Games like Official Guide - Millennium 2
Games like Official Guide - Millennium 2 include Melvor Idle, Florence, Tales of the Black Forest, Bladed fury, and Home Behind. We matched them by the tags players give Official Guide - Millennium 2 on Steam (Adventure, RPG, Indie, Casual, and Female Protagonist): closest matches first, and among equally close ones the better-known games.

Melvor Idle
Shared: RPG · Indie · Casual

Florence
Shared: Adventure · Indie · Casual

Tales of the Black Forest
Shared: RPG · Adventure · Indie

Bladed fury
Shared: Indie · Adventure · Female Protagonist

Home Behind
Shared: Adventure · RPG · Indie

千面 Melancholy Love
Shared: Indie · Casual · RPG

Caster
Shared: Adventure · Indie · RPG

The Scroll of Taiwu : Beyond The Dome
Shared: RPG · Indie · Adventure

Greyfox RPG
Shared: Adventure · Indie · RPG

Costume Quest
Shared: Adventure · RPG · Casual

Cat Quest
Shared: Adventure · RPG · Indie

ICEY
Shared: Female Protagonist · Adventure · Indie

Ruined King: A League of Legends Story™
Shared: RPG · Adventure · Indie

Road to Empress Ⅱ
Shared: Adventure · Female Protagonist · RPG

Chrono Ark
Shared: RPG · Adventure · Indie

Home Behind 2
Shared: RPG · Adventure · Indie

GRIS
Shared: Indie · Adventure · Female Protagonist

Bloodstained: Ritual of the Night
Shared: RPG · Adventure · Female Protagonist

My Time at Portia
Shared: RPG · Adventure · Casual

WILL: A Wonderful World / WILL:美好世界
Shared: RPG · Adventure · Indie

DAVE THE DIVER
Shared: Adventure · Casual · RPG

Forward to the Sky
Shared: Adventure · RPG · Female Protagonist

G2 Fighter / 基因特工
Shared: Adventure · RPG · Indie

The Vagrant
Shared: RPG · Female Protagonist · Adventure