Games like Nocturn
Games like Nocturn include The King is Watching, Age of Mythology: Retold, Total War: WARHAMMER III, Age of Darkness: Final Stand, and Aliens: Dark Descent. We matched them by the tags players give Nocturn on Steam (Strategy, Roguelike, RTS, Traditional Roguelike, and Real Time Tactics): closest matches first, and among equally close ones the better-known games.

The King is Watching
Shared: Roguelike · RTS · Strategy

Age of Mythology: Retold
Shared: Strategy · RTS · 3D

Total War: WARHAMMER III
Shared: Strategy · RTS · Real Time Tactics

Age of Darkness: Final Stand
Shared: Strategy · RTS · 3D

Aliens: Dark Descent
Shared: Strategy · RTS · Real Time Tactics

Tower Dominion
Shared: Strategy · Roguelike · RTS

Broken Arrow
Shared: Strategy · RTS · Real Time Tactics

FTL: Faster Than Light
Shared: Roguelike · Strategy · Indie

Tabletop Tavern
Shared: Strategy · Roguelike · RTS

Total War: WARHAMMER II
Shared: Strategy · RTS · Dark Fantasy

Planetary Annihilation: TITANS
Shared: Strategy · RTS · Real Time Tactics

Nordhold
Shared: Strategy · Roguelike · Dark Fantasy

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

Company of Heroes 3
Shared: Strategy · RTS · Real Time Tactics

Nubby's Number Factory
Shared: Strategy · Roguelike · Stylized

Call to Arms - Gates of Hell: Ostfront
Shared: Strategy · RTS · Real Time Tactics

Cossacks 3
Shared: Strategy · RTS · 3D

Last Train Home
Shared: Strategy · RTS · Real Time Tactics

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

Tempest Rising
Shared: Strategy · RTS · 3D

Warhammer 40,000: Dawn of War - Definitive Edition
Shared: Strategy · RTS · 3D

Slay the Spire 2
Shared: Roguelike · Strategy · Indie

Creeper World 4
Shared: Real Time Tactics · RTS · Strategy

Commandos: Origins
Shared: Strategy · RTS · Real Time Tactics