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Petri Defence

Place cells. Stop the germs.
OMER FARUK DEMIRTURK · Games
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App info

Developer
OMER FARUK DEMIRTURK
Category
Games, Strategy, Puzzle
Released
Oct 10, 2026
Version
1.1 (Oct 20, 2026)
Price
Free
Size
5.9 MB
Requires
iOS 15.0
Age rating
9+
Languages
English

In-app purchases

none
Current prices, App Store US.

About Petri Defence

Germs are heading for the heart. Place your cells, shape their path and stop every last one. Petri Defence is a small tower defence game that is all about where you put things. Each level is a petri dish, a handful of cells and a stream of germs. Put a T-cell where it matters, aim an Antibody down the path, slow them with a Net or block the way with a Platelet. Then press Start and watch your plan work. Or not, and try again. TWO WAYS TO PLAY • Relaxed: endless one-minute levels, three stars to chase and a gift box every few minutes. Easy to pick up, hard to put down. • Hardcore: hand-made puzzle boards with a par to beat and a boss at the end of the chapter. You will lose. You will learn. Then you will find the answer. A NEW LEVEL EVERY DAY • The Daily level has its own twist each day. Keep your streak going. GERMS WITH IDEAS OF THEIR OWN Tough ones, fast ones, shelled ones, germs that…
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