Games Like Last Call BBS

Opus Magnum is the latest open-ended puzzle game from Zachtronics, the creators of SpaceChem, Infinifactory, and SHENZHEN I/O. Design and build machines that assemble potions, poisons, and more using the alchemical engineer’s most advanced tool: the transmutation engine!

Why similar: Automation 48.1%, Puzzle 20%, Logic 16.5%, Simulation 5.1%, Building 4.7%

Why You'll Like It: A quintessential Zachtronics puzzle game that focuses on building intricate mechanical machines to solve chemical engineering challenges.

BUILD CIRCUITS. WRITE CODE. RTFM.

Why similar: Automation 47.3%, Logic 20.5%, Puzzle 12.9%, Solitaire 5.1% ★, Sandbox 4.9%

Why You'll Like It: A deep dive into hardware design and assembly programming that mirrors the technical complexity found in the Z5 Powerlance games.

The year is 1997. You used to be a hacker, but now you have the phage. You made a deal: one hack, one dose. There’s nothing left to lose… except your life.

Why similar: Automation 47.1%, Logic 20.7%, Puzzle 17.9%, Sandbox 8.3%, Simulation 5.6%

Why You'll Like It: This game perfectly captures the hacker aesthetic and assembly-language programming puzzles that define the Zachtronics experience.

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.

Why similar: Solitaire 73% ★, Card Game 21.4%, Casual 2.7%, 2D 2.4%, Singleplayer 0.5%

Why You'll Like It: This collection features the various solitaire games created by Zachtronics, directly mirroring the card-based distractions found in Last Call BBS.

Infinifactory is a sandbox puzzle game by Zachtronics, the creators of SpaceChem and Infiniminer. Build factories that assemble products for your alien overlords, and try not to die in the process.

Why similar: Automation 37.7%, Building 17.3%, Sandbox 16.1%, Puzzle 16.1%, Logic 8.2%

Why You'll Like It: A 3D automation puzzle game that challenges players to build efficient assembly lines, sharing the same logic-heavy design philosophy as Zachtronics titles.

TIS-100 is an open-ended programming game by Zachtronics, the creators of SpaceChem and Infinifactory, in which you rewrite corrupted code segments to repair the TIS-100 and unlock its secrets. It’s the assembly language programming game you never asked for!

Why similar: Puzzle 34.1%, Logic 28.4%, Automation 27%, Simulation 9.9%, Singleplayer 0.6%

Why You'll Like It: An uncompromisingly difficult assembly-language programming game that feels like a direct ancestor to the retro-computing puzzles in Last Call BBS.

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!

Why similar: Puzzle 35.4%, Automation 33.8%, Logic 25.6%, Building 2%, Simulation 1.4%

Why You'll Like It: One of the most influential automation puzzle games ever made, requiring players to design complex chemical reactors using visual programming.

SOKOBOT is an open-ended puzzle game where you place down cute robots, give them commands, and create infinitely-looping assembly lines that combine shapes together!

Why similar: Automation 35.7%, Logic 18.3%, Sandbox 15.2%, Building 14.5%, Puzzle 11.8%

Why You'll Like It: A clever automation puzzle game that requires you to program a robot to move objects, perfectly matching the logic-puzzle feel of the seed game.

Automate swarms of office workers to solve puzzles inside your very own parallel computer made of people. A thrilling followup to the award winning Human Resource Machine. Now with more humans!

Why similar: Puzzle 32.8%, Logic 27.7%, Automation 27.7%, Simulation 11.1%, Singleplayer 0.6%

Why You'll Like It: A programming-based puzzle game where you manage a swarm of office workers to solve tasks, emphasizing logic and parallel processing.

Learn CPU architecture with puzzles

Why similar: Logic 33.6%, Automation 27.2%, Puzzle 15.5%, Building 10.1%, Simulation 6.9%

Why You'll Like It: A comprehensive game that lets you build a functional computer from the ground up, starting with simple logic gates.

Program little office workers to solve puzzles. Be a good employee! The machines are coming... for your job. From the creators of World of Goo and Little Inferno.

Why similar: Automation 38.3%, Puzzle 30.1%, Logic 14.3%, Simulation 7.7%, Sandbox 5.7%

Why You'll Like It: A charming yet challenging puzzle game that teaches assembly-like concepts through the lens of office automation.

