Games like Timeless
Games like Timeless include Counter-Strike 2, Borderlands 2, Warframe, Black Myth: Wukong, and Freeman: Guerrilla Warfare. We matched them by the tags players give Timeless on Steam (Action, RPG, Strategy, Action RPG, and Arcade): closest matches first, and among equally close ones the better-known games.

Counter-Strike 2
Shared: Action · Shooter · FPS

Borderlands 2
Shared: Action · Shooter · RPG

Warframe
Shared: Action · Action RPG · RPG

Black Myth: Wukong
Shared: Action · Action RPG · RPG

Freeman: Guerrilla Warfare
Shared: Action · Strategy · RPG

PAYDAY 2
Shared: Action · FPS · Shooter

BioShock Infinite
Shared: Action · RPG · Shooter

Diablo II: Resurrected – Infernal Edition
Shared: Action · RPG · Action RPG

Borderlands 3
Shared: RPG · Action · FPS

Path of Exile 2
Shared: RPG · Action RPG · Action

Borderlands Game of the Year Enhanced
Shared: Action · Shooter · RPG

FINAL FANTASY VII REMAKE INTERGRADE
Shared: RPG · Action RPG · Action

PUBG: BATTLEGROUNDS
Shared: Shooter · Action · FPS

Fatekeeper
Shared: Action · RPG · Action RPG

Tom Clancy's Rainbow Six Siege
Shared: Action · Shooter · FPS

Titan Quest II
Shared: RPG · Action RPG · Action

Last Epoch
Shared: Action RPG · RPG · Action

Arma Reforger
Shared: Action · Shooter · Strategy

Counter-Strike: Source
Shared: Action · Shooter · FPS

Wolcen: Lords of Mayhem
Shared: Action RPG · RPG · Action

FINAL FANTASY VII REBIRTH
Shared: Action · RPG · Action RPG

Minecraft Dungeons II
Shared: Action · RPG · Action RPG

Mount & Blade: Warband
Shared: RPG · Strategy · Action

Counter-Strike
Shared: Action · Shooter · FPS