[RELEASE] Petri v1.0 (free with minor freemium options)

Keith Wiley

New member
Dec 26, 2012
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I've fiiiinally released Petri v1.0, the Android game I've been working on for the last year. It's completely nonviolent, appropriate for all ages (although the complexity may rule out younger children). Please check it out. If you you like it, please contribute a rating/review to Google Play...and don't hesitate to tell anyone you know who you think might like it, or put it on Facebook, or hire a sky-writer, or whatever you feel is appropriate.

Also please let me know if you encounter any problems.



Promotional video:

Google Play page:

Descriptive page on my website:

Game website (scoreboard & discussion forum):


In Petri you attempt to grow a cell culture in a Petri dish. You deposit individual 'good' cells which grow and divide, spreading across the dish. However, 'bad' cells appear from the ambient environment which you must battle for control of the dish. You can use agar to speed up your cells or fight off the bad cells with numerous tools like lasers, temperature-control, penicillin, radiation, bleach or intentional phage infections. Additionally, spontaneous phage infections can occur which may threaten to wipe our your colony. You must fight those off as well.

Level progression is divided into 'stages', where each stage consists of a series of 'rounds'. Increasing stages indicate increasing difficulty while the rounds within a stage provide variations in gameplay (by varying the round's end-condition and the possible bonuses such that different strategies and approaches are required for each round).

Lastly, an online global scoreboard lets you show off your success to the whole world! This scoreboard is available either through the app or at Petri.

Petri should provide high 'replayability' since there are no secrets. Just keep trying to improve on your earlier high scores (or try to beat other people's high scores for dominance of the global scoreboard).
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