Games like Islet Online - Creative Mode
Games like Islet Online - Creative Mode include Warframe, Albion Online, Neverwinter, Star Trek Online, and Path of Exile. We matched them by the tags players give Islet Online - Creative Mode on Steam (Massively Multiplayer, Free to Play, RPG, Indie, and Downloadable Content): closest matches first, and among equally close ones the better-known games.

Warframe
Shared: Free to Play · RPG · Massively Multiplayer

Albion Online
Shared: Free to Play · Massively Multiplayer · RPG

Neverwinter
Shared: Free to Play · Massively Multiplayer · RPG

Star Trek Online
Shared: Free to Play · Massively Multiplayer · RPG

Path of Exile
Shared: Free to Play · RPG · Indie

Guild Wars 2®
Shared: Free to Play · RPG · Massively Multiplayer

Where Winds Meet
Shared: Free to Play · Massively Multiplayer · RPG

Marvel Rivals
Shared: Free to Play · Massively Multiplayer · RPG

Mortal Online
Shared: Free to Play · Massively Multiplayer · RPG

Delta Force
Shared: Free to Play · Massively Multiplayer · Free To Play

SMITE®
Shared: Free to Play · Indie · Massively Multiplayer

Blue Protocol: Star Resonance
Shared: Free to Play · Massively Multiplayer · RPG

Last Oasis
Shared: Massively Multiplayer · RPG · Indie

Game of Thrones Winter is Coming
Shared: Massively Multiplayer · Free to Play · RPG

Once Human
Shared: Free to Play · Massively Multiplayer · RPG

Project: Gorgon
Shared: Massively Multiplayer · RPG · Indie

Dungeon Fighter Online
Shared: Free to Play · RPG · Massively Multiplayer

Arena Breakout: Infinite
Shared: Free to Play · Massively Multiplayer · RPG

Destiny 2
Shared: Free to Play · Massively Multiplayer · Free To Play

Karos
Shared: Free to Play · Massively Multiplayer · RPG

Trove
Shared: Free to Play · RPG · Massively Multiplayer

Notes of Soul
Shared: Massively Multiplayer · Indie · RPG

The First Descendant
Shared: Free to Play · RPG · Free To Play

Phantasy Star Online 2 New Genesis
Shared: Free to Play · Massively Multiplayer · Free To Play