Games like Space Expand
Games like Space Expand include Plague Inc: Evolved, BidKing, Town of Salem, House Flipper, and Golf With Your Friends. We matched them by the tags players give Space Expand on Steam (Strategy, Massively Multiplayer, Indie, Casual, and Simulation): closest matches first, and among equally close ones the better-known games.

Plague Inc: Evolved
Shared: Strategy · Indie · Simulation

BidKing
Shared: Strategy · Casual · Simulation

Town of Salem
Shared: Strategy · Multiplayer · Indie

House Flipper
Shared: Simulation · Multiplayer · Casual

Golf With Your Friends
Shared: Casual · Multiplayer · Indie

Game Dev Tycoon
Shared: Strategy · Indie · Simulation

Dictators:No Peace Countryballs
Shared: Strategy · Simulation · Casual

Mini Motorways
Shared: Strategy · Casual · Simulation

ShellShock Live
Shared: Strategy · Multiplayer · Casual

Who's Your Daddy?!
Shared: Multiplayer · Strategy · Simulation

911 Operator
Shared: Strategy · Simulation · Indie

Tower Unite
Shared: Casual · Massively Multiplayer · Multiplayer

Rