When comparing Factorio vs Garry's Mod, the Slant community recommends Factorio for most people. In the question“What are the best LAN party PC games?” Factorio is ranked 11th while Garry's Mod is ranked 27th. The most important reason people chose Factorio is:
With proper planning, users can "code" together very precise ways to create all the things needed for the game, some in very inventive ways that can differ quite a bit. This allows for tons of replayability.
Specs
Ranked in these QuestionsQuestion Ranking
Pros
Pro Endless solutions
With proper planning, users can "code" together very precise ways to create all the things needed for the game, some in very inventive ways that can differ quite a bit. This allows for tons of replayability.
Pro Under active development
The game is still in Alpha which means endless future possibilities.
Pro Massive and infinite procedurally generated world
The playing world is as large as you want to explore, it automatically generates it as you explore more areas.
Pro Cooperative or PvP building
Factorio also supports multiplayer, allowing many players to cooperate and assist each other, or work against each other in PvP. By default, multiplayer games run the CO-OP freeplay scenario where all players work together to launch a rocket with a satellite into space.
Pro Charming old school graphics
While not the most technically advanced graphics the look of the game is much like a game from the 90s but seeing it in action when an assembly line starts moving there is an impressiveness to it that suits the game quite well.
Pro The games mechanics and mods allow for ridiculously funny gameplay
You can do some really crazy things in this game thanks to all of the community mods available as well as the built in, in game tools. Pretty much any scenario can play out in the game, if you so desire. Of course the winning combination of funny tends to be when players are just goofing around.
Pro Tons of community made add-ons allows the game to continually grow
Garry's Mod has a wide variety of community made add-ons, which deeply extends the games content and versatility. Pretty much, if you can think of it, someone has probably already made it.
Cons
Con Can become rather repetitive
There's really little payoff for being able to build really long chains of automation, it usually results in being able to open a new tech tree which allows the player to continue the process of building automation chains ad infinitum, which, admittedly can become rather boring after a while.
Con Still in Early Access
The game is still in Early Access which means there will be bugs as well as missing features.
Con It has nothing to tell as a campaign. Tastes like void, that is "meh".
Con Previously free to download
Garry's Mod used to be a free download but it is now a paid game on the Steam store.
Con Tons of bugs
At least in earlier versions.