How many people are playing S.E.M.I. – Side Effects May Include right now?

S.E.M.I. – Side Effects May Include has 0 players on Steam right now, with a 24-hour peak of 4 and an all-time peak of 4 on 9 Sep 2026.

What is the all-time peak player count of S.E.M.I. – Side Effects May Include?

4 concurrent players on 9 Sep 2026.

When was S.E.M.I. – Side Effects May Include released on Steam?

S.E.M.I. – Side Effects May Include was released on Steam on 23 Jan 2026.

Status

SteamPeaks

S.E.M.I. – Side Effects May Include

GameApp ID 3,957,560by Two Horn UnicornReleased 23 Jan 2026

WindowsEngine —

View on SteamSteamCompare

App ID3,957,560

Release date23 Jan 2026

Engine—

Install size1004 MB

TypeGame

Last update2 Feb 2026

Steam Deck—

DLC1

DeveloperTwo Horn Unicorn

Changenumber34,988,000

Price—

Packages0

PublisherTwo Horn Unicorn

SystemsWindows

Followers—

Depots1

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S.E.M.I. – Side Effects May Include

Two Horn Unicorn
Released 23 Jan 2026·App 3957560

Steam user reviews

Very Positive

85.7%· 112 reviews

Recent —

SteamPeaks Rating

65.1 Mixed

Recent 30 days —

How it works

Playing now

+0 vs. yesterday

0.0%of peak

All-time peak

9 Sep 2026

Update cadence · public branch

RSS Follow on Discord Add alert

PICS live

222 days

Since last public build

2 Feb 2026, 11:24 UTC

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Median interval

Pattern appears after five builds

Builds in 30 days

0 with patch notes · 0 unannounced

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Downloaded in 30 days

Quiet · no builds in 30 days

All 1 builds since 2026 · UTC

When Two Horn Unicorn ships

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0369121518

S.E.M.I. – Side Effects May Include Patches · SteamPeaks

S.E.M.I. – Side Effects May Include

Builds

All public

Major patches only

Date	Day	Time	Patch title	Build ID	Branch	Depots	Download Δ
2 Feb 2026	Mon	11:24	No patch notes · unannounced build	21746532	public	1	—

public branch · shipped todayother branchwide buildhas patch notes

Showing 1 of 1 builds · Δ is the compressed download for the public branch, available once the depot worker runsLoad older builds

S.E.M.I. – Side Effects May Include

When Two Horn Unicorn ships

S.E.M.I. – Side Effects May Include

When Two Horn Unicorn ships

Patch notes

Builds