Single-player games like illumination
Below are 10 single-player Steam games similar to illumination, 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 illumination page.
Ranked picks
- 1

Voxel Tycoon
Single-player alternative to illumination — playable solo, no multiplayer required. Shares Indie and Simulation with illumination.
Voxel Tycoon — a management sim set in the infinite voxel world. Mine resources and process them into goods on your custom factories. Set up supply chains and passenger routes with a huge fleet of trains, trucks, and buses, and turn small towns into prosperous megacities with a thriving economy!
- 2

Rolling Line
Single-player alternative to illumination — playable solo, no multiplayer required. Shares Indie and Simulation with illumination.
Build your own model railway tracks and scenery or explore pre-made maps, including 1000s of player-made maps and mods on the Steam Workshop! Play solo and in multiplayer, both in virtual reality and on PC!
- 3

Teardown
Single-player alternative to illumination — playable solo, no multiplayer required. Shares Indie and Simulation with illumination.
Prepare the perfect heist in a fully destructible, simulated voxel world. Tear down walls with vehicles or use explosives to create your own shortcuts. Shape the environment to your advantage in the most creative ways you can imagine. Play solo or with up to 12 players in multiplayer.
- 4

Train Valley
Single-player alternative to illumination — playable solo, no multiplayer required. Shares Indie with illumination.
Build railways, manage traffic and stay accident-free. Play in Europe, America, Japan and USSR in 1830-2020. Complete the story mode from the Gold Rush of 1849 to the first manned spaceflight, and then explore the random mode. Management. Construction. Trains. Welcome to Train Valley!
- 5

Mini Metro
Single-player alternative to illumination — playable solo, no multiplayer required. Shares Indie and Simulation with illumination.
Mini Metro is a strategy simulation game about designing a subway map for a growing city. Draw lines between stations and start your trains running. As new stations open, redraw your lines to keep them efficient. Decide where to use your limited resources. How long can you keep the city moving?
- 6

Euro Truck Simulator 2
Single-player alternative to illumination — playable solo, no multiplayer required. Shares Indie and Simulation with illumination.
Travel across Europe as king of the road, a trucker who delivers important cargo across impressive distances! With dozens of cities to explore, your endurance, skill and speed will all be pushed to their limits.
- 7

Bus Driver
Single-player alternative to illumination — playable solo, no multiplayer required. Shares Indie and Simulation with illumination.
In Bus Driver, your job is to transport passengers around an attractive and realistic city. You must drive to a timetable on a planned route, whilst obeying traffic rules, and taking care not to upset or injure your passengers.
- 8

Unpacking
Single-player alternative to illumination — playable solo, no multiplayer required. Shares Indie and Simulation with illumination.
Unpacking is a zen puzzle game about the familiar experience of pulling possessions out of boxes and fitting them into a new home. Part block-fitting puzzle, part home decoration, you are invited to create a satisfying living space while learning clues about the life you’re unpacking.
- 9

VR-Kanojo
Single-player alternative to illumination — playable solo, no multiplayer required.
From the producer of "VR Kanojo" comes an even cuter VR romance sim. Spend zero-distance, nose-touching moments with heroine Sakura Yuuhi, brought to life by real-time full-lighting. Look-and-touch controls, multiple scenes and fan-picked outfits let you craft a private world. Beginner-friendly.
- 10

Stripjong - Super Real Mahjong Venus Returns
Single-player alternative to illumination — playable solo, no multiplayer required. Shares Simulation with illumination.
The game that once plunged Japanese arcades into a frenzy, Stripjong - Super Real Mahjong, returns with its traditional rule intact: "lose and take off your clothes"! 100% immersion even without VR, and 120% with VR! Now, experience zero-distance undressing!!