Games like Marathon on Steam Deck
3 of the 4 modern alternatives to Marathon (1994) are rated Verified or Playable on the Steam Deck. The cheapest is Warhammer 40,000: Boltgun at € 21,99. 2 are made by independent developers.
The Steam Deck runs most of the PC catalogue, but not all of it equally well. Only alternatives that Valve rates Verified (works out of the box) or Playable (works, with a tweak or two) are listed here. The ratings come from Valve, not from our own testing, and change as games are patched.
Prices, platform availability and Steam Deck compatibility can change at any time. Always check the store page before buying.
Warhammer 40,000: Boltgun Indie
€ 21,99A sprite-based retro shooter with heavy weapons and dense corridors, unashamedly 90s.
Warhammer 40,000: Boltgun is also an alternative to 1 other classic
Warhammer 40,000: Boltgun runs on PC, PlayStation, Xbox, Switch. Not available on Mac, Linux, iPhone, iPad, Android phone, Android tablet. It is Steam Deck Verified.
Prodeus Indie
€ 24,99A modern shooter with retro sprites, meaty guns and a level editor.
Prodeus is also an alternative to 3 other classics
Prodeus runs on PC, PlayStation, Xbox, Switch. Not available on Mac, Linux, iPhone, iPad, Android phone, Android tablet. It is Steam Deck Playable.
Halo: The Master Chief Collection
€ 39,99Six Halo games from the same studio that made Marathon, carrying its story-and-terminal DNA.
Halo: The Master Chief Collection is also an alternative to 4 other classics
Halo: The Master Chief Collection runs on PC, Xbox. Not available on Mac, Linux, iPhone, iPad, Android phone, Android tablet, PlayStation, Switch. It is Steam Deck Playable.
Not on Steam Deck
These alternatives to Marathon are listed on the main page, but are not rated Verified or Playable on the Steam Deck:
All 4 games like Marathon