Announcement
Ars regia on Steam
This Halloween 'Injection π23 -Ars Regia-' will be available on Steam. Release: October 23, 2023
Read announcementSteam
Injection π23 'Ars Regia'
Also known as Injection π23 'Ars Regia', i2ar, injection 23 ars regia
Classic survival horror focused on puzzle solving, exploration and strategy. Part II of 'Injection π23' trilogy.
Last update
17 May 2026
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0
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Update history
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1 updates
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New updates will show up here as they ship.
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Achievements
Community progression
Top picks from 27 Steam achievements, sorted by player unlock rates.
- por guapoHidden19.1%
- Moms always have the reasonMoms always have the reason17.0%
- Arcade machineArcade machine10.6%
- A posibility between two worldsA posibility between two worlds10.6%
- MK ULTRAMK ULTRA8.5%
- LiberateLiberate6.3%