Games like Space SEX
Games like Space SEX include Tricolour Lovestory, Dispatch, Date Everything!, NEKOPARA Vol. 1, and Gaokao.Love.100Days. We matched them by the tags players give Space SEX on Steam (Sexual Content, Nudity, Simulation, Romance, and Casual): closest matches first, and among equally close ones the better-known games.

Tricolour Lovestory
Shared: Sexual Content · Nudity · Visual Novel

Dispatch
Shared: Sexual Content · Nudity · Romance

Date Everything!
Shared: Sexual Content · Simulation · Romance

NEKOPARA Vol. 1
Shared: Nudity · Sexual Content · Visual Novel

Gaokao.Love.100Days
Shared: Nudity · Romance · Simulation

NEKOPARA Vol. 2
Shared: Sexual Content · Nudity · Romance

NEKOPARA Vol. 0
Shared: Nudity · Sexual Content · Visual Novel

Sakura Spirit
Shared: Nudity · Sexual Content · Visual Novel

Dream Daddy: A Dad Dating Simulator
Shared: Sexual Content · Romance · Simulation

Her New Memory - Hentai Simulator
Shared: Sexual Content · Nudity · Simulation

NEKOPARA Vol. 3
Shared: Sexual Content · Nudity · Visual Novel

VR Kanojo / VRカノジョ
Shared: Sexual Content · Nudity · VR

Kinkoi: Golden Loveriche
Shared: Sexual Content · Nudity · Casual

TOGETHER BnB
Shared: Sexual Content · Simulation · Dating Sim

Love Delivery
Shared: Simulation · Casual · Visual Novel

Summer Pockets
Shared: Visual Novel · Casual · Sexual Content

Doki Doki Literature Club Plus!
Shared: Sexual Content · Visual Novel · Romance

DATE A LIVE: Rio Reincarnation
Shared: Sexual Content · Nudity · Visual Novel

Dusk Pub - Adult Only
Shared: Sexual Content · Nudity · Simulation

Hush Hush - Only Your Love Can Save Them
Shared: Sexual Content · Nudity · Simulation

Sunrider Academy
Shared: Nudity · Sexual Content · Simulation

CUSTOM ORDER MAID 3D2 It's a Night Magic
Shared: Sexual Content · Nudity · Simulation

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

Sakura Angels
Shared: Nudity · Sexual Content · Visual Novel