1
Squirrel's Pick Squirrel's PickThe best game on this page. If you only try one, try this.
Base-BuildingSpaceColony Sim
$24.99 ~47.1 hr median no co-op complexity: moderate 85.8% of 11k
The Squirrel's verdictShip design and crew micromanagement define Space Haven: you draft the layout of individual vessels, assign crew to roles, and watch the simulation play out at a personal scale rather than an empire one. The underlying systems are numbers-heavy like Solar Expanse, but reviewers consistently flag a clunky UI and a tutorial that is nearly mandatory to avoid early failure. Median playtime is 47 hours and the Steam rating is Very Positive at 85.8%.
Not for you if you want streamlined menus and clear onboarding rather than a control scheme reviewers say demands a proper tutorial to even function.
2
ExplorationColony SimBase-Building
Strong Mods Strong ModsA deep, active modding scene extends it past its base content.
$29.99 ~53.8 hr median no co-op complexity: heavy 87% of 2k
The Squirrel's verdictStardeus focuses entirely on a single ship rather than a multi-body empire: fire spreads through walls, individual colonists can die, and a wiring system for power connections runs through most of the early game. Reviewers who find that wiring mechanic tedious or the early grind punishing tend to bounce off it, but those who stay report a deep, finished simulation. Released 2022, Very Positive (87%), median playtime 53.8 hours.
Not for you if you want multi-planet empire management rather than single-ship colony sim, or find repetitive early-game grinding and manual power-wiring a dealbreaker.
3
Closest Match Closest MatchThe most similar game to the anchor, by what players say. Budget Pick Budget PickThe best game here for the least money.
Base-BuildingAutomationResource Management
$19.99 ~40.6 hr median co-op complexity: moderate 80.9% of 3k
The Squirrel's verdictBoth put you managing resource logistics across space bodies with numbers-driven progression rather than twitch action. Astro Colony trades Solar Expanse's empire-scale ledgers for first-person factory building: you personally wire conveyors, place smelters, and automate asteroid catching. Released at 1.0 with co-op support, it suits players who want hands-on automation puzzles over strategic oversight.
Not for you if you want the strategic distance of managing an empire rather than personally wiring conveyor belts and placing individual factory parts.
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Open World Survival CraftAutomationSurvival
$19.99 ~19.8 hr median no co-op 83.9% of 521
The Squirrel's verdictSpace Trash Scavenger puts physics-based scavenging at its center: a tractor beam pulls debris toward your ship, conveyor belts sort and process it, and objects that gain too much momentum drift permanently into the void. The loop is manual and grind-heavy throughout, with a single ship rather than any empire to manage. Released 2024, Very Positive at 83.9%, with a median of 19.8 hours played.
Not for you if you want multi-colony empire management rather than single-ship scavenging, or physics-based object loss will frustrate you.
5
Colony SimBase-BuildingCity Builder
Strong Mods Strong ModsA deep, active modding scene extends it past its base content.
$34.99 ~36.2 hr median no co-op complexity: heavy 76.5% of 841
The Squirrel's verdictSolargene is built around realistic orbital mechanics and closed-loop life support as core simulation layers, giving it considerably more systems depth than most space colony managers. Players who want to engineer supply chains that respect orbital physics and atmosphere recycling will find more to engage with here than in abstraction-light competitors. The tutorial is widely criticized as inadequate for the game's complexity, and median playtime sits at 36.2 hours.
Not for you if you need a clear, well-explained tutorial before tackling dense interlocking systems like room-building, supports, and construction placement.
How the Squirrel matches games
Not tag overlap. We compare what players actually say across hundreds of
thousands of reviews about how each game feels to play, then break
the comparison into the mechanics you can see in each card. The mark on
every bar is Solar Expanse - Space Exploration Manager's own score, so you can read where a match runs
hotter or cooler than the anchor.
Verdicts are written against a fixed editorial standard, machine-audited,
and human spot-checked. Which games make the cut is a human call. Prices
and review data refresh automatically. Full method & AI disclosure →