Virtual Circuit Board is the sandbox drawing-based logic simulator where you can build, program, decorate, and simulate anything from simple monochrome circuits to complex and colorful computers. Play with digital logic in this sandbox-only experience.

Why similar: Automation 31.1%, Logic 18.4%, Sandbox 18.3%, Building 16%, Puzzle 8%

Why You'll Like It: A sandbox simulation that lets you build and test complex electronic circuits, perfect for those who enjoy the hardware-design aspects of Last Call BBS.

When you have a top-of-the-line hacking deck armed with a 56.6k modem and a staggering 256k RAM, it means just one thing: you answer only to the highest bidder.

Why similar: Puzzle 88.2%, Casual 6.7%, Singleplayer 5%

Why You'll Like It: A retro-tech hacking game that uses a terminal-based interface to solve puzzles, capturing the 90s hacker vibe perfectly.

Invent a new computer! Logic World is a first-person sandbox simulation game that's all about digital logic. Play alone or with friends, design unique machines, build up layers of complexity, and experience the joy of circuits!

Why similar: Automation 33.1%, Logic 19%, Building 16.8%, Sandbox 16.1%, Puzzle 10.1%

Why You'll Like It: A sandbox game focused on digital logic and circuit building, allowing for the creation of incredibly complex machines.

Retro Gadgets is a sandbox where you build, code, and customize gadgets inspired by old-school electronics.

Why similar: Automation 30.5%, Building 13.1%, 1990's 11.5%, Sandbox 10.9%, Logic 8.8%

Why You'll Like It: A creative sandbox game that allows you to build and program your own retro-style electronic devices.

Bitburner is a programming-based incremental game. Write scripts in JavaScript to automate gameplay, learn skills, play minigames, solve puzzles, and more in this cyberpunk text-based incremental RPG.

Why similar: Automation 71.4%, Sandbox 11.6%, Puzzle 10.2%, Simulation 6.4%, Singleplayer 0.5%

Why You'll Like It: A terminal-based programming game that allows you to automate hacking and system management, appealing to fans of deep, technical gameplay.

Build hardware. Solve puzzles. From the creator of Manufactoria, a new open-ended puzzle game set in Silicon Valley's first startup.

Why similar: Puzzle 52.7%, Simulation 45.7%, Singleplayer 1.7%

Why You'll Like It: A hardware design puzzle game that tasks you with building processors and logic circuits to meet specific performance goals.

A rich and challenging physics-based puzzle /logic /construction /programming game! Master ballistics, fluid mechanics, thermodynamics, chemical and nuclear reactions, use automation bricks, build structures, machines, vehicles, produce power, solve puzzles, pierce the fog and defeat CHR$!

Why similar: Automation 41.6%, Building 16.8%, Logic 13.7%, Puzzle 9.9%, Retro 8.3%

Why You'll Like It: A puzzle game that focuses on building and automation within a retro-pixel art environment.

You’re a machine learning specialist who makes neural networks but your cat seems to be better at it. Now you must solve puzzles to build a cat-to-human translation system (who knows what else this cat is capable of!). Earn a fortune, buy kickass cat outfits, learn how machine learning really works!

Why similar: Puzzle 26.5%, Sandbox 24.5%, Building 23.1%, Simulation 13.8%, Logic 11.9%

Why You'll Like It: A visual programming game that focuses on machine learning and automation, offering a more accessible but equally rewarding puzzle experience.

Hacknet is an immersive, terminal-based hacking simulator for PC. Dive down a rabbit hoIe as you follow the instructions of a recently deceased hacker, whose death may not have been the accident the media reports.

Why similar: Logic 64.1%, Simulation 24.3%, 2D 10.1%, Singleplayer 1.6%

Why You'll Like It: A terminal-based hacking simulator that nails the retro-aesthetic and the feeling of navigating a 90s-style computer system.

Build the most advanced operating system ever created! Can you master the fictional simulation language of this mind-bending machine? Design circuits, automate UBITS (coloured mobile data blocks), and optimize your system. The Admin is always watching, and he’s not what he seems.

