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

Is MONMUSU Steam Deck compatible?

Mostly. Valve rates MONMUSU 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 MONMUSU on Mac?

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

Is MONMUSU multiplayer?

No — Steam lists MONMUSU as single-player only.

Is MONMUSU on PC Game Pass?

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

MONMUSU

Tentacle Games · May 12, 2018 · Sexual Content, Nudity, Free to Play, Anime, Incremental

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

Anime deals

Very Positive80% · 5,25112playing now

Best price

Free

Get it free on Steam

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

Screenshots

MONMUSU price

MONMUSU 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 MONMUSU

✦ AI summary

Summon and collect adorable monster girls while managing your resources in this free-to-play idle simulation game. Progress through engaging gameplay by earning money to gather summoning materials and expand your collection at your own pace.

Free to Play Idle Simulation Game for PC!

You are an up and coming summoner
and a lover of monster girls.
Earn money to gather up summoning
materialsand summon monster girls!

Character Designer:Sayori/TAMA/Tsukimi Kirara

Graphic Work:Sayori/TAMA/Tsukimi Kirara/33paradox

Scenario:Morry

MONMUSU — game info

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

What Steam players say

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

Recommended Sep 7, 2026

peak

1 found this helpful

Recommended Sep 13, 2026

Thicc Waifus!

Recommended Sep 12, 2026

Auto click, Wait, Unlock all monster girl and then beat your meat. That's all.

Not recommended Sep 9, 2026

Takes the idle part of idle game to the extreme. Spend a few minutes a day spending your accrued resources, and then wait for an arbitrary timer to count down so you can do it again. The art of the girls is nice, if not a bit basic. Not really even worth the time it takes to check in on it.

Recommended Sep 5, 2026

I wish steam had an option for "Mehh" rather than thumbs up or down. I played this game because I like the studio and artist. Character designs? Great! This is an idle game and usually idle aspects have you excitedly coming back. I didn't feel that at all with this game. Felt more like waiting out the 2 week hourglass for a subpar generic scene with monster stereotype A. Free to play saves it. It is what it is but don't expect much

Recommended Sep 3, 2026

why?

Community reviews

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