
- BGG rank
- BGG #5,298
- BGG rating
- 7.2
Tholos
- 2 players
- 15–25 min
- Complexity 1.8/5
- 2021

2021
Rules assistance for Petris
Plain-language explanations of turns, card effects and disputed situations, with official source references and saved question history.

What would you like to know?
Answers come from the official rulebook, with the page to check.
Petris is a board game released in 2021 for 2–3 players, 10–15 minutes per game, and ages 10 and up. It was designed by David Bernal and its main mechanics are Area Majority / Influence, Grid Movement, and Modular Board.
Petris is a game about bacterial control for 2-3 players, 10 + years old and about 10 minutes of playing time. Each player embodies a scientist who should control the propagation of the bacteria under their supervision. Those bacteria are hungry and they are always looking for food in the adjacent Petri dishes. Watch out! The bacteria that remain alone in a Petri dish will eat a lot and they will reproduce… making it more complicated to control them! During the game you must manage the propagation of your bacteria, for them to reproduce less, thus not to risk the culture in the Petri dishes. At each phase of contamination, you will get contamination points for each Petri dish where you have more bacteria than your opponent. At the end of the game, the player with fewer contamination points will be the winner! —description from the publisher
Petris supports 2–3 players according to the catalogue. This range comes from the publisher’s listed player count, so the game can be set up for any group size within it. Some setups, rules and scoring details may still vary by player count, so check your edition’s rulebook for the exact configuration.
The listed playing time for Petris is 10–15 minutes. This is the publisher’s estimate for a full game. The actual duration depends on the group, the player count and familiarity with the rules: first sessions usually run longer, while experienced groups often finish faster. Setup and teaching time are not included in this estimate.
The catalogue lists Petris for ages 10 and up. This is the publisher’s recommendation and reflects reading demands, rule complexity and small components rather than theme alone. Younger players can often join with help from an adult, so check the age guidance on your edition and consider your group’s experience with board games.
Petris has a complexity rating of 2.0 out of 5 from BoardGameGeek players, which makes it a medium-light game. The rating reflects how much rules knowledge, planning and decision-making a typical game demands. Expect a longer first teach for heavier games, and use a preparation guide before game night.
Petris belongs to these categories: Abstract Strategy and Medical. Its main mechanics are Area Majority / Influence, Grid Movement, and Modular Board. Categories describe the theme and setting of a game, while mechanics describe what players actually do on their turns. Each mechanic links to a catalogue hub with similar games, which helps when you want something comparable.
The credited designers of Petris are: David Bernal. These credits come from the published game data and name the people responsible for the game’s design, not its illustrators or publishers. Designer pages on MeepleRules collect other titles by the same designers, which helps when you enjoy a game and want to find similar ones.
The catalogue lists Petris as a base game. It can be played on its own with the components in the box and does not require any other title. Expansions, if any exist, add new content or rules on top of it and are listed separately in the catalogue with a link back to this base game.