Games like Predecessor
Games like Predecessor include Dota 2, SMITE®, Counter-Strike 2, SMITE 2, and Tom Clancy's Rainbow Six Siege. We matched them by the tags players give Predecessor on Steam (MOBA, Third Person, Action, Competitive, and Sci-fi): closest matches first, and among equally close ones the better-known games.

Dota 2
Shared: MOBA · Competitive · Action

SMITE®
Shared: MOBA · Action · Third Person

Counter-Strike 2
Shared: Competitive · Action · PvP

SMITE 2
Shared: MOBA · Third Person · Action

Tom Clancy's Rainbow Six Siege
Shared: PvP · Competitive · Action

Marvel Rivals
Shared: Action · Hero Shooter · PvP

Paladins®
Shared: Action · Hero Shooter · MOBA

Warframe
Shared: Action · Third Person · PvE

Omega Strikers
Shared: Action · PvP · Sci-fi

Mecha BREAK
Shared: Action · PvP · Sci-fi

Warhammer 40,000: Space Marine 2
Shared: Action · Third Person · PvE

Gigantic: Rampage Edition
Shared: MOBA · Action · PvP

Pro Soccer Online
Shared: Competitive · PvP · Third Person

Farlight 84
Shared: MOBA · Third Person · Sci-fi

ARMORED CORE™ VI FIRES OF RUBICON™
Shared: Action · Third Person · Character Customization

KurtzPel
Shared: Action · Third Person · Character Customization

Rogue Company
Shared: Action · Third Person · Competitive

PUBG: BATTLEGROUNDS
Shared: Action · PvP · Competitive

Demigod
Shared: MOBA · PvE · PvP

Apex Legends™
Shared: Action · PvP · Hero Shooter

Star Trek Online
Shared: Sci-fi · Action · Third Person

NARAKA: BLADEPOINT
Shared: Action · PvP · Third Person

ARC Raiders
Shared: PvE · PvP · Third Person

Counter-Strike: Source
Shared: Action · Competitive · PvP