Single-player games like Rift Protocol
Below are 8 single-player Steam games similar to Rift Protocol, 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 Rift Protocol page.
Ranked picks
- 1
Knight Story
Single-player alternative to Rift Protocol — playable solo, no multiplayer required. Shares Action and Indie with Rift Protocol.
Black and white 2D platformer about a knight's journey.
- 2
Halved
Single-player alternative to Rift Protocol — playable solo, no multiplayer required. Shares Action and Indie with Rift Protocol.
Halved is a roguelike action RPG game with only 5 levels and 3 game modes, but innumerable possibilities for each run. Play as one of 5 characters and traverse the dangerous parts of the world with the help of the mysterious Father of all Machines against his rebel/tyrant son, S.A.N.E.D..
- 3
捜査官の試練INVESTIGATOR TRIALS
Single-player alternative to Rift Protocol — playable solo, no multiplayer required. Shares Action and Indie with Rift Protocol.
In the game, you will play the role of an intern examiner and participate in a trial to become an official examiner. Strive to defeat one mechanical guard after another and powerful enemies through trial and error, in order to unleash one's true strength and transform into various combat postures.
- 4
Red Guest Biography
Single-player alternative to Rift Protocol — playable solo, no multiplayer required. Shares Action and Indie with Rift Protocol.
A platform adventure 2D pixel game that includes melee attacks, ranged attacks, skill systems, point systems, and timing systems.
- 5
DarkMatter: The Strange Messenger
Single-player alternative to Rift Protocol — playable solo, no multiplayer required. Shares Action and Indie with Rift Protocol.
Explore the Earth that has been transformed by dark matter. Listen to the stories of life told by those who survived the harsh environment. You may not be able to hear their story. Why? You may find it hard to survive in this harsh environment. Don't give up! Your abandonment will make us sad.
- 6
Porter in the Castle
Single-player alternative to Rift Protocol — playable solo, no multiplayer required. Shares Action and Indie with Rift Protocol.
Feel like a porter in a medieval castle.The player needs to think about the correct order of delivery of objects, because they will interfere, then delivery of other objects, everything is not as simple as it seems at first glance. This is a puzzle game.
- 7
Vtuber Survivor
Single-player alternative to Rift Protocol — playable solo, no multiplayer required. Shares Action and Adventure with Rift Protocol.
Vtuber Survivors is a roguelike survival game that allows you to play as your favorite Vtuber. Strengthen your beloved Vtuber to battle against technological byproducts invading their home. Help restore a peaceful sanctuary for the Vtubers.
- 8
Anomaly Agent
Single-player alternative to Rift Protocol — playable solo, no multiplayer required. Shares Action and Indie with Rift Protocol.
ANOMALY AGENT is a cyberpunk action-adventure featuring fluid combat, a time-bending story, quirky characters and a catchy synthwave soundtrack! Punch or shoot through mobs of enemies, impact the story with your choices and stop the anomalies before the world plunges into chaos!