Games like Boundless - Deluxe Edition Upgrade
Games like Boundless - Deluxe Edition Upgrade include Last Oasis, Notes of Soul, The Elder Scrolls Online - Standard Edition, Neverwinter, and Farever. We matched them by the tags players give Boundless - Deluxe Edition Upgrade on Steam (Massively Multiplayer, Adventure, RPG, Action, and Indie): closest matches first, and among equally close ones the better-known games.

Last Oasis
Shared: Massively Multiplayer · RPG · Adventure

Notes of Soul
Shared: Massively Multiplayer · Adventure · Action

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

Neverwinter
Shared: Massively Multiplayer · RPG · Adventure

Farever
Shared: RPG · Action · Adventure

DRAGON BALL XENOVERSE 2
Shared: Action · Adventure · Massively Multiplayer

Blue Protocol: Star Resonance
Shared: Action · Adventure · Massively Multiplayer

Dust: An Elysian Tail
Shared: Action · RPG · Adventure

Cat Quest
Shared: Adventure · RPG · Action

The Wind Road
Shared: RPG · Adventure · Action

Dungeon Munchies
Shared: Adventure · Action · Indie

Bastion
Shared: Action · Indie · RPG

Warframe
Shared: Action · RPG · Massively Multiplayer

The Incredible Adventures of Van Helsing
Shared: RPG · Adventure · Action

武侠乂 The Swordsmen X
Shared: Massively Multiplayer · RPG · Adventure

Monster Hunter: World
Shared: Action · RPG · Adventure

ICEY
Shared: Action · Adventure · Indie

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

Citadel: Forged with Fire
Shared: Massively Multiplayer · RPG · Adventure

Middle-earth: Shadow of War
Shared: RPG · Action · Adventure

Hand Simulator: Survival
Shared: Adventure · RPG · Action

Yakuza: Like a Dragon
Shared: Adventure · RPG · Action

Gloria Victis: Medieval MMORPG
Shared: Massively Multiplayer · Action · RPG

God of War Ragnarök
Shared: Adventure · Action · RPG