Games like Sid Meier's Civilization® IV

The Squirrel's verdictSame turn-based empire-building loop: expand, develop cities, fight wars, chase victory across eras. Humankind replaces fixed civilizations with a culture-per-era system you combine as you go, uses district-based city building instead of single-tile improvements, and drops one-unit-per-tile stacking. Suits players wanting Civ's scale with a different identity and combat model.

Not for you if you need small text and yield numbers to be legible without cranking UI settings, or want one fixed civilization instead of mixing cultures each era.

The Squirrel's verdictColonization shares Sid Meier's tile-based, turn-based structure but focuses on New World economic building — trading with natives and European powers — rather than world conquest or tech racing. This is the unaltered 1994 DOS original running through DOSBox, with unchanged graphics and MIDI music, not the Civ IV-engine remake. Median playtime runs around 58 hours. Suits players who want the historical source material over modern presentation.

Not for you if you need modern graphics and UI rather than an unaltered 1994 DOS game running through DOSBox.

The Squirrel's verdictAn orders-and-legitimacy system replaces unlimited turns, and dynasty succession adds event-driven choices with lasting consequences — the two mechanics that most distinguish Old World from standard 4X play. Tech trees, city management, and AI opponents on a historical map remain. Resources run more abundant than in Civ IV, so challenge shifts toward politics and family management rather than scarcity. Suits players who want deeper AI and narrative texture over open-ended empire sprawl.

Not for you if you want empire-building driven by resource scarcity and map conquest rather than dynastic events and character-based consequences.

The Squirrel's verdictTurn-based empire building with tile-based movement and city management like Civ IV, narrowed to the ancient Mediterranean between 1000 BC and 500 AD. One reviewer calls it an older Civ game refocused on that region. Fewer unit types and a simpler core loop than Civ IV, but reviewers describe deep decision-making underneath. Single player only.

Not for you if you want Civ IV's era-spanning scope and unit variety rather than a narrower ancient-Mediterranean setting with a stripped-down unit roster.

The Squirrel's verdictGalactic Civilizations II is a space-based turn-based 4X: build an empire from scratch, manage tech and expansion over many turns, win through sustained strategy rather than twitch skill. It offers no multiplayer or co-op, only solo play. A required Stardock account login has blocked access for multiple players, particularly after switching PCs, and the 32-bit memory ceiling causes performance limits on large maps.

Not for you if you want multiplayer, a light per-turn workload, or reliable access without a mandatory third-party account login.

The Squirrel's verdictGrowth-driven region annexation replaces stacked-tile armies, and five separate quality-of-life meters per city govern city health — both departures from Civ IV's city model. Nations still carry distinct bonuses, and city-building spans multiple eras. Reviewers describe the five QOL meters as backsliding even on easy difficulty, making per-city micromanagement substantially heavier than Civ IV. Fits players who want deeper city internals over broader empire management.

Not for you if you want streamlined city management rather than tracking five separate quality-of-life meters that can backslide even on easy difficulty.

The Squirrel's verdictYield! keeps the empire-building and victory-condition variety Civ IV built its reputation on, but compresses matches into roughly 30 minutes and full campaigns into an evening, with median playtime under 7 hours. Built for players who want the Civ turn-taking loop without multi-day save files, in a narrower ancient-Rome setting with co-op available.

Not for you if you want Civ IV's depth of eras, tech trees, and long campaigns rather than a shorter, narrower ancient-era 4X.

The Squirrel's verdictMillennia keeps the empire-building spine of Civ IV — build cities, manage resources, race through eras — but replaces fixed tech trees with branching 'ages' that let you specialize your civilization's path each playthrough. No co-op or multiplayer, single-player only. Suits players who want Civ IV's core loop reshuffled by a genuinely different progression structure.

Not for you if you need competent AI opponents or want to play with friends — reviews describe border-spamming AI and no multiplayer, per hard facts.