Games like Stormbridge
Games like Stormbridge include Thronefall, Bee Island, They Are Billions, Kingdom Two Crowns, and Frostpunk. We matched them by the tags players give Stormbridge on Steam (City Builder, Tactical, Roguelite, Tower Defense, and Strategy): closest matches first, and among equally close ones the better-known games.

Thronefall
Shared: City Builder · Tower Defense · Strategy

Bee Island
Shared: City Builder · Tower Defense · Strategy

They Are Billions
Shared: Strategy · City Builder · Base Building

Kingdom Two Crowns
Shared: City Builder · Tower Defense · Strategy

Frostpunk
Shared: City Builder · Strategy · Resource Management

Against the Storm
Shared: City Builder · Strategy · Base Building

Tower Dominion
Shared: Tower Defense · Strategy · Tactical

The King is Watching
Shared: Tower Defense · City Builder · Base Building

Emberward
Shared: Tower Defense · Roguelite · Strategy

Manor Lords
Shared: City Builder · Strategy · Base Building

Drill Core
Shared: Roguelite · Strategy · Tower Defense

Border Pioneer
Shared: City Builder · Tower Defense · Strategy

Cities: Skylines
Shared: City Builder · Strategy · Building

Age of Empires II (Retired)
Shared: Strategy · City Builder · Tactical

Kingdoms and Castles
Shared: City Builder · Strategy · Resource Management

DG2: Defense Grid 2
Shared: Tower Defense · Tactical · Strategy

Rise to Ruins
Shared: City Builder · Tower Defense · Strategy

Kingdom Rush 6: Genesis TD
Shared: Tower Defense · Strategy · Action

The Lost Village
Shared: City Builder · Roguelite · Base Building

Farthest Frontier
Shared: City Builder · Strategy · Resource Management

Nordhold
Shared: Tower Defense · Roguelite · Strategy

Kingdom Rush - Tower Defense
Shared: Tower Defense · Tactical · Strategy

Age of Darkness: Final Stand
Shared: Tower Defense · Strategy · Action RTS

Tower Factory
Shared: Tower Defense · Roguelite · Strategy