Single-player games like Problem Space
Below are 8 single-player Steam games similar to Problem Space, 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 Problem Space page.
Ranked picks
- 1
Oscilloscopia
Single-player alternative to Problem Space — playable solo, no multiplayer required. Shares Indie and Simulation with Problem Space.
Build signals, patch modules and tune an authentically simulated dual-beam analog oscilloscope until the phosphor trace matches the target. Oscilloscopia is a puzzle game about experimenting with signal processing and finding your own solutions.
- 2
SYSCALL: RING ZERO
Single-player alternative to Problem Space — playable solo, no multiplayer required. Shares Indie and Simulation with Problem Space.
Reverse-engineer a private 1990s BBS. Read disassembly, patch broken checks, optimize a nine-core rack, and write assembly firmware that locks onto live scope traces. With 200+ puzzles, full controller support and offline play, you can refine your assembly skills on all your devices!
- 3
Circuitra
Single-player alternative to Problem Space — playable solo, no multiplayer required. Shares Simulation with Problem Space.
Circuitra is a challenging visual logic puzzle game about building increasingly complex circuit boards. Limited inputs, tight board space and changing contract constraints force you to debug and rethink your designs in order to grow your circuit-design business.
- 4
BIG BANG TO US
Single-player alternative to Problem Space — playable solo, no multiplayer required. Shares Simulation with Problem Space.
A wondrous journey across 13.8 billion years of cosmic history, ending with the discovery of ourselves. 'BIG BANG TO US' is an interactive science application that lets you experience the vast history of the universe through intuitive interactions.
- 5
Nuclear Design Bureau
Single-player alternative to Problem Space — playable solo, no multiplayer required. Shares Indie and Simulation with Problem Space.
Design. Simulate. Detonate. As a junior engineer at the Kurchatov Institute, you design atomic devices to satisfy the demands of the State. A hardcore physics game simulating hydrodynamics, neutron transport, and thermonuclear fusion.
- 6
SpaceChem
Single-player alternative to Problem Space — playable solo, no multiplayer required. Shares Indie and Simulation with Problem Space.
Zachtronics is back with an ambitious new design-based puzzle game. Take on the role of a Reactor Engineer working for SpaceChem, the leading chemical synthesizer for frontier colonies. Construct elaborate factories to transform raw materials into valuable chemical products!
- 7
Astromental Incremental
Single-player alternative to Problem Space — playable solo, no multiplayer required. Shares Indie and Simulation with Problem Space.
Mesmerizing incremental idle clicker game about space. When objects collide, you receive matter. Use this matter to unlock and upgrade objects in your star system. Use powerful Abilities. Dive into the Prestige system (Warp) with a wide Skill Tree, and discover new star systems with new bonuses.
- 8
Terra Logic
Single-player alternative to Problem Space — playable solo, no multiplayer required. Shares Indie and Simulation with Problem Space.
Sculpt planets and landscapes, watch water and climate respond, and compare two versions of the same world. Import heightmaps, draw mountain ranges, and export flat terrain to Minecraft Java. Explore Earth, ancient continents and distant worlds at your own pace.