Games like The Adventurers
Games like The Adventurers include Mount & Blade II: Bannerlord, Wartales, Battle Brothers, 觅长生, and Fell Seal: Arbiter's Mark. We matched them by the tags players give The Adventurers on Steam (RPG, Strategy, Open World, Fantasy, and Party-Based RPG): closest matches first, and among equally close ones the better-known games.

Mount & Blade II: Bannerlord
Shared: Strategy · RPG · Open World

Wartales
Shared: RPG · Open World · Party-Based RPG

Battle Brothers
Shared: RPG · Strategy · Turn-Based Tactics

觅长生
Shared: RPG · Open World · Strategy

Fell Seal: Arbiter's Mark
Shared: RPG · Strategy · Turn-Based Tactics

The Last Spell
Shared: Strategy · RPG · Turn-Based Tactics

Pathfinder: Kingmaker - Enhanced Plus Edition
Shared: RPG · Fantasy · Party-Based RPG

Mount & Blade: Warband
Shared: RPG · Open World · Strategy

Age of Wonders 4
Shared: Strategy · RPG · Fantasy

The Witcher 3: Wild Hunt — Remastered
Shared: RPG · Open World · Fantasy

MENACE
Shared: RPG · Strategy · Turn-Based Tactics

Symphony of War: The Nephilim Saga
Shared: RPG · Fantasy · Strategy

XCOM 2
Shared: Strategy · RPG · Turn-Based Tactics

Sands of Salzaar
Shared: RPG · Open World · Strategy

Demeo
Shared: RPG · Strategy · Turn-Based Tactics

TRIANGLE STRATEGY
Shared: RPG · Strategy · Turn-Based Tactics

For The King
Shared: RPG · Strategy · Open World

FINAL FANTASY TACTICS - The Ivalice Chronicles
Shared: Fantasy · Turn-Based Tactics · RPG

Kenshi
Shared: Open World · RPG · Strategy RPG

Crusader Kings III
Shared: Strategy · RPG · Medieval

Heroes of Might and Magic: Olden Era
Shared: RPG · Strategy · Turn-Based Tactics

Total War: WARHAMMER II
Shared: Strategy · Fantasy · War

Mount & Blade: With Fire & Sword
Shared: RPG · Open World · Strategy

Songs of Silence
Shared: RPG · Strategy · Turn-Based Tactics