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Classic Marathon

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App ID 2398450
App Type Game
Developer
Publisher Aleph One Developers
Supported Systems Windows macOS Linux
Last Changenumber 30854465
Last Record Update 29 August 2025 – 18:43:46 UTC ()
Release Date 10 May 2024 – 15:27:39 UTC ()
😎 85.93%
987 reviews
3
In-Game
+4
🔫 FPS 🔫 Shooter 🥊 PvP 🙌 First-Person 🌲 PvE

From the team that brought you Aleph One, the classic sci-fi FPS Marathon 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/2398450/
community_visible_stats Yes
workshop_visible Yes
ReleaseState released
Publisher Aleph One Developers
IsFreeApp Yes
Exclude from family sharing (exfgls) 3 (Free Game)
Store Release Date 10 May 2024 – 15:27:39 UTC ()
osarch 64
community_hub_visible Yes
Social Media https://discord.gg/c7rEVgY
Primary Genre Action (1)
Store Genres Action (1)
Steam Release Date 10 May 2024 – 15:27:39 UTC ()
Store Asset Modification Time 22 August 2024 – 00:52:36 UTC () (1724287956)
library_assets
library_capsuleen
library_heroen
library_logoen
library_headeren
logo_position ↴
pinned_positionBottomLeft
width_pct23.340961098398168
height_pct47.56839148949196
osextended macos64,macosapplesilicon
Is free on the store? Yes
review_score 8
review_percentage 91
Detected Technologies (?) Lua SDK
Steam Deck Compatibility
  • Steam Deck:
  • This game sometimes shows mouse, keyboard, or non-Steam-Deck controller icons
  • Entering some text requires manually invoking the on-screen keyboard
  • All functionality is accessible when using the default controller configuration
  • 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: Entering some text requires manually invoking the on-screen keyboard
  •  
  • category: Playable
  • steamos_compatibility: Compatible
  • test_timestamp: 11 February 2025 – 00:00:00 UTC
  • tested_build_id: 15463095
  • configuration:
    supported_inputgamepad
    requires_manual_keyboard_invoke1
    requires_non_controller_launcher_nav0
    primary_player_is_controller_slot_00
    non_deck_display_glyphs1
    small_text0
    requires_internet_for_setup0
    requires_internet_for_singleplayer0
    recommended_runtimeproton-9.0-4RC
    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 – 00:56:46 UTC (), in changelist #18457326
Content Descriptors (Including DLC) Frequent Violence or Gore (2), General Mature Content (5)

Supported Languages

1 Languages Interface Full Audio Subtitles
English Yes

Tags

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

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 ce7975d4a4acca28b2b36f74c5f5f534bb9b9c9c
clienttga 5c42a64c4141f4def19a544123b20838838d3440
icon a538ecb0366f8a1223d46b69aba3c18714207dc5
small_capsule
english2905f88efffcb37ee458fb6b22fe5f12680c9306/capsule_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_positionBottomLeft
logo_position/width_pct23.340961098398168
logo_position/height_pct47.56839148949196
library_header ↴
image/englishlibrary_header.jpg
Assets
main_capsule873067d467de8e01f7745339ffd41b39049d6220/capsule_616x353.jpg
small_capsule2905f88efffcb37ee458fb6b22fe5f12680c9306/capsule_231x87.jpg
headerheader.jpg
page_backgroundpage_bg_generated_v6b.jpg
hero_capsulea88df1fe1ba6b18d4a98cf7a7373858d958d3e44/hero_capsule.jpg
library_capsulelibrary_600x900.jpg
library_capsule_2xlibrary_600x900_2x.jpg
library_herolibrary_hero.jpg
library_hero_2xlibrary_hero_2x.jpg
community_icona538ecb0366f8a1223d46b69aba3c18714207dc5.jpg
page_background_pathapp/2398450
raw_page_backgroundpage_bg_raw.jpg
timestamp29 August 2025 – 17:29:09 UTC

Trailer 637681 ↴

trailer_name Classic Marathon Trailer
trailer_category 1
trailer_480p ↴
video/webm 256987287/movie480_vp9.webm
video/mp4 256987287/movie480.mp4
trailer_max ↴
video/webm 256987287/movie_max_vp9.webm
video/mp4 256987287/movie_max.mp4
microtrailer ↴
video/webm 2398450/637681/38ef49ae34863971f4e8a4aff0c70cd5f6418092/1750915052/microtrailer.webm
video/mp4 2398450/637681/38ef49ae34863971f4e8a4aff0c70cd5f6418092/1750915052/microtrailer.mp4
adaptive_trailers ↴
dash_av1 2398450/637681/38ef49ae34863971f4e8a4aff0c70cd5f6418092/1750915052/dash_av1.mpd
dash_h264 2398450/637681/38ef49ae34863971f4e8a4aff0c70cd5f6418092/1750915052/dash_h264.mpd
hls_h264 2398450/637681/38ef49ae34863971f4e8a4aff0c70cd5f6418092/1750915052/hls_264_master.m3u8
screenshot_medium 256987287/movie.293x165.jpg
screenshot_full 256987287/movie_full.jpg
all_ages true
is_highlight true
timestamp 16 March 2024 – 15:08:47 UTC

User File System

Key Value
quota 476.84 MiB (500000000)
maxnumfiles 500
savefiles
0 ↴
rootgameinstall
pathQuick Saves
pattern*.sgaA
rootoverrides
1 ↴
rootgameinstall
osMacOS
oscompare=
useinsteadMacAppSupport
pathtransforms/0/findQuick Saves
pathtransforms/0/replaceAlephOne/Quick Saves/Marathon/
2 ↴
rootgameinstall
osWindows
oscompare=
useinsteadWinMyDocuments
pathtransforms/0/findQuick Saves
pathtransforms/0/replaceAlephOne/Quick Saves/Marathon/
3 ↴
rootgameinstall
osLinux
oscompare=
useinsteadLinuxHome
pathtransforms/0/findQuick Saves
pathtransforms/0/replace.alephone/Quick Saves/Marathon

Save File Locations

Based on the configuration above, this is where we think the save files are located.

Read more about cloud saves in Steamworks documentation.

Platform Path Pattern
[All OSes] [Steam Library]/steamapps/common/Classic Marathon/Quick Saves *.sgaA
MacOS (Override) ~/Library/Application Support/AlephOne/Quick Saves/Marathon/
Windows (Override) %USERPROFILE%/My Documents/AlephOne/Quick Saves/Marathon/
Linux (Override) ~/.alephone/Quick Saves/Marathon
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