Games like Exorsite
Games like Exorsite include Squad, WARDOGS, PUBG: BATTLEGROUNDS, Holdfast: Nations At War, and Broken Arrow. We matched them by the tags players give Exorsite on Steam (Dark Fantasy, Military, Tactical, War, and Action RTS): closest matches first, and among equally close ones the better-known games.

Squad
Shared: Military · Tactical · PvP

WARDOGS
Shared: Military · Tactical · PvP

PUBG: BATTLEGROUNDS
Shared: Third-Person Shooter · Tactical · PvP

Holdfast: Nations At War
Shared: War · Military · Tactical

Broken Arrow
Shared: Wargame · Action RTS · War

World of Warships
Shared: Third-Person Shooter · PvP · Military

Arma 3
Shared: Military · Tactical · War

Call to Arms
Shared: Military · War · Tactical

BattleBit Remastered
Shared: Military · War · Tactical

Call of Duty®
Shared: Military · War · Tactical

Wargame: Red Dragon
Shared: Military · Tactical · Wargame

WARNO
Shared: Military · Wargame · War

Foxhole
Shared: Military · Wargame · War

Insurgency: Sandstorm
Shared: Military · Tactical · War

Company of Heroes 2
Shared: Tactical · War · Military

Men of War: Assault Squad 2
Shared: War · Tactical · Military

Insurgency
Shared: Tactical · Military · War

Battlefield™ 6
Shared: Military · War · Tactical

Ravenfield
Shared: War · Military · Shooter

Total War: THREE KINGDOMS
Shared: War · Military · Tactical

XCOM 2
Shared: Tactical · Military · War

Steel Division 2
Shared: Military · War · Tactical

RUNNING WITH RIFLES
Shared: Tactical · Military · Wargame

Arma Reforger
Shared: Military · Shooter · War