Single-player games like Deltaplan Simulator
Below are 13 single-player Steam games similar to Deltaplan Simulator, 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 Deltaplan Simulator page.
Ranked picks
- 1
Phantaruk
Single-player alternative to Deltaplan Simulator — playable solo, no multiplayer required. Shares Action and Indie with Deltaplan Simulator.
Phantaruk combines survival horror with adventure and stealth mechanics. Expect true shivers down your spine as you fight for your life not only facing the dangers of the Purity-02 spaceship, but most of all - when you try to get rid of toxins continually destroying you from the inside.
- 2
Project Explore
Single-player alternative to Deltaplan Simulator — playable solo, no multiplayer required. Shares Action and Indie with Deltaplan Simulator.
A 2D sandbox survival game designed for creators, players, and everyone else.
- 3
Between the Stars
Single-player alternative to Deltaplan Simulator — playable solo, no multiplayer required. Shares Action and Indie with Deltaplan Simulator.
Become the Captain of an interstellar cruiser and journey across the galaxy to save the Republic. During your journey you will have to make important decisions, improve the weaponry of your ship and fight against numerous enemies.
- 4
The Forest
Single-player alternative to Deltaplan Simulator — playable solo, no multiplayer required. Shares Action and Indie with Deltaplan Simulator.
As the lone survivor of a passenger jet crash, you find yourself in a mysterious forest battling to stay alive against a society of cannibalistic mutants. Build, explore, survive in this terrifying first person survival horror simulator.
- 5
The Magic Circle
Single-player alternative to Deltaplan Simulator — playable solo, no multiplayer required. Shares Action and Indie with Deltaplan Simulator.
In this darkly comedic story, you are the hero of an unfinished fantasy game, and your designers have failed you. Steal the power of a game god - trap their creations, swap behaviors and body parts, crafting your own unique solutions to free-form puzzles. Can you release a game ...from the inside?
- 6
TurnOn
Single-player alternative to Deltaplan Simulator — playable solo, no multiplayer required. Shares Action and Indie with Deltaplan Simulator.
"TurnOn" tells the spellbinding tale of a brave alien creature and its striking journey through blackout world, in an incredibly colorful and detailed platformer without platforms.
- 7
Marble Skies
Single-player alternative to Deltaplan Simulator — playable solo, no multiplayer required. Shares Action and Indie with Deltaplan Simulator.
Marble Skies is a fast paced 3D-platformer where you control your marble through various levels and try to get the best time for each one. Complete all the levels in your own time, or challenge your friends to get on top of the leaderboards!
- 8
Rebel Galaxy Outlaw
Single-player alternative to Deltaplan Simulator — playable solo, no multiplayer required. Shares Action and Indie with Deltaplan Simulator.
Out of cash, out of luck, out on the fringe. Juno Markev has a killer to tail, a debt to pay, and more trouble headed her way. Rebel Galaxy Outlaw takes place in a greasy, blue-collar world of outlaws, truckers, cops and thieves.
- 9
ZRoll
Single-player alternative to Deltaplan Simulator — playable solo, no multiplayer required. Shares Action and Indie with Deltaplan Simulator.
In ZRoll you will encounter many difficult levels. You will need to jump over the platforms, use different mechanisms and collect ancient totems to earn achievements and pass the levels.
- 10
Reflecting Fate
Single-player alternative to Deltaplan Simulator — playable solo, no multiplayer required. Shares Action and Indie with Deltaplan Simulator.
Game represents detective thriller from the first person with elements of my mysticism. Action takes place in 1996 in Denwood, player personates as its original resident. Suddenly cattle began to disappear on the island. Animals disappeared at nights absolutely without a trace, and, it seems that nobody could prevent it.
- 11
Singularity Roller
Single-player alternative to Deltaplan Simulator — playable solo, no multiplayer required. Shares Action and Indie with Deltaplan Simulator.
Play for the ancient God of Singularity, whose spirit is trapped on earth. Use wormholes and gravity anomalies to bypass the obstacles and pass levels.
- 12
Space Shaft
Single-player alternative to Deltaplan Simulator — playable solo, no multiplayer required. Shares Action and Indie with Deltaplan Simulator.
Space Shaft is a space simulator from the first person. Explore the asteroid belt. Collect the gas clouds to accumulate them into energy. Use this energy to accelerate and maneuver.
- 13
Space Journey
Single-player alternative to Deltaplan Simulator — playable solo, no multiplayer required. Shares Action and Indie with Deltaplan Simulator.
Space Journey is a first-person space simulator. You will explore 6 levels: Asteroid Belt, Supernova, Orion, Infinite Space, Nebula and Dark Void.