Games like Border Pioneer
Games like Border Pioneer include Thronefall, The King is Watching, Kingdom Two Crowns, Age of Empires II (Retired), and Kingdom Rush 6: Genesis TD. We matched them by the tags players give Border Pioneer on Steam (Tower Defense, Strategy, City Builder, Base Building, and Medieval): closest matches first, and among equally close ones the better-known games.
Thronefall
Shared: Tower Defense · Strategy · City Builder
The King is Watching
Shared: Tower Defense · Base Building · Strategy
Kingdom Two Crowns
Shared: Tower Defense · City Builder · Base Building
Age of Empires II (Retired)
Shared: Strategy · Medieval · RTS
Kingdom Rush 6: Genesis TD
Shared: Tower Defense · Strategy · Action
They Are Billions
Shared: Strategy · Base Building · Tower Defense
There Are No Orcs
Shared: Tower Defense · City Builder · Strategy
Age of Empires III: Definitive Edition
Shared: Strategy · Base Building · City Builder
Kingdom Rush - Tower Defense
Shared: Tower Defense · Strategy · Action
Stronghold: Definitive Edition
Shared: Strategy · City Builder · Medieval
Stronghold Crusader: Definitive Edition
Shared: Strategy · City Builder · Medieval
Age of Empires: Definitive Edition
Shared: Strategy · Base Building · City Builder
Rise to Ruins
Shared: Tower Defense · City Builder · Strategy
Becastled
Shared: Strategy · Base Building · City Builder
Age of Darkness: Final Stand
Shared: Tower Defense · Strategy · Base Building
Kingdom Rush Vengeance - Tower Defense
Shared: Tower Defense · Strategy · Medieval
Mindustry
Shared: Tower Defense · Base Building · Strategy
Nordhold
Shared: Tower Defense · Strategy · Base Building
Kingdom Rush 5: Alliance TD
Shared: Tower Defense · Strategy · Fantasy
Total War: WARHAMMER II
Shared: Strategy · Fantasy · RTS
GemCraft - Frostborn Wrath
Shared: Tower Defense · Strategy · RTS
Kingdom Rush Origins - Tower Defense
Shared: Tower Defense · Strategy · Medieval
Stronghold HD (2012)
Shared: City Builder · Medieval · Tower Defense
DG2: Defense Grid 2
Shared: Tower Defense · Strategy · Action