Games like Plane Starship2:Galactic Contender
Games like Plane Starship2:Galactic Contender include Sid Meier's Civilization®: Beyond Earth™, Sid Meier’s Civilization® VI, ENDLESS Space™ 2, Stellaris, and Warhammer 40,000: Gladius - Relics of War. We matched them by the tags players give Plane Starship2:Galactic Contender on Steam (Strategy, 4X, Turn-Based Strategy, Board Game, and Turn-Based Tactics): closest matches first, and among equally close ones the better-known games.

Sid Meier's Civilization®: Beyond Earth™
Shared: Strategy · Turn-Based Strategy · 4X

Sid Meier’s Civilization® VI
Shared: Strategy · Turn-Based Strategy · 4X

ENDLESS Space™ 2
Shared: Strategy · 4X · Turn-Based Strategy

Stellaris
Shared: Strategy · 4X · Space

Warhammer 40,000: Gladius - Relics of War
Shared: Strategy · 4X · Turn-Based Strategy

Heroes of Might and Magic: Olden Era
Shared: Strategy · Turn-Based Strategy · 4X

BattleTech
Shared: Strategy · Turn-Based Tactics · Turn-Based Strategy

XCOM®: Chimera Squad
Shared: Strategy · Turn-Based Strategy · Turn-Based Tactics

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

Sid Meier's Civilization® V
Shared: Strategy · Turn-Based Strategy · 4X

XCOM 2
Shared: Strategy · Turn-Based Tactics · Tactical

Battle Brothers
Shared: Strategy · Turn-Based Strategy · Turn-Based Tactics

MENACE
Shared: Strategy · Turn-Based Strategy · Turn-Based Tactics

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

STAR WARS™ Empire at War - Gold Pack
Shared: Strategy · Space · Sci-fi

ENDLESS Space™ - Definitive Edition
Shared: Strategy · 4X · Turn-Based Strategy

Xenonauts 2
Shared: Strategy · Turn-Based Strategy · Turn-Based Tactics

Age of Wonders: Planetfall
Shared: Strategy · 4X · Turn-Based Strategy

Sins of a Solar Empire II
Shared: Strategy · 4X · Space

Master of Orion
Shared: Strategy · 4X · Space

Total War: ROME II - Emperor Edition
Shared: Strategy · Turn-Based Strategy · Tactical

HUMANKIND™
Shared: Strategy · 4X · Turn-Based Strategy

Warhammer 40,000: Battlesector
Shared: Strategy · Turn-Based Strategy · Turn-Based Tactics

Total War: WARHAMMER II
Shared: Strategy · Turn-Based Strategy · War