Like more than one of them
15 games close to two or more of Terraformers, Stardew Valley and Garry's Mod
Starbound
Garry's Mod, but about survival, and with crafting
Loved · 90%Sandbox · BuildingAlso like Terraformers
Core Keeper
Garry's Mod, but open world, and pixel art
Loved · 93%Sandbox · BuildingAlso like Terraformers
The Planet Crafter
Terraformers, but a survival crafting game, and not a roguelike
Loved · 96%Survival · SpaceAlso like Garry's Mod
Terraria
Garry's Mod, but 2D, and about survival
Loved · 97%Sandbox · BuildingAlso like Stardew Valley
Reassembly
Garry's Mod, but a shoot 'em up, and single-player
Loved · 94%Building · SandboxAlso like Terraformers
Kerbal Space Program 2
Terraformers, but a space sim, and half the hours
Disliked · 26%Science · SpaceAlso like Garry's Mod
Abiotic Factor
Garry's Mod, but co-op, and with crafting
Loved · 96%Sandbox · Online Co-OpAlso like Terraformers
Empyrion - Galactic Survival
Garry's Mod, but a space sim, and more divisive
Mixed · 78%Building · PhysicsAlso like Terraformers
Hardspace: Shipbreaker
Terraformers, but a job sim, and full of puzzles
Liked · 89%Space · Procedural GenerationAlso like Garry's Mod
Icarus
Garry's Mod, but a survival crafting game, and more divisive
Mixed · 75%Building · SandboxAlso like Terraformers
Spaceflight Simulator
Terraformers, but a space sim, and 2D
Loved · 97%Science · SpaceAlso like Garry's Mod
Space Engineers 2
Terraformers, but a quarter of the hours, and more divisive
Mixed · 75%Space · ScienceAlso like Garry's Mod
Medieval Dynasty
Stardew Valley, but a colony sim, and a survival crafting game
Loved · 90%Crafting · BuildingAlso like Garry's Mod
Garden Paws
Stardew Valley, but a shopkeeping game, and half the hours
Loved · 90%Farming Sim · AgricultureAlso like Garry's Mod
More like Terraformers
3 games closest to Terraformers of your picks
Oxygen Not Included
Terraformers, but built by hand, and three times the hours
Loved · 97%Survival · Resource Management
More like Stardew Valley
6 games closest to Stardew Valley of your picks
Forager
Stardew Valley, but a survival crafting game, and an incremental game
Liked · 89%Farming Sim · Crafting
More like Garry's Mod
6 games closest to Garry's Mod of your picks
Scrap Mechanic
Garry's Mod, but a survival crafting game, and with base building
Loved · 92%Building · Physics
Fireworks Mania - An Explosive Simulator
Garry's Mod, but a hobby sim, and a tenth of the hours
Loved · 97%Sandbox · Physics
Satisfactory
Garry's Mod, but an automation game, and with base building
Loved · 97%Building · Sandbox
How this list is made
Each game is measured against each of your picks the way a games-like list measures it: the Steam community tags, Steam genres and IGDB themes they share, each counting for more the fewer games carry it. A game's place is how alike it is to your picks together, as a share of each pick's best match, so one alike to two of them comes before one alike to just one. It must be close to at least one of them, as close as it would have to be on that game's own list.
None of your picks is on the list, nor a second release of one, nor a game of their own series. Up to 30 games are shown. Under each name, the kinds it shares with the pick it is closest to, and how it differs from that pick.