Count players and copies
Local co-op, online co-op and split-screen are different features. Confirm the player count for the exact mode you want and check whether each player needs a copy, a subscription or a separate account.
Verify the platform combination
Do not assume that two platforms can play together because both are listed on the store page. Check the developer’s current cross-play information for your combination, including editions and any platform-specific restrictions.
Check progression and the host
Investigate who keeps campaign progress, whether the same person must host and whether sessions can continue when a player is absent. These details can matter more than the number of supported players.
Agree on the pace
Discuss difficulty, reading time and how often you can meet. Check pause and save behavior. A shared game works best when everyone can participate comfortably rather than simply owning compatible hardware.