The Past Within

store.steampowered.comStore page, read 24 October 2026

Backs Steam app ID, Release status, Release date, Platforms, Free base co-op.

• Steam app ID: The opened base-game product identifies app 1515210.
• Release status: The base game is released and has a purchase button.
• Release date: The store lists November 2, 2022.
• Platforms: The system requirements list Windows and macOS. Mobile and Nintendo versions are established separately.
• Free base co-op: The checked computer full-base edition has a paid base-game access model. Demos, trials, guest passes, platform sharing and temporary grants do not establish ongoing free base co-op.

store.steampowered.comStore data, read 24 October 2026

Backs Steam app ID, Platforms.

• Steam app ID: Steam identifies The Past Within as app 1515210.
• Platforms: The current Steam build supports Windows and macOS.

store.steampowered.comStore data, read 24 October 2026

Backs Steam Deck.

• Steam Deck: Valve rates the game Verified on Steam Deck.

rustylake.comOfficial site, read 24 October 2026

Backs Release date, Only one of you needs to buy it, Kind of game, Sessions, Working in sync, Puzzles and figuring out, Platforms.

• Release date: The maker gives November 2, 2022.
• Only one of you needs to buy it: The maker explicitly requires both players to own a copy.
• Kind of game: Two players follow different sides of the same story, one in the past and one in the future.
• Sessions: The maker describes a two-chapter adventure that can be replayed with exchanged roles.
• Working in sync: Each partner communicates observations and supplies answers needed by the other.
• Puzzles and figuring out: Solving interdependent puzzles is the stated main activity.
• Platforms: The maker lists PC, Mac, iOS and Android. The Nintendo release and Switch 2 compatibility are checked separately.

steamcommunity.comOfficial support page, read 24 October 2026

Backs Online co-op, Separate-device co-op, Most players on separate devices, Only one of you needs to buy it, Crossplay, Crossplay between.

• Online co-op: The developer states that the game requires no internet connection and remote partners communicate through an outside app. There is no native online session.
• Separate-device co-op: The developer describes two devices, preferred platforms and continuous external communication. Partners may be in the same room or apart.
• Most players on separate devices: The developer explicitly describes a two-player co-op experience and two copies.
• Only one of you needs to buy it: The developer says two copies are needed. A demo is a separate limited version.
• Crossplay: The developer allows partners to use different device types while exchanging clues manually. This is compatibility between separate games, not a native cross-platform network session.
• Crossplay between: The FAQ and maker page name PC, Mac, iOS and Android. The released Switch store names cross-platform play and verifies compatibility on Switch 2.

nintendo.comStore page, read 24 October 2026

Backs Local co-op, Platforms, Crossplay between, Free base co-op.

• Local co-op: The Nintendo player table gives one player on a single system. The paired game uses two separate devices.
• Platforms: The released Switch edition is supported on Switch 2 with consistent game behaviour.
• Crossplay between: The released Nintendo product lists cross-platform play. Combined with the maker’s any-device design, this adds Switch and its supported Switch 2 compatibility to the separate-device pool.
• Free base co-op: The checked Nintendo full-base edition has a paid base-game access model. Demos, trials, guest passes, platform sharing and temporary grants do not establish ongoing free base co-op.

rustylake.itch.ioStore page, read 24 October 2026

Backs Genres, Only one of you needs to buy it.

• Genres: The developer-controlled purchase page calls the game a point-and-click adventure and lists Puzzle.
• Only one of you needs to buy it: The developer requires a copy for both players and a means of communication.

darkzero.co.ukPress, read 24 October 2026

Backs About, Fear, Calm and coziness, Story, Exploring, Time to hang out, Getting better.

• About: DarkZero, November 11, 2022, describes a scientist’s time-connecting machines and a future cube full of mechanisms. This supports science fiction.
• Fear: DarkZero describes mild spooky paranoia around a macabre story. Horror is not the main activity.
• Calm and coziness: DarkZero describes an unhurried experience with time to think. The eerie setting keeps this below warm, safe play.
• Story: DarkZero connects the puzzles to a scientist and his daughter, while finding the ending abrupt. There is an authored mystery around the puzzles.
• Exploring: DarkZero describes inspecting room interiors and hidden compartments rather than a large world.
• Time to hang out: DarkZero centres continuous clue description and comparing two different views. Most conversation serves the task.
• Getting better: DarkZero describes learning how to explain symbols and solve finite puzzles. This is a small learning barrier rather than sustained skill practice.

steamcommunity.comStore page, read 24 October 2026

Backs Laughter and chaos, Tension and danger.

• Laughter and chaos: The inspected helpful cards describe occasional comic communication failures during otherwise controlled puzzle solving.
• Tension and danger: A complete helpful review from December 17, 2022 describes mostly unpressured puzzles and one forgiving timed task.

xboxtavern.comPress, read 24 October 2026

Backs Online co-op, Separate-device co-op, About, Fear.

• Online co-op: Xbox Tavern, November 14, 2022, explicitly describes no lobby and no direct connection between the two games.
• Separate-device co-op: Xbox Tavern describes answering initial questions to align two separate scenarios, then passing clues through an outside voice or text channel.
• About: Xbox Tavern describes an invented time-travel box linking past and future.
• Fear: Xbox Tavern describes a few creepy flashes and jump scares around the puzzle tasks.

apps.apple.comStore page, read 24 October 2026

Backs Platforms, Free base co-op.

• Platforms: The full iOS game requires exactly two players, each with a copy on a separate device. You exchange clues outside the game. There is no native network session or one-device mode.
• Free base co-op: The checked Apple full-base edition has a paid base-game access model. Demos, trials, guest passes, platform sharing and temporary grants do not establish ongoing free base co-op.

play.google.comStore page, read 24 October 2026

Backs Platforms, Free base co-op.

• Platforms: The full Android game requires exactly two players, each with a copy on a separate device. You exchange clues outside the game. There is no native network session or one-device mode.
• Free base co-op: The checked Android full-base edition has a paid base-game access model. Demos, trials, guest passes, platform sharing and temporary grants do not establish ongoing free base co-op.

gog.comStore page, read 24 October 2026

Backs Free base co-op.

• Free base co-op: The checked computer full-base edition has a paid base-game access model. Demos, trials, guest passes, platform sharing and temporary grants do not establish ongoing free base co-op.