Single-player games like Classic Marathon 2
Below are 9 single-player Steam games similar to Classic Marathon 2, ranked by player overlap. Every pick carries Steam's Single-player category, so multiplayer-only titles or always-online games don't sneak in. imho.run pulls the category data from Steam directly — Single-player here matches what the store labels.
Want the full alternatives list (paid + free + Steam Deck + cheaper picks)? See the parent games like Classic Marathon 2 page.
Ranked picks
- 1
Classic Marathon Infinity
Single-player alternative to Classic Marathon 2 — playable solo, no multiplayer required. Shares Action and Free To Play with Classic Marathon 2.
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.
- 2
Project Corruption
Single-player alternative to Classic Marathon 2 — playable solo, no multiplayer required. Shares Action with Classic Marathon 2.
Project Corruption throws you into the haunting walls of the I.B.I.S. space station as you respond to an S.O.S. signal in search of your wife. Uncover the stations dark secrets, confront monstrous horrors, and survive the aftermath of the failed experiments in immersive sci-fi horror experience.
- 3
Call of Duty®: Black Ops 7
Single-player alternative to Classic Marathon 2 — playable solo, no multiplayer required. Shares Action with Classic Marathon 2.
In Call of Duty®: Black Ops 7, Treyarch and Raven Software are bringing players the biggest Black Ops ever across an innovative Co-Op Campaign, an electrifying Multiplayer experience, and the legendary Round-Based Zombies mode.
- 4
Call of Duty®: Black Ops 6
Single-player alternative to Classic Marathon 2 — playable solo, no multiplayer required. Shares Action with Classic Marathon 2.
Call of Duty®: Black Ops 6 is signature Black Ops across a cinematic single-player Campaign, a best-in-class Multiplayer experience and with the epic return of Round-Based Zombies.
- 5
Blood: Refreshed Supply™
Single-player alternative to Classic Marathon 2 — playable solo, no multiplayer required. Shares Action with Classic Marathon 2.
Things are about to get… bloody! Soak up 42 pulse-pounding levels dripping with Lovecraftian atmosphere as you battle your way through armies of sycophantic cultists, zombies, gargoyles, hell hounds, and other insatiable horrors, in your quest to defeat the loathsome Tchernobog.
- 6
Halo: The Master Chief Collection
Single-player alternative to Classic Marathon 2 — playable solo, no multiplayer required. Shares Action with Classic Marathon 2.
The Master Chief’s iconic journey includes six games, built for PC and collected in a single integrated experience. Whether you’re a long-time fan or meeting Spartan 117 for the first time, The Master Chief Collection is the definitive Halo gaming experience.
- 7
Destiny 2
Single-player alternative to Classic Marathon 2 — playable solo, no multiplayer required. Shares Action and Free To Play with Classic Marathon 2.
Destiny 2 is an action MMO with a single evolving world that you and your friends can join anytime, anywhere, absolutely free.
- 8
Call of Duty®: Infinite Warfare
Single-player alternative to Classic Marathon 2 — playable solo, no multiplayer required. Shares Action with Classic Marathon 2.
Infinite Warfare delivers three unique game modes: Campaign, Multiplayer, and Zombies.
- 9
Classic Marathon
Single-player alternative to Classic Marathon 2 — playable solo, no multiplayer required. Shares Action with Classic Marathon 2.
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.