Games like Thunder Tier One
Games like Thunder Tier One include Counter-Strike 2, Tom Clancy's Rainbow Six Siege, Arma 3, Squad, and Delta Force. We matched them by the tags players give Thunder Tier One on Steam (Free to Play, Online Co-Op, Tactical, Top-Down Shooter, and Shooter): closest matches first, and among equally close ones the better-known games.
Counter-Strike 2
Shared: Shooter · Tactical · Multiplayer
Tom Clancy's Rainbow Six Siege
Shared: Tactical · Shooter · Online Co-Op
Arma 3
Shared: Military · Shooter · Tactical
Squad
Shared: Military · Tactical · Realistic
Delta Force
Shared: Free to Play · Online Co-Op · Shooter
Insurgency: Sandstorm
Shared: Tactical · Shooter · Military
Call of Duty®
Shared: Shooter · Multiplayer · Military
Zero Hour
Shared: Tactical · Shooter · Realistic
Apex Legends™
Shared: Free to Play · Shooter · Multiplayer
Insurgency
Shared: Tactical · Shooter · Realistic
THE FINALS
Shared: Free to Play · Shooter · Multiplayer
World of Warships
Shared: Free to Play · Shooter · Multiplayer
PUBG: BATTLEGROUNDS
Shared: Shooter · Online Co-Op · Multiplayer
GROUND BRANCH
Shared: Tactical · Military · Shooter
Team Fortress 2
Shared: Free to Play · Shooter · Multiplayer
Battlefield™ 6
Shared: Military · Shooter · Multiplayer
War Thunder
Shared: Free to Play · Military · Combat
WARDOGS
Shared: Tactical · Military · Multiplayer
Ready or Not
Shared: Tactical · Shooter · Realistic
Dota 2
Shared: Free to Play · Online Co-Op · Multiplayer
Tom Clancy's Ghost Recon® Breakpoint
Shared: Shooter · Military · Multiplayer
Call of Duty®: Warzone™
Shared: Free to Play · Shooter · Multiplayer
Gray Zone Warfare
Shared: Tactical · Realistic · Military
Tom Clancy's Ghost Recon® Wildlands
Shared: Shooter · Tactical · Multiplayer