
- BGG rank
- BGG #6,347
- BGG rating
- 6.7
Ghosts Galore
- 2–5 players
- 20–30 min
- Complexity 1.7/5
- 2026

2021
Rules assistance for Mission ISS
Plain-language explanations of turns, card effects and disputed situations, with official source references and saved question history.
For 1 player

What would you like to know?
Answers come from the official rulebook, with the page to check.
Mission ISS is a board game released in 2021 for 1–4 players, 90 minutes per game, and ages 12 and up. It was designed by Michael Luu and its main mechanics are Hand Management, Area Movement, and Variable Set-up.
The International Space Station (ISS) is a joint project in which sixteen countries are currently involved. The ISS is a symbol of what people can achieve by working together. Boundaries that seem so important on Earth take a back seat on the space station; what matters is a perfectly coordinated collaboration between the astronauts. Mission ISS begins in 1998 when the first module of the ISS was built. From your control center, you give instructions to the astronauts in space. At first only a few crew members are on the station, but over time you bring more astronauts to the station to add new modules, carry out various research assignments, or just drift in weightlessness. As on the real space station, the co-operation between the players and the co-ordination of the astronauts determine the success of the ISS mission. Only together will you be able to master the challenge of space. In more detail, the mechanism at the heart of the game requires deep co-operative play. To give instructions to astronauts, you combine two command cards: one of yours and one of your teammates. After you have performed the command effects, you place both cards on your own discard pile, which means that your turns always have an impact on the options of the other players. When you run out of cards, you take all cards from your discard pile to re-fill your display — but doing so brings the end of the game closer. Up to six astronauts can be on the ISS. Each astronaut stands on a base with adjustable values for three types of abilities: drift to move, carry out researches, and add new modules. Train the astronauts to improve their abilities so that they can manage all of the challenges on the ISS.
Mission ISS supports 1–4 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 Mission ISS is 90 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 Mission ISS for ages 12 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.
Mission ISS has a complexity rating of 2.3 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.
Mission ISS belongs to these categories: Space Exploration. Its main mechanics are Hand Management, Area Movement, and Variable Set-up. 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 Mission ISS are: Michael Luu. 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 Mission ISS 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.