Games like Tristia:legacy
Games like Tristia:legacy include Marco & The Galaxy Dragon, Cities: Skylines, Muse Dash, Prison Architect, and Volcano Princess. We matched them by the tags players give Tristia:legacy on Steam (Simulation, Cute, Anime, City Builder, and 2D): closest matches first, and among equally close ones the better-known games.

Marco & The Galaxy Dragon
Shared: Anime · Cute · Simulation

Cities: Skylines
Shared: Simulation · City Builder · Building

Muse Dash
Shared: Anime · Cute · Female Protagonist

Prison Architect
Shared: Simulation · City Builder · Building

Volcano Princess
Shared: Simulation · Anime · Female Protagonist

Long Live The Queen
Shared: Anime · Simulation · Female Protagonist

Magical Girl Witch Trials
Shared: Cute · Female Protagonist · Anime

小白兔电商~Bunny e-Shop
Shared: Simulation · Anime · Cute

Lucy -The Eternity She Wished For-
Shared: Anime · Cute · Simulation

Cities: Skylines II
Shared: Simulation · City Builder · Building

Planet Zoo
Shared: Simulation · City Builder · Building

NEEDY STREAMER OVERLOAD
Shared: Anime · Cute · 2D

WitchSpring R
Shared: Cute · Anime · Female Protagonist

Hyperdimension Neptunia Re;Birth1
Shared: Anime · Cute · Female Protagonist

Princess Maker: Children of Revelation
Shared: Simulation · Cute · 2D

Magical Princess
Shared: Anime · Simulation · Cute

Car Mechanic Simulator 2018
Shared: Simulation · Automobile Sim · Building

Megadimension Neptunia VII
Shared: Anime · Cute · Female Protagonist

Slime Rancher
Shared: Cute · Simulation · Singleplayer

Yunyun Syndrome!? Rhythm Psychosis
Shared: Anime · Cute · Simulation

WITCH ON THE HOLY NIGHT
Shared: Anime · 2D · Female Protagonist

MiSide
Shared: Cute · Anime · Story Rich

Your Mother
Shared: Anime · Cute · 2D

My Summer Car
Shared: Simulation · Automobile Sim · Building