How to fix Marathon not opening on Steam

Marathon is now out on PCs and consoles worldwide, but PC users who have purchased the game on Steam have run into a problem. Several players worldwide have reported instances when they've been unable to launch their game from Steam. This is despite their PC meeting all the requirements and having an active internet connection. Thankfully, there's an easy fix to the problem.How to solve Marathon not opening on Steam bug The problem at hand appears to happen only when you're using Steam to play Marathon. Sometimes, the game will refuse to launch at all. A session will start, but the game closes abruptly. Alternatively, the game might not even run properly when you're opening it from Steam.https://twitter.com/MarathonDevTeam/status/2029624144208494993 When the problem happens, restarting your Steam client seems to be a temporary fix that you can try.Close your Steam client if it's open.Click on the bottom right corner of your taskbar.Find the Steam logo, and right-click on it.You'll find an option to exit Steam.Close the application, and then restart Steam. If you have time on your hands, you can also reboot your PC. This should solve the problem, but it could reappear. If that happens, your only solution is to restart Steam once again and then launch Marathon. Additionally, this method should also work if you're looking to purchase Steam but are unable to do so. Restarting Steam should allow you to purchase and download the game that will allow you to then jump into Tau Ceti IV. Launch day has brought a few other problems as well. Players are currently unable to redeem their Digital Edition bonuses. There are also instances where a few have been unable to obtain their Server Slam Twitch drops. These problems should hopefully subside quickly, but there are a few workarounds you can try out. The post How to fix Marathon not opening on Steam appeared first on Destructoid.

Mar 6, 2026 - 03:34

How to fix Marathon not opening on Steam

Marathon is now out on PCs and consoles worldwide, but PC users who have purchased the game on Steam have run into a problem.

Several players worldwide have reported instances when they've been unable to launch their game from Steam. This is despite their PC meeting all the requirements and having an active internet connection.

Thankfully, there's an easy fix to the problem.

How to solve Marathon not opening on Steam bug

The problem at hand appears to happen only when you're using Steam to play Marathon. Sometimes, the game will refuse to launch at all. A session will start, but the game closes abruptly. Alternatively, the game might not even run properly when you're opening it from Steam.

https://twitter.com/MarathonDevTeam/status/2029624144208494993 When the problem happens, restarting your Steam client seems to be a temporary fix that you can try.

Close your Steam client if it's open.
Click on the bottom right corner of your taskbar.
Find the Steam logo, and right-click on it.
You'll find an option to exit Steam.
Close the application, and then restart Steam. If you have time on your hands, you can also reboot your PC.

This should solve the problem, but it could reappear. If that happens, your only solution is to restart Steam once again and then launch Marathon. Additionally, this method should also work if you're looking to purchase Steam but are unable to do so. Restarting Steam should allow you to purchase and download the game that will allow you to then jump into Tau Ceti IV.

Launch day has brought a few other problems as well. Players are currently unable to redeem their Digital Edition bonuses. There are also instances where a few have been unable to obtain their Server Slam Twitch drops. These problems should hopefully subside quickly, but there are a few workarounds you can try out.

The post How to fix Marathon not opening on Steam appeared first on Destructoid.

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