Games like Hivetide
Games like Hivetide include FTL: Faster Than Light, Creeper World 3: Arc Eternal, Infested Planet, Defense Grid: The Awakening, and Aliens: Dark Descent. We matched them by the tags players give Hivetide on Steam (Strategy, Tower Defense, Incremental, Sci-fi, and Aliens): closest matches first, and among equally close ones the better-known games.

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

Creeper World 3: Arc Eternal
Shared: Strategy · Tower Defense · Sci-fi

Infested Planet
Shared: Strategy · Tower Defense · Sci-fi

Defense Grid: The Awakening
Shared: Strategy · Tower Defense · Sci-fi

Aliens: Dark Descent
Shared: Strategy · Sci-fi · Real Time Tactics

Starship Troopers: Terran Command
Shared: Strategy · Sci-fi · Singleplayer

Plants vs. Zombies GOTY Edition
Shared: Tower Defense · Strategy · Singleplayer

Bloons TD 6
Shared: Strategy · Tower Defense · Singleplayer

Minimalist Tower Defense
Shared: Strategy · Tower Defense · Real Time Tactics

Door Kickers
Shared: Strategy · Top-Down · Singleplayer

X-Morph: Defense
Shared: Strategy · Tower Defense · Sci-fi

Dungeon Warfare
Shared: Strategy · Tower Defense · 2D

Sir, We Have an Orc Problem
Shared: Tower Defense · Incremental · Strategy

GemCraft - Chasing Shadows
Shared: Strategy · Tower Defense · Top-Down

XCOM: Enemy Unknown
Shared: Strategy · Sci-fi · Aliens

Kingdom Rush 5: Alliance TD
Shared: Strategy · Tower Defense · 2D

Kingdom Rush - Tower Defense
Shared: Strategy · Tower Defense · 2D

Cosmoteer: Starship Architect & Commander
Shared: Sci-fi · Strategy · Singleplayer

Sanctum 2
Shared: Tower Defense · Strategy · Sci-fi

Taur
Shared: Strategy · Tower Defense · Sci-fi

RimWorld
Shared: Strategy · Sci-fi · Singleplayer

Door Kickers 2: Task Force North
Shared: Strategy · Real Time Tactics · Top-Down

Anomaly Warzone Earth
Shared: Strategy · Tower Defense · Sci-fi

DG2: Defense Grid 2
Shared: Strategy · Tower Defense · Sci-fi