Games like Dangerous Land
Games like Dangerous Land include Thronefall, Age of Darkness: Final Stand, They Are Billions, Age of Empires II (Retired), and Diplomacy is Not an Option. We matched them by the tags players give Dangerous Land on Steam (RTS, Strategy, Action, Base Building, and First-Person): closest matches first, and among equally close ones the better-known games.

Thronefall
Shared: Strategy · Tower Defense · Action

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

They Are Billions
Shared: Strategy · Base Building · RTS

Age of Empires II (Retired)
Shared: RTS · Strategy · Base Building

Diplomacy is Not an Option
Shared: RTS · Base Building · Resource Management

Mindustry
Shared: Base Building · RTS · Strategy

Age of Empires III: Definitive Edition
Shared: Strategy · RTS · Base Building

Cossacks 3
Shared: RTS · Strategy · Base Building

Infection Free Zone
Shared: Base Building · Strategy · RTS

The Alters
Shared: Base Building · Strategy · Exploration

Tempest Rising
Shared: RTS · Strategy · Base Building

Oxygen Not Included
Shared: Base Building · Strategy · Resource Management

The Riftbreaker
Shared: Base Building · Tower Defense · Exploration

DG2: Defense Grid 2
Shared: Strategy · Action · RTS

Age of Mythology: Retold
Shared: RTS · Strategy · Base Building

The King is Watching
Shared: RTS · Base Building · Strategy

Bee Island
Shared: Strategy · Tower Defense · Base Building

Once Human
Shared: Action · Exploration · Base Building

Manor Lords
Shared: Strategy · Base Building · Management

Tower Factory
Shared: Strategy · RTS · Tower Defense

Border Pioneer
Shared: Strategy · Base Building · Tower Defense

Warpips
Shared: Strategy · RTS · Tower Defense

Factorio
Shared: Base Building · Strategy · Resource Management

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