Games like Horizon Ring
Games like Horizon Ring include Kingdom Two Crowns, RimWorld, They Are Billions, Thronefall, and Kingdom: New Lands. We matched them by the tags players give Horizon Ring on Steam (Tower Defense, Strategy, Incremental, Base Building, and Minimalist): closest matches first, and among equally close ones the better-known games.
Kingdom Two Crowns
Shared: Tower Defense · Minimalist · Base Building
RimWorld
Shared: Strategy · Base Building · Survival
They Are Billions
Shared: Strategy · Base Building · Tower Defense
Thronefall
Shared: Tower Defense · Strategy · Minimalist
Kingdom: New Lands
Shared: Tower Defense · Base Building · Minimalist
DG2: Defense Grid 2
Shared: Tower Defense · Strategy · Base Building
Taur
Shared: Tower Defense · Strategy · Base Building
Plants vs. Zombies GOTY Edition
Shared: Tower Defense · Strategy · Singleplayer
XCOM: Enemy Unknown
Shared: Strategy · Tactical · Base Building
Creeper World 3: Arc Eternal
Shared: Tower Defense · Strategy · Base Building
The Riftbreaker
Shared: Tower Defense · Base Building · Survival
Oxygen Not Included
Shared: Base Building · Survival · Strategy
Minimalist Tower Defense
Shared: Tower Defense · Strategy · Minimalist
Bloons TD 6
Shared: Tower Defense · Strategy · Singleplayer
Outhold
Shared: Tower Defense · Incremental · Strategy
Rise to Ruins
Shared: Tower Defense · Strategy · Base Building
FTL: Faster Than Light
Shared: Strategy · Sci-fi · Singleplayer
Bee Island
Shared: Tower Defense · Strategy · Minimalist
Legion TD 2 - Multiplayer Tower Defense
Shared: Tower Defense · Strategy · Base Building
Rogue Tower
Shared: Tower Defense · Strategy · Minimalist
Going Medieval
Shared: Strategy · Base Building · Survival
Tower Dominion
Shared: Tower Defense · Strategy · Base Building
Dungeon Defenders
Shared: Tower Defense · Strategy · Survival
Defense Grid: The Awakening
Shared: Tower Defense · Strategy · Sci-fi