Games like Area-X
Games like Area-X include Tricolour Lovestory, Hatoful Boyfriend, Lucy -The Eternity She Wished For-, ATRI -My Dear Moments-, and Florence. We matched them by the tags players give Area-X on Steam (Visual Novel, Simulation, Adventure, Indie, and Casual): closest matches first, and among equally close ones the better-known games.

Tricolour Lovestory
Shared: Visual Novel · Simulation · Anime

Hatoful Boyfriend
Shared: Visual Novel · Anime · Female Protagonist

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

ATRI -My Dear Moments-
Shared: Visual Novel · Anime · Casual

Florence
Shared: Indie · Adventure · Casual

Volcano Princess
Shared: Simulation · Visual Novel · Female Protagonist

Marco & The Galaxy Dragon
Shared: Visual Novel · Adventure · Anime

Mirror 2: Project X
Shared: Visual Novel · Anime · Female Protagonist

Senren * Banka
Shared: Visual Novel · Anime · Casual

LoveChoice
Shared: Visual Novel · Simulation · Dating Sim

Emily is Away <3
Shared: Simulation · Indie · Casual

The Hungry Lamb: Traveling in the Late Ming Dynasty
Shared: Visual Novel · Adventure · Anime

Fox Hime Zero
Shared: Visual Novel · Indie · Anime

Some Some Convenience Store
Shared: Visual Novel · Casual · Anime

Summer Pockets
Shared: Visual Novel · Adventure · Casual

Gaokao.Love.100Days
Shared: Visual Novel · Simulation · Anime

Amnesia™: Memories
Shared: Visual Novel · Otome · Female Protagonist

他人世界末 On-looker
Shared: Visual Novel · Anime · Indie

Blood Code
Shared: Visual Novel · Female Protagonist · Otome

私のリアルは充実しすぎている フルボイス版
Shared: Visual Novel · Female Protagonist · Otome

STEINS;GATE
Shared: Visual Novel · Anime · Story Rich

My Vow to My Liege
Shared: Visual Novel · Female Protagonist · Casual

Emily is Away Too
Shared: Simulation · Indie · Casual

Far Away
Shared: Visual Novel · Singleplayer · Female Protagonist