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

Thronefall
Shared: Tower Defense · Strategy · City Builder

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

The King is Watching
Shared: Tower Defense · Base Building · Strategy

Bee Island
Shared: Tower Defense · Strategy · City Builder

They Are Billions
Shared: Strategy · Base Building · Tower Defense

Tower Dominion
Shared: Tower Defense · Strategy · Base Building

Stronghold: Definitive Edition
Shared: Strategy · City Builder · Tower Defense

Nordhold
Shared: Tower Defense · Strategy · Roguelite

Emberward
Shared: Tower Defense · Strategy · Roguelite

Bad North: Jotunn Edition
Shared: Tower Defense · Minimalist · Real Time Tactics

Rogue Tower
Shared: Tower Defense · Strategy · Minimalist

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

Stronghold Crusader: Definitive Edition
Shared: Strategy · City Builder · Tower Defense

Manor Lords
Shared: Strategy · City Builder · Base Building

Kingdom: New Lands
Shared: Tower Defense · Minimalist · Base Building

Tower Factory
Shared: Tower Defense · Strategy · Roguelite

Border Pioneer
Shared: Tower Defense · Strategy · City Builder

Drill Core
Shared: Strategy · Tower Defense · Roguelite

Age of Darkness: Final Stand
Shared: Tower Defense · Strategy · Base Building

There Are No Orcs
Shared: Tower Defense · City Builder · Strategy

Stronghold HD (2012)
Shared: City Builder · Tower Defense · Real Time Tactics

Infection Free Zone
Shared: City Builder · Strategy · Base Building

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

Workers & Resources: Soviet Republic
Shared: Strategy · City Builder · Base Building