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Classic Marathon Infinity

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App ID 2398520
App Type Game
Developer
Publisher Aleph One Developers
Supported Systems Windows macOS Linux
Last Changenumber 30853540
Last Record Update 29 August 2025 – 17:41:10 UTC ()
Release Date 22 August 2024 – 15:23:39 UTC ()
❓ 82.29%
184 reviews
0
In-Game
+4
🔫 FPS 🥊 PvP 🌲 PvE 🔫 Shooter 🌓 2.5D

From the team that brought you Aleph One, the classic sci-fi FPS Marathon Infinity from Bungie on Mac revived for modern hardware by the fan community.

Additional Information

This game is excluded from Steam Family Sharing because: Free Game

Developer Aleph One Developers
controller_support partial
GameManualURL https://store.steampowered.com/manual/2398520/
community_visible_stats Yes
workshop_visible Yes
DLCAvailableOnStore Yes
ReleaseState released
Publisher Aleph One Developers
IsFreeApp Yes
Exclude from family sharing (exfgls) 3 (Free Game)
Store Release Date 22 August 2024 – 15:23:39 UTC ()
osarch 64
community_hub_visible Yes
Social Media https://discord.gg/c7rEVgY
Primary Genre Action (1)
Store Genres Action (1), Free to Play (37)
Steam Release Date 22 August 2024 – 15:23:39 UTC ()
Store Asset Modification Time 16 July 2024 – 01:09:16 UTC () (1721092156)
library_assets
library_capsuleen
library_heroen
library_logoen
library_headeren
logo_position ↴
pinned_positionUpperCenter
width_pct46.405935968563284
height_pct44.56046571671064
osextended macos64,macosapplesilicon
Is free on the store? Yes
review_score 8
review_percentage 90
Detected Technologies (?) Lua SDK
Steam Deck Compatibility
  • Steam Deck:
  • Some functionality is not accessible when using the default controller configuration, requiring use of the touchscreen or virtual keyboard, or a community configuration
  • This game shows Steam Deck controller icons
  • In-game interface text is legible on Steam Deck
  • This game's default graphics configuration performs well on Steam Deck
  •  
  • SteamOS:
  • This game runs successfully on SteamOS
  • Note: Some functionality is not accessible when using the default controller configuration, requiring use of the touchscreen or virtual keyboard, or a community configuration
  •  
  • category: Playable
  • steamos_compatibility: Compatible
  • test_timestamp: 24 July 2025 – 00:00:00 UTC
  • tested_build_id: 15487618
  • configuration:
    supported_inputgamepad
    requires_manual_keyboard_invoke0
    requires_non_controller_launcher_nav0
    primary_player_is_controller_slot_00
    non_deck_display_glyphs0
    small_text0
    requires_internet_for_setup0
    requires_internet_for_singleplayer0
    recommended_runtimeproton-9.0-2RC
    requires_h2640
    requires_voice_files0
    gamescope_frame_limiter_not_supported0
    hdr_support0
Content Descriptors Frequent Violence or Gore (2), General Mature Content (5)
controllertagwizard Yes
First seen on SteamDB 16 April 2023 – 02:35:08 UTC (), in changelist #18457739
Content Descriptors (Including DLC) Frequent Violence or Gore (2), General Mature Content (5)

Supported Languages

1 Languages Interface Full Audio Subtitles
English Yes Yes

Tags

🔫 FPS 🥊 PvP 🌲 PvE 🔫 Shooter 🌓 2.5D 🧊 3D 🙌 First-Person 💥 Action 📏 Linear 📚 Story Rich 🚀 Sci-fi 🌠 Space 👽 Aliens 🌆 Futuristic 🤝 Co-op 🕹️ Multiplayer 🆓 Free to Play 👤 Singleplayer 👥 Online Co-Op 👊 Violent

Categories

Single-player Online PvP LAN PvP Online Co-op LAN Co-op Cross-Platform Multiplayer Steam Achievements Steam Workshop Steam Cloud Profile Features Limited Multi-player PvP Co-op

Hardware Categories

Partial Controller Support

Assets

Load all asset images
clienticon f0aca8ebb882e3616c074d88f69c48d6fb97e3e1
clienttga 0f3ee178e83faf4d7d1cf20c101a163471e30b79
icon d9f273aece20d40999846982f5e543ad3a6d532f
small_capsule
englishcapsule_231x87.jpg
header_image
englishheader.jpg
library_assets_full
library_capsule ↴
image/englishlibrary_600x900.jpg
image2x/englishlibrary_600x900_2x.jpg
library_hero ↴
image/englishlibrary_hero.jpg
image2x/englishlibrary_hero_2x.jpg
library_logo ↴
image/englishlogo.png
image2x/englishlogo_2x.png
logo_position/pinned_positionUpperCenter
logo_position/width_pct46.405935968563284
logo_position/height_pct44.56046571671064
library_header ↴
image/englishlibrary_header.jpg
Assets
main_capsulecapsule_616x353.jpg
small_capsulecapsule_231x87.jpg
headerheader.jpg
page_backgroundpage_bg_generated_v6b.jpg
hero_capsulehero_capsule.jpg
library_capsulelibrary_600x900.jpg
library_capsule_2xlibrary_600x900_2x.jpg
library_herolibrary_hero.jpg
library_hero_2xlibrary_hero_2x.jpg
community_icond9f273aece20d40999846982f5e543ad3a6d532f.jpg
page_background_pathapp/2398520
raw_page_backgroundpage_bg_raw.jpg
timestamp29 August 2025 – 17:42:15 UTC
Trailers
257021056 ↴
trailer_nameClassic Marathon Infinity Trailer
trailer_category1
trailer_480p/video/webm257021056/movie480_vp9.webm
trailer_480p/video/mp4257021056/movie480.mp4
trailer_max/video/webm257021056/movie_max_vp9.webm
trailer_max/video/mp4257021056/movie_max.mp4
microtrailer/video/webm2398520/696341/adf9f85c8bcab66b3356f1d183816ce0c5074337/1750915055/microtrailer.webm
microtrailer/video/mp42398520/696341/adf9f85c8bcab66b3356f1d183816ce0c5074337/1750915055/microtrailer.mp4
screenshot_medium257021056/movie.293x165.jpg
screenshot_full257021056/movie_full.jpg
trailer_base_id696341
all_agestrue
is_highlighttrue
timestamp1715354944

Depots

ID Configuration Size DL.
2398521 55.69 MiB 24.99 MiB
2398522 Windows 18.34 MiB 6.52 MiB
2398523 macOS 32.01 MiB 11.58 MiB
3149760 DLC 3149760Classic Marathon Infinity - Coriolis Loop Netmap Pack 1.14 MiB 333.70 KiB
2398524 Linux 22.80 MiB 6.33 MiB

Total size on disk is 129.98 MiB and total download size is 49.76 MiB.

Total size on disk is 74.03 MiB and total download size is 31.52 MiB, when filtered to Windows, English, no DLC depots.

Branches

Name Description Build ID Time Updated
public 19789780 29 August 2025 – 17:40:06 UTC

Other

Name Value
workshopdepot Classic Marathon Infinity (2398520)
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