
- BGG rank
- BGG #267
- BGG rating
- 7.5
Secret Hitler
- 5–10 players
- 45 min
- Complexity 1.7/5
- 2016

Rules assistance for Zombicide: SciFi Mission M16 – Gas Leak!
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.
Zombicide: SciFi Mission M16 – Gas Leak! is an expansion for Zombicide: Invader released in 2021 for 6 players and 60 minutes per game.
SciFi Mission Hard Instead of killing the Xenos one by one, our new plan is to blast them all at once! This mission is all about timing: all oxygen tanks must be activated at once, and then we have to leave as soon as possible. Are you up to the challenge?
Zombicide: SciFi Mission M16 – Gas Leak! supports 6 players according to the catalogue. This is the publisher’s listed player count, so the game is designed for exactly that number of participants. Variants for other group sizes, if any, are described in the rulebook of your edition, so check it before setting up a different configuration.
The listed playing time for Zombicide: SciFi Mission M16 – Gas Leak! is 60 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.
Zombicide: SciFi Mission M16 – Gas Leak! belongs to these categories: Print & Play and Expansion for Base-game. Categories describe the theme, setting and style of a game rather than its rules. Filter the catalogue by the same category to find similar games when you enjoyed Zombicide: SciFi Mission M16 – Gas Leak! and want something comparable for your next game night.
The catalogue lists Zombicide: SciFi Mission M16 – Gas Leak! as an expansion for Zombicide: Invader. Expansions add new content, rules or scenarios to the base game and usually cannot be played on their own, so you need Zombicide: Invader to use it. Check that your edition of Zombicide: Invader is compatible, as some expansions were revised between editions.