Why similar: Automation 38.1%, Sandbox 15.1%, Logic 13.5%, Building 13.5%, Puzzle 10.5%

Why You'll Like It: A simulation game that focuses on programming and automation, providing a similar logic-puzzle experience to the Zachtronics library.

Set in a post-apocalyptic future, The Signal State puts your logic skills to the test with complex puzzles inspired by modular synthesizers. Repair machines, rebuild an abandoned farm, and be part of a revolution that will change the fate of agriculture once and for all.

Why similar: Automation 39.3%, Logic 22.9%, Sandbox 16.3%, Puzzle 13.9%, Simulation 5.7%

Why You'll Like It: A modular synthesizer-inspired puzzle game that requires logic and signal routing, echoing the technical satisfaction of Zachtronics puzzles.

Comet 64 is a programming puzzle game. The year is 1984. All you got is a Comet 64 home computer and the operator's manual it came with.

Why similar: Automation 24.2%, Retro 14.6%, Sandbox 13.7%, Building 13.4%, Logic 12.3%

Why You'll Like It: A programming-centric puzzle game that leans heavily into the 8-bit/16-bit retro computing aesthetic.

The original physics building game is now on PC! Use minimal tools to build an infinite variety of puzzle-solving machines. Featuring over 70 THOUSAND user-generated levels, and includes the sequel Fantastic Contraption Classic 2!

Why similar: Building 24.8%, Automation 18.2%, Sandbox 17%, Puzzle 15.2%, Logic 12.6%

Why You'll Like It: A physics-based building game that challenges you to create machines to solve spatial puzzles, sharing the sandbox spirit of the seed game.

Turn a rundown laundromat into a radical ’90s arcade. Manage your business, expand your neon empire, and balance dirty laundry with over 35 playable arcade games. Build the ultimate arcade! From the team behind Vampire Crawlers.

Why similar: 1990's 36.1%, Retro 20.9%, Arcade 12.2%, Pixel Graphics 8.8%, PvP 8.1%

Why You'll Like It: A management game that captures the 90s arcade aesthetic and includes various playable mini-games, mirroring the retro-collection feel of Last Call BBS.

Kaizen is an open-ended puzzle automation game from the original Zachtronics team, set in 1980s Japan. Design, build, and optimize production lines to create iconic products, like calculators, camcorders, and arcade machines.

Why similar: Automation 27.6%, Solitaire 20.9% ★, Logic 14.4%, Building 9.2%, Retro 8.9%

MHRD is a hardware design game, in which you design various hardware circuits in a hardware description language. The hardware circuits you design get more complex as you go until you create a fully functional CPU design.

Why similar: Puzzle 53.4%, Simulation 46.6%

Why You'll Like It: A hardware design game that tasks you with building a computer from scratch using a hardware description language.

Build PowerPoint factories in Windows 95! Manage space, make increasingly complex slides and worry about Y2K in this challenging factory builder.

Why similar: Automation 21.8%, 1990's 14.4%, Logic 11.5%, Sandbox 10.5%, Building 9.9%

Welcome to a realm of pure logic, where rules are rules and the next step can always be deduced.

Why similar: Logic 39.9%, Retro 24.1%, Puzzle 19.9%, Pixel Graphics 9.9%, 2D 4.3%

Grey Hack is a massively multiplayer hacking simulator game. You're a hacker with full freedom to act as you wish on a vast network of procedurally generated computers.

Why similar: Logic 27.5%, Sandbox 26.5%, Simulation 24.8%, PvP 17.5%, 2D 3.7%

Why You'll Like It: A massive multiplayer hacking simulator that provides a realistic terminal experience for those who enjoy the technical side of Last Call BBS.

"Falling sand" style particle sandbox, now with circuits and stickmen!

Why similar: Automation 22.8%, Sandbox 17.2%, Logic 14.3%, Retro 13.3%, Building 10.1%

hackmud is a retro cyberpunk RPG where you play a digital persona in a chaotic, unpredictable, and often goofy abandoned internet. Enter a 90s hacker movie filled with scripts, scams, and sabotage. Explore the world of digital secrets and forge your legacy through cunning, creativity, or disruption.

Why similar: Puzzle 63.2%, Simulation 36.8%

Why You'll Like It: A text-based, multiplayer hacking simulator that requires actual scripting to succeed, catering to the most dedicated technical players.

