Games like Scars of Mars
Games like Scars of Mars include The Binding of Isaac: Rebirth, Hades, Hades II, The Binding of Isaac, and Darkest Dungeon®. We matched them by the tags players give Scars of Mars on Steam (RPG, Real-Time, Character Customization, Replay Value, and Dungeon Crawler): closest matches first, and among equally close ones the better-known games.

The Binding of Isaac: Rebirth
Shared: Replay Value · Roguelike · Action Roguelike

Hades
Shared: Action Roguelike · Roguelike · RPG

Hades II
Shared: Roguelike · RPG · Dungeon Crawler

The Binding of Isaac
Shared: Replay Value · Roguelike · Action Roguelike

Darkest Dungeon®
Shared: RPG · Dungeon Crawler · Roguelike

Grim Dawn
Shared: RPG · Dungeon Crawler · Character Customization

Heroes of Hammerwatch II
Shared: RPG · Dungeon Crawler · Action Roguelike

Baldur's Gate 3
Shared: RPG · Character Customization · CRPG

Monster Hunter: World
Shared: RPG · Character Customization · Action

Warhammer 40,000: Rogue Trader
Shared: RPG · Character Customization · CRPG

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

DARK SOULS™: REMASTERED
Shared: RPG · Dark · Atmospheric

DARK SOULS™ II: Scholar of the First Sin
Shared: RPG · Character Customization · Atmospheric

Hogwarts Legacy
Shared: RPG · Character Customization · Atmospheric

Mass Effect™ Legendary Edition
Shared: RPG · Character Customization · Action

Torchlight II
Shared: RPG · Dungeon Crawler · Action RPG

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

Diablo® IV
Shared: RPG · Dungeon Crawler · Action RPG

Warframe
Shared: RPG · Character Customization · Action RPG

Dreamscaper
Shared: RPG · Dungeon Crawler · Action Roguelike

Brotato
Shared: Roguelike · Action Roguelike · RPG

Moonlighter
Shared: Dungeon Crawler · RPG · Roguelike

Kingdoms of Amalur: Re-Reckoning
Shared: RPG · Character Customization · Action

Path of Achra
Shared: Character Customization · RPG · Roguelike