Games like Pirate101
Games like Pirate101 include ATLAS, Naval Action, FINAL FANTASY XIV Online, Guild Wars 2®, and The Elder Scrolls Online - Standard Edition. We matched them by the tags players give Pirate101 on Steam (MMORPG, Turn-Based Tactics, Pirates, Grid-Based Movement, and Nostalgia): closest matches first, and among equally close ones the better-known games.

ATLAS
Shared: Pirates · Sailing · Massively Multiplayer

Naval Action
Shared: Pirates · MMORPG · Sailing

FINAL FANTASY XIV Online
Shared: MMORPG · Massively Multiplayer · RPG

Guild Wars 2®
Shared: MMORPG · Massively Multiplayer · Adventure

The Elder Scrolls Online - Standard Edition
Shared: MMORPG · RPG · Massively Multiplayer

STAR WARS Zero Company™
Shared: Turn-Based Tactics · Turn-Based Strategy · Strategy

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

Temtem
Shared: Turn-Based Tactics · MMORPG · Turn-Based Combat

Neverwinter
Shared: MMORPG · Massively Multiplayer · RPG

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

Marvels Midnight Suns Digital Edition
Shared: Turn-Based Tactics · Turn-Based Strategy · Turn-Based Combat

Warhammer 40,000: Chaos Gate - Daemonhunters
Shared: Turn-Based Tactics · Turn-Based Strategy · Strategy

XCOM®: Chimera Squad
Shared: Turn-Based Tactics · Turn-Based Strategy · Strategy

Mewgenics
Shared: Turn-Based Tactics · Turn-Based Strategy · Turn-Based Combat

Low Magic Age
Shared: Turn-Based Tactics · Grid-Based Movement · Turn-Based Strategy

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

Shadow Gambit: The Cursed Crew
Shared: Pirates · RPG · Strategy

Jagged Alliance 3
Shared: Turn-Based Tactics · Turn-Based Strategy · Strategy

MENACE
Shared: Turn-Based Tactics · Turn-Based Strategy · Strategy

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

NORSE: Oath of Blood
Shared: Turn-Based Tactics · Turn-Based Strategy · Turn-Based Combat

The Dungeon Of Naheulbeuk: The Amulet Of Chaos
Shared: Turn-Based Tactics · Turn-Based Strategy · RPG