 2021

Good good

2 found this helpful

Recommended Mar 29, 2023

[h1]Before I played Polyslime, I had a small pp, no friends, no gf, depression, and no life. These things havent changed, but the game is pretty good[/h1]

1 found this helpful

Not recommended Sep 1, 2025

"Polyslime" is not a game that features low poly "art", it's even worse, it's just a janky brawler/beat 'em up without any real content or interest for gamers. The graphics are notably awful and overall this is probably about an afternoon's effort that seems to have been published as a "joke" or something. The graphics here are particularly awful, so bad that it actually stands out as one of the worst looking games on Steam. Quite an accomplishment. It's a big contributor to the failure of the game to attract gamers despite having no up-front cost. Gaming is a primarily visual medium, and if developers want to succeed, they must understand that it's not an area for compromise. This was made with the godawful "GameMaker Studio" construction kit/toolset, which is popular amongst amateur developers because it handholds you through making really crap 2D games that you can publish for $100 on Steam Direct. This lets you pat yourself on the back for pretending to be a real game developer, which explains why GameMaker Studio is responsible for so much ignored garbage on Steam. GameMaker Studio has never really been used to make a truly successful game, but that doesn't stop peopl…

Recommended Jul 2, 2022

Like a warm, brisk, and refreshing caramel honey tea on a saturday morning with the weekend ahead of you

Community reviews

—

0 reviews

No reviews yet. Be the first to review this game.

More like Polyslime

News

All news →

Games like Undertale that remember what you did

Undertale's own listing calls it the RPG where you don't have to destroy anyone. Games like Undertale that keep that idea: permanent choices, fights you can talk past, worlds that notice.

Nov 14, 2026

Games like Slay the Spire that keep the branching climb

Most games like Slay the Spire copy the cards and lose the map. These keep the risky-or-safe choice, from a three-floor train to a deck made of poker hands.

Nov 14, 2026

Bodycam game price: what the zombie update changes about buying

The Dead & Damned put Bodycam's zombies back on 13 November. What our dated record says about the Bodycam game price, and why the store's end date matters more than the sticker.

Nov 14, 2026

Blog

SilkMU is our new partner: MU Online Season 6 in a browser tab

SilkMU, a MU Online Season 6 server that runs in a browser tab or as an app, opened on 6 November 2026 and is now our partner. What it offers, what is free and what costs WCoin.

Nov 13, 2026

Games like Dying Light, where nightfall changes the rules

Games like Dying Light are easy to find if you only want parkour or only want zombies. These eight keep the part that matters: a city that becomes a different place after dark.

Nov 13, 2026

Games like Portal 2, where one idea carries the whole game

Games like Portal 2 all share one habit: teach a single impossible trick, then spend a campaign breaking it. From rewinding objects through time to Escher geometry that loops back on itself.

Nov 13, 2026

Bundles

Planet Coaster DLC: skip the collection, buy the packs

The Planet Coaster DLC catalogue closed in 2019, so there is no curve left to wait out. Our record shows the collection bundle costs far more than assembling the same packs one by one.

Nov 13, 2026

Xbox

Toxic Commando Game Pass: subscribe, or buy the key?

The Toxic Commando Game Pass add landed on 12 November. Our price record since late September shows the key route barely moved, which changes what a subscription is worth.

Nov 13, 2026