Single-player games like Green Alert
Below are 8 single-player Steam games similar to Green Alert, 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 Green Alert page.
Ranked picks
- 1

Vision Quest: A New Ascent
Single-player alternative to Green Alert — playable solo, no multiplayer required. Shares Action and Adventure with Green Alert.
Vision Quest: A New Ascent is a twin-stick souls-like shaped by nature. Survive 2-hit death combat with well-timed critical hits that restore your Health and rise above failure with a generous respawn system. The summit is waiting.
- 2

No Hope
Single-player alternative to Green Alert — playable solo, no multiplayer required. Shares Action with Green Alert.
No Hope is a survival horror game based on the classics of the genre. You are a teenager and you must survive the darkness that has fallen over the city. There are terrible monster along the way, few resources, locked doors and some scares.
- 3

Violent Nature
Single-player alternative to Green Alert — playable solo, no multiplayer required. Shares Action and Adventure with Green Alert.
Violent Nature is an open world survival game set in a small town invaded by interdimensional monsters. Manage your status and limited resources as you push back the spread of an infectious growth.
- 4

False Hero
Single-player alternative to Green Alert — playable solo, no multiplayer required. Shares Action and Adventure with Green Alert.
False Hero is a fast-paced soulslike adventure where you steal your enemies’ attacks and chain them into deadly combos. Explore the corrupted Land of the Gods and put your combat skills to the true test in challenging boss fights. Will you fight for the Gods or become an apostle of Death?
- 5

Unsouled
Single-player alternative to Green Alert — playable solo, no multiplayer required. Shares Action and Adventure with Green Alert.
Unsouled is a 2D action RPG game requiring immense elaborate control. Take a break from repetitive attack and dodge action by challenging yourself with the world of Unsouled.
- 6

Serum: Toxic Survival
Single-player alternative to Green Alert — playable solo, no multiplayer required. Shares Action and Adventure with Green Alert.
Dive into a thrilling survival adventure where an unknown liquid takes control of your life. Extract Serum to stay alive, battle dangerous creatures, solve puzzles, and uncover clues about past events.
- 7

Remnant: From the Ashes
Single-player alternative to Green Alert — playable solo, no multiplayer required. Shares Action and Adventure with Green Alert.
The world has been thrown into chaos by an ancient evil from another dimension. As one of the last remnants of humanity, you must set out alone or alongside up to two other survivors to face down hordes of deadly enemies to try to carve a foothold, rebuild, and retake what was lost.
- 8

The Devil Within: Satgat
Single-player alternative to Green Alert — playable solo, no multiplayer required. Shares Action and Adventure with Green Alert.
Join Kim Rip, a Royal Guard whose humanity is gradually slipping away, on a thrilling 2.5D action-adventure platforming journey in 'The Devil Within: Satgat'. Uncover the mysteries of a desolate realm as you engage in stylish battles against formidable foes.