Replicube is an open-ended programming puzzle game/toy about writing code to replicate 3D voxel-based objects. Solve puzzles, pursue leaderboard glory, or just make art to share with the in-game community.

Why similar: Sandbox 33.6%, Puzzle 24.7%, Retro 16.2%, Pixel Graphics 12.8%, Simulation 12.7%

A game about friendship, love and technology in a place where bits have replaced atoms.

Why similar: Singleplayer 100%

Why You'll Like It: An open-world game where you can reprogram the world around you using a custom programming language, offering a unique hacker experience.

Retro Falling Sand Puzzle Game

Why similar: 1990's 21.8%, Sandbox 16.4%, Logic 13.8%, Puzzle 13.4%, Retro 13.1%

After MI7 has been hacked, your primary goal is to bring a cyber-criminal network to justice. Played entirely from your computer's desktop, Mainlining is a thrilling point and click hacking adventure that features a gripping narrative which will have you hooked from the very first case.

Why similar: Puzzle 39.5%, Simulation 31.7%, Pixel Graphics 27.5%, Singleplayer 1.3%

Why You'll Like It: A point-and-click hacking game that uses a retro-inspired OS interface to solve investigations.

A collection of mysterious solitaires. The solitaires included vary from fairly standard cardgames to funky reimplementations of other games in solitaire form.

Why similar: Solitaire 45.4% ★, Card Game 17.2%, Logic 17.1%, Puzzle 13.1%, Pixel Graphics 4.9%

U.V.S. Nirmana is a engineering puzzle game from Coincidence, the creators of Kaizen: A Factory Story and the inventors of the Zach-like. Set off on the Unreturning Void Ship Nirmana as it continues a journey of uncountable eons toward the edge of the universe.

Why similar: Solitaire 36.1% ★, Logic 20.3%, Automation 19.3%, Puzzle 13.1%, Pixel Graphics 5.3%

NERTS! Online is a fast-paced competitive solitaire game for you and up to five of your friends, played the same way we play it at the Zachtronics office!

Why similar: Solitaire 60.5% ★, Card Game 18.3%, PvP 13.6%, Multiplayer 3.4%, 2D 2.1%

A sandbox logic puzzle game with a nostalgic temperament. You can experience the endless fun of designing automata here.

Why similar: Automation 46.1%, Building 19.6%, Puzzle 14.2%, Retro 11.7%, Simulation 6.3%

Look through someone else’s computer. Inspired by early “escape room” flash games.

Why similar: Puzzle 71.8%, Simulation 26.9%, Singleplayer 1.3%

Dive into a factory-building game with the focus on just that – building huge space factories! Design sprawling multi-level factories and satisfying production lines without limits. Tackle progressively challenging automation goals at your own pace, without the threat of enemies.

Why similar: Automation 40.2%, Logic 15%, Sandbox 14.9%, Building 14.7%, Puzzle 9.2%

Enter the most advanced challenge laboratory of today's games, where electronics and logic merge into challenges that will captivate your mind and awaken the engineer within you!

Why similar: Automation 43.9%, Logic 20.7%, Puzzle 20.5%, Simulation 11%, Casual 3.9%

Okay, Pedro is AWOL, and you have to get this LAN Party set up at the Game Store for the session later. Connect cables, install software, and solve puzzles all while you and the gang uncover the mystery of your missing friend.

Why similar: 1990's 65.8%, Puzzle 30%, Simulation 3%, Singleplayer 1.2%

Use the MOLEK-SYNTEZ to create small molecules with various pharmacological effects from the comfort of your small Romanian apartment.

Why similar: Automation 51%, Puzzle 24.8%, Simulation 14.8%, Logic 8.7%, Singleplayer 0.7%

A sci-fi management game where you build and optimize your computer's system from the ground up. Connect and configure interconnected nodes to efficiently download, process, and upload files. Manage your setup, solve system challenges, and become the ultimate system architect

Why similar: Automation 61.7%, Logic 17.6%, Simulation 9.6%, Sandbox 9.2%, 2D 1.9%

Super Plexis is a cross-platform multiplayer action puzzler inspired by classic console puzzle games. Play online with up to 4 players in a variety of game modes.

