Games like Codex of Victory
Games like Codex of Victory include BattleTech, XCOM: Enemy Unknown, Into the Breach, Sid Meier's Civilization®: Beyond Earth™, and Warhammer 40,000: Mechanicus. We matched them by the tags players give Codex of Victory on Steam (Strategy, Indie, Turn-Based, Sci-fi, and Base Building): closest matches first, and among equally close ones the better-known games.

BattleTech
Shared: Strategy · Turn-Based · Sci-fi

XCOM: Enemy Unknown
Shared: Strategy · Sci-fi · Turn-Based

Into the Breach
Shared: Strategy · Indie · Turn-Based

Sid Meier's Civilization®: Beyond Earth™
Shared: Strategy · Sci-fi · Turn-Based

Warhammer 40,000: Mechanicus
Shared: Strategy · Sci-fi · Turn-Based

ENDLESS Legend™
Shared: Strategy · Turn-Based · Hex Grid

XCOM®: Chimera Squad
Shared: Strategy · Turn-Based · Sci-fi

FTL: Faster Than Light
Shared: Strategy · Indie · Sci-fi

ENDLESS Space™ 2
Shared: Strategy · Sci-fi · Space

Warhammer 40,000: Gladius - Relics of War
Shared: Strategy · Turn-Based · Sci-fi

Mechabellum
Shared: Strategy · Mechs · Wargame

STAR WARS Zero Company™
Shared: Strategy · Sci-fi · Turn-Based

ENDLESS Space™ - Definitive Edition
Shared: Strategy · Sci-fi · Turn-Based

Sid Meier's Civilization® V
Shared: Strategy · Turn-Based · Turn-Based Strategy

Dyson Sphere Program
Shared: Base Building · Space · Sci-fi

Terraforming Mars
Shared: Strategy · Turn-Based · Space

The Last Spell
Shared: Strategy · Turn-Based · Turn-Based Strategy

Space Hulk (Classic)
Shared: Strategy · Turn-Based · Indie

Sid Meier’s Civilization® VI
Shared: Strategy · Turn-Based · Turn-Based Strategy

Age of Wonders: Planetfall
Shared: Strategy · Sci-fi · Turn-Based

Unity of Command II
Shared: Strategy · Turn-Based · Indie

Spacebase DF-9
Shared: Strategy · Sci-fi · Base Building

Sunrider: Mask of Arcadius
Shared: Strategy · Space · Sci-fi

Sid Meier's Starships
Shared: Strategy · Sci-fi · Space