Games like M.A.R.S. - Christmas Pack
Games like M.A.R.S. - Christmas Pack include Warframe, Marvel Rivals, PUBG: BATTLEGROUNDS, HELLDIVERS™ 2, and Farlight 84. We matched them by the tags players give M.A.R.S. - Christmas Pack on Steam (Action, Free to Play, Massively Multiplayer, Shooter, and Third-Person Shooter): closest matches first, and among equally close ones the better-known games.

Warframe
Shared: Free to Play · Action · Third-Person Shooter

Marvel Rivals
Shared: Free to Play · Third-Person Shooter · Action

PUBG: BATTLEGROUNDS
Shared: Shooter · Action · Third-Person Shooter

HELLDIVERS™ 2
Shared: Action · Third-Person Shooter · Shooter

Farlight 84
Shared: Free to Play · Shooter · Third-Person Shooter

Apex Legends™
Shared: Free to Play · Shooter · Action

World of Warships
Shared: Free to Play · Shooter · Third-Person Shooter

Delta Force
Shared: Free to Play · Massively Multiplayer · Action

Rogue Company
Shared: Free to Play · Action · Shooter

The First Descendant
Shared: Free to Play · Action · Third-Person Shooter

Destiny 2
Shared: Free to Play · Shooter · Multiplayer

ARC Raiders
Shared: Third-Person Shooter · Shooter · PvP

Paladins®
Shared: Free to Play · Action · Shooter

Halo Infinite
Shared: Free to Play · Action · Shooter

Grand Theft Auto V Legacy
Shared: Action · Third Person · Shooter

Mecha BREAK
Shared: Free to Play · Action · PvP

Strinova
Shared: Free to Play · Third-Person Shooter · Shooter

STAR WARS™ Battlefront™ II
Shared: Shooter · Action · Third-Person Shooter

Tom Clancy’s The Division™
Shared: Action · Third-Person Shooter · Shooter

Once Human
Shared: Free to Play · Action · Multiplayer

STAR WARS™ Battlefront II (Classic, 2005)
Shared: Action · Shooter · Third-Person Shooter

Risk of Rain 2
Shared: Third-Person Shooter · Action · Co-op

War Thunder
Shared: Free to Play · Action · Massively Multiplayer

THE FINALS
Shared: Free to Play · Shooter · Action