Games like Flirt
Games like Flirt include The Sims™ 4, The Sims™ 3, inZOI, Dream Daddy: A Dad Dating Simulator, and Date Everything!. We matched them by the tags players give Flirt on Steam (Dating Sim, Life Sim, Casual, Romance, and Experimental): closest matches first, and among equally close ones the better-known games.

The Sims™ 4
Shared: Life Sim · Character Customization · Romance

The Sims™ 3
Shared: Life Sim · Character Customization · Casual

inZOI
Shared: Life Sim · Character Customization · Romance

Dream Daddy: A Dad Dating Simulator
Shared: Dating Sim · Romance · LGBTQ+

Date Everything!
Shared: Dating Sim · Romance · LGBTQ+

Coral Island
Shared: Life Sim · Dating Sim · Character Customization

Paralives
Shared: Life Sim · Character Customization · Simulation

STORY OF SEASONS: Friends of Mineral Town
Shared: Dating Sim · Casual · Life Sim

Sun Haven
Shared: Life Sim · Dating Sim · Character Customization

WEBFISHING
Shared: Casual · Character Customization · LGBTQ+

TOGETHER BnB
Shared: Dating Sim · Life Sim · 3D

My Time at Sandrock
Shared: Life Sim · Dating Sim · Character Customization

Tricolour Lovestory
Shared: Dating Sim · Casual · Romance

Fields of Mistria
Shared: Dating Sim · Life Sim · Romance

Kitty Powers' Matchmaker
Shared: Dating Sim · Casual · Romance

Monster Prom 2: Monster Camp
Shared: Dating Sim · LGBTQ+ · Casual

Our Life: Beginnings & Always
Shared: Romance · Dating Sim · Character Customization

Comedy Night
Shared: Casual · Experimental · Life Sim

Heartopia
Shared: Life Sim · Casual · Character Customization

Monster Prom
Shared: Dating Sim · LGBTQ+ · Comedy

Youtubers Life
Shared: Life Sim · Casual · Character Customization

Her New Memory - Hentai Simulator
Shared: Dating Sim · Character Customization · Romance

Stardew Valley
Shared: Life Sim · Simulation · Casual

Chinese Parents
Shared: Life Sim · Casual · Dating Sim