S.E.M.I. – Side Effects May Include...
Co-opPlatformerPhysicsMultiplayerOnline Co-OpSurrealThird PersonCharacter Customization

S.E.M.I. – Side Effects May Include...

S.E.M.I. is a single-player and co-op action platformer with puzzle elements. Play as patients of an unusual clinic, take experimental drugs, interfere with each other, and be ready for chaos and unpredictable side effects!

Developer
Two Horn Unicorn
Publisher
Two Horn Unicorn
Release date
January 23, 2026
Platforms
Windows
AppID
3957560

Is anyone still playing S.E.M.I. – Side Effects May Include...?

Are people playing it now?

We don't have player counts for this game yet.

Which languages?

Available in 9 languages.

What do players say?

78% of 47 reviews are positive. Steam rating: Mostly Positive.

How much is it in the United States store?

$7.99, not on sale right now.

Playing now
No data
24h peak
—
Reviews
Mostly Positive · 78% · 47 reviews
Price
$7.99

Recent news

No news in the last 30 days.

See all announcements on Steam ↗

Language support

English, Russian, French, German, Spanish, Simplified Chinese, Brazilian Portuguese, Japanese, Korean

Embed a player-count badge

S.E.M.I. – Side Effects May Include... · Anyone Playing?

Put this code on your site, forum signature or guide; the number updates by itself.