Why similar: 1990's 26.1%, Puzzle 20.5%, Retro 15.2%, Pixel Graphics 12.6%, PvP 10.3%

shapez is an easy-going, minimalistic factory building game about the automation of shapes through extraction and satisfying production lines. Adapt to increasingly complex shapes and grow your factory across an infinitely expanding map. Your only limitation is your creativity!

Why similar: Automation 48.2%, Sandbox 18.7%, Building 12%, Logic 9.1%, Puzzle 6.3%

The Balls are Back! The legendary 90s pinball game Balls of Steel returns to PC in all of its radical retro glory. Play through 5 classic top-down pinball tables and two BRAND NEW tables in classic BoS Style! Get 7 awesome retro tables in one package, rebuilt to run on modern PC hardware!

Why similar: 1990's 31.3%, Arcade 21.6%, Retro 12.9%, Simulation 12.3%, 2D 8.4%

Get settled into Gear Springs! Gather materials, craft items, go fishing, and battle it out with punch cards in the ruined facility. Don't get distracted though, you've still got to stop the last Craftsman and save the town!

Why similar: Automation 45%, Card Game 28.6%, Pixel Graphics 11.9%, Simulation 10%, 2D 4.5%

A game about building emulators! Implement your own NEEES core in JavaScript, get instant feedback with unit/video tests, build the graphics unit in real time, learn 6502 assembly, debug test ROMs, and have fun with the included homebrew games!

Why similar: Logic 42.2%, Puzzle 20.3%, Retro 15.8%, Simulation 11.6%, Pixel Graphics 9.8%

Automate It is a factory-building puzzle game that challenges players to find clever solutions within size, power, and time constraints. Design, build, and share your own puzzles with other players. If you want to build it - choose Automate It.

Why similar: Automation 35.3%, Sandbox 19.5%, Building 13.4%, Logic 12.3%, Puzzle 10.7%

you have an update for your operating system...

Why similar: Puzzle 24%, 1990's 22%, Logic 20.6%, Retro 17.3%, Casual 6.4%

Retrace the path of the Prime Mover to uncover the story of the Byte of Burden! Prime Mover is an open-ended puzzle game about designing circuit boards.

Why similar: Puzzle 54.9%, Simulation 28%, Pixel Graphics 16.2%, Singleplayer 0.9%

Break into the Landfall Archives to steal and play previously unreleased games, demos, interactive slide shows, and even an unreleased version of Totally Accurate Battle Simulator from 2017!

Why similar: Sandbox 42%, PvP 30.4%, Simulation 19.2%, Casual 6.7%, Singleplayer 1.6%

The engineering roguelike. Construct your combos by wiring circuits. Build crazy machines to zap the monsters and trigger satisfying chain reactions. Discover devastating synergies and create overpowered builds.

Why similar: Automation 78.7%, Pixel Graphics 13.1%, Simulation 7.4%, Singleplayer 0.7%

Progressbar95 is a unique indie game with a strong nostalgic vibe. It turns vintage GUI elements like panels, buttons and icons into game elements! Simple and addictive gameplay based on dozens of mini-games and puzzles. The game will make you smile!

Why similar: 1990's 28.4%, Retro 16.2%, Logic 13.5%, Puzzle 13.4%, Arcade 10%

Unleash your brainpower in Linkito and ignite the insurgency! Link, build, solve, defuse, and decode by using your logic. Craft your own challenges in the level editor or tackle community creations.

Why similar: Automation 36.7%, Logic 22.1%, Sandbox 20%, Puzzle 12.7%, Simulation 5.4%

Created by zsKnight of ZSNES is this really neat retro game collection containing a fun shuffler story mode and a challenging arcade mode. Features 52 different 8bit style games which includes local competitive multiplayer and various different game modes to play and enjoy.

Why similar: Retro 38.2%, Arcade 17.8%, Pixel Graphics 16.7%, Old School 12.6%, 2D 6.2%

Groundbreaking research is encrypted on a computer from the 80's. Look through the computer and search the internet to crack the encryption in this augmented reality puzzle game.

Why similar: Simulation 53.6%, Retro 35.4%, Multiplayer 9.7%, Singleplayer 1.3%