Games like Vivi
Games like Vivi include Spirit City: Lofi Sessions, Chill with You : Lo-Fi Story, Muse Dash, Tiny Pasture, and The NOexistenceN of Lilith. We matched them by the tags players give Vivi on Steam (Desktop Companion, Music-Based Procedural Generation, Anime, Music, and Idler): closest matches first, and among equally close ones the better-known games.

Spirit City: Lofi Sessions
Shared: Desktop Companion · Relaxing · Idler

Chill with You : Lo-Fi Story
Shared: Anime · Casual · Relaxing

Muse Dash
Shared: Music · Anime · Casual

Tiny Pasture
Shared: Idler · Desktop Companion · Casual

The NOexistenceN of Lilith
Shared: Desktop Companion · Anime · Casual

Your Mother
Shared: Desktop Companion · Anime · Relaxing

Cast n Chill
Shared: Idler · Relaxing · Desktop Companion

Cornerpond
Shared: Desktop Companion · Idler · Simulation

Fantasy Aquarium
Shared: Idler · Casual · Anime

Ithya: Magic Studies
Shared: Desktop Companion · Music · Idler

Ropuka's Idle Island
Shared: Desktop Companion · Idler · Relaxing

Maltese's Fluffy Onsen
Shared: Desktop Companion · Casual · Idler

your wife
Shared: Anime · Casual · Cute

Rusty's Retirement
Shared: Desktop Companion · Idler · Relaxing

Fish to Dish: Idle Sushi
Shared: Desktop Companion · Idler · Casual

How to Train Your Cock
Shared: Desktop Companion · Idler · Casual

My Little Life
Shared: Desktop Companion · Idler · Simulation

Chill Pulse
Shared: Casual · Idler · Simulation

Mini Cozy Room: Lo-Fi
Shared: Music · Idler · Desktop Companion

DJMAX RESPECT V
Shared: Music · Anime · Casual

MyVoiceZoo
Shared: Casual · Idler · Creature Collector

AudioSurf
Shared: Music · Music-Based Procedural Generation · Casual

Mountain
Shared: Casual · Simulation · Relaxing

Birdwatching Notebook
Shared: Desktop Companion · Idler · Creature Collector