Games like Rainy Day
Games like Rainy Day include Librarian: Tidy Up the Arcane Library!, Monument Valley, Unpacking, Sizeable, and Zup! S. We matched them by the tags players give Rainy Day on Steam (Casual, Puzzle, Sokoban, 3D, and Relaxing): closest matches first, and among equally close ones the better-known games.

Librarian: Tidy Up the Arcane Library!
Shared: Relaxing · Casual · Puzzle

Monument Valley
Shared: Puzzle · Casual · Relaxing

Unpacking
Shared: Casual · Relaxing · Puzzle

Sizeable
Shared: Casual · Puzzle · Relaxing

Zup! S
Shared: Casual · Puzzle · Relaxing

A Little to the Left
Shared: Puzzle · Relaxing · Casual

Dorfromantik
Shared: Puzzle · Casual · Relaxing

Hook
Shared: Casual · Puzzle · Relaxing

Assemble with Care
Shared: Casual · Puzzle · Relaxing

Is This Seat Taken?
Shared: Casual · Puzzle · Relaxing

PowerWash Simulator
Shared: Casual · Relaxing · 3D

Bejeweled® 3
Shared: Casual · Puzzle · Singleplayer

Glass Masquerade
Shared: Puzzle · Casual · Relaxing

klocki
Shared: Puzzle · Casual · Relaxing

Hozy
Shared: Casual · Relaxing · Puzzle

Hexcells
Shared: Casual · Puzzle · Singleplayer

Mini Motorways
Shared: Casual · Puzzle · Relaxing

Supermarket Chaos
Shared: Puzzle · Casual · Relaxing

ISLANDERS
Shared: Relaxing · Puzzle · Singleplayer

Donut County
Shared: Casual · Puzzle · Singleplayer

Hexcells Infinite
Shared: Casual · Puzzle · Relaxing

Peggle Deluxe
Shared: Casual · Puzzle · Singleplayer

Baba Is You
Shared: Puzzle · Singleplayer · Sokoban

About Love, Hate and the other ones
Shared: Casual · Sokoban · Puzzle