Single-player games like SOLAS 128
Below are 14 single-player Steam games similar to SOLAS 128, 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 SOLAS 128 page.
Ranked picks
- 1
GRID_HACKER
Single-player alternative to SOLAS 128 — playable solo, no multiplayer required. Shares Indie and Casual with SOLAS 128.
Guide your signal to the target while hacking into the grid puzzle network. Craft your own challenges in the level editor to share with friends.
- 2
SYSCALL: RING ZERO
Single-player alternative to SOLAS 128 — playable solo, no multiplayer required. Shares Strategy and Indie with SOLAS 128.
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
Chained
Single-player alternative to SOLAS 128 — playable solo, no multiplayer required. Shares Strategy and Indie with SOLAS 128.
Help Cole take revenge on the AI program named "Scout" and the company that put him out of a job. Solve puzzles, hack accounts, and stop the field of cybersecurity from being taken over by an evolving AI system.
- 4
TOK HARDCORE
Single-player alternative to SOLAS 128 — playable solo, no multiplayer required. Shares Indie and Casual with SOLAS 128.
TOK HARDCORE is a logical puzzle in which you need to connect all points with lines.
- 5
PromptCrafter
Single-player alternative to SOLAS 128 — playable solo, no multiplayer required. Shares Strategy and Indie with SOLAS 128.
Command line crafting game with procedurally generated crafting trees and programming-like automation.
- 6
RUNLENGTH
Single-player alternative to SOLAS 128 — playable solo, no multiplayer required. Shares Indie and Casual with SOLAS 128.
You are PID_0x7F, a rogue process fighting to survive inside a dying computer. Outrun the system's daemons, solve living data-structure puzzles, and reconstruct the truth your creator tried to delete — before the machine wipes you for good.
- 7
Number Machine: Math Factory
Single-player alternative to SOLAS 128 — playable solo, no multiplayer required. Shares Strategy and Indie with SOLAS 128.
Number Machine is an open-ended factory and automation game with math mechanics. Design, build, and optimize factories that automatically assemble and deliver complex numerical structures. Inspired by Opus Magnum and Infinifactory.
- 8
CODING ROBO
Single-player alternative to SOLAS 128 — playable solo, no multiplayer required. Shares Strategy and Indie with SOLAS 128.
Learn programming in a fun way! An educational game that teaches the basics of programming and algorithmic logic. No prior knowledge of programming is required to play.
- 9
Portal 2
Single-player alternative to SOLAS 128 — playable solo, no multiplayer required.
The "Perpetual Testing Initiative" has been expanded to allow you to design co-op puzzles for you and your friends!
- 10
The Witness
Single-player alternative to SOLAS 128 — playable solo, no multiplayer required. Shares Indie with SOLAS 128.
You wake up, alone, on a strange island full of puzzles that will challenge and surprise you.
- 11
Portal
Single-player alternative to SOLAS 128 — playable solo, no multiplayer required.
Portal™ is a new single player game from Valve. Set in the mysterious Aperture Science Laboratories, Portal has been called one of the most innovative new games on the horizon and will offer gamers hours of unique gameplay.
- 12
Filament
Single-player alternative to SOLAS 128 — playable solo, no multiplayer required. Shares Strategy and Indie with SOLAS 128.
Solve challenging cable-based puzzles and uncover what really happened to the crew of The Alabaster. Now with Hint System (for those ultra tricky puzzles).
- 13
The Zachtronics Solitaire Collection
Single-player alternative to SOLAS 128 — playable solo, no multiplayer required. Shares Indie and Casual with SOLAS 128.
The Zachtronics Solitaire Collection is here! Inside you will find all seven Zachtronics solitaire games, updated with new 4K graphics, plus one brand new Tarot-themed solitaire variant only available here.
- 14
CRT7
Single-player alternative to SOLAS 128 — playable solo, no multiplayer required. Shares Indie and Casual with SOLAS 128.
Decypher strange computers, unravel modified tape players, and unlock impossible doors. Point and click your way around a mysterious basement in this challenging escape room game! Can you uncover what secrets are hiding in the dark when even time and space are against you?