Games like Spy Girl-01
Games like Spy Girl-01 include ATRI -My Dear Moments-, Mirror 2: Project X, Tricolour Lovestory, Maitetsu:Last Run!!, and NEKOPARA Vol. 0. We matched them by the tags players give Spy Girl-01 on Steam (Adventure, Casual, Visual Novel, 3D Platformer, and 3D): closest matches first, and among equally close ones the better-known games.

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

Mirror 2: Project X
Shared: 3D · Visual Novel · Anime

Tricolour Lovestory
Shared: Visual Novel · Casual · Nudity

Maitetsu:Last Run!!
Shared: Visual Novel · Casual · Sexual Content

NEKOPARA Vol. 0
Shared: Visual Novel · Nudity · Anime

NEKOPARA Vol. 1
Shared: Visual Novel · Nudity · Anime

NEKOPARA Vol. 4
Shared: Visual Novel · Sexual Content · Anime

NEKOPARA Vol. 2
Shared: Visual Novel · Anime · Nudity

Senren * Banka
Shared: Visual Novel · Casual · Anime

Hamidashi Creative
Shared: Casual · Adventure · Visual Novel

NEKOPARA Vol. 3
Shared: Visual Novel · Nudity · Anime

Summer Pockets
Shared: Adventure · Visual Novel · Casual

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

魔女的夜宴
Shared: Visual Novel · Sexual Content · Casual

Fluffy Store
Shared: Adventure · Visual Novel · Casual

your wife
Shared: Casual · Sexual Content · Nudity

Aokana - Four Rhythms Across the Blue - EXTRA1
Shared: Adventure · Visual Novel · Casual

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

月影魅像-解放之羽-
Shared: Adventure · Visual Novel · Casual

Tayutama 2-you're the only one-
Shared: Visual Novel · Adventure · Anime

Go! Go! Nippon! ~My First Trip to Japan~
Shared: Adventure · Visual Novel · Casual

TOGETHER BnB
Shared: 3D · Sexual Content · Adventure

eden*
Shared: Visual Novel · Adventure · Anime

ISLAND
Shared: Visual Novel · Adventure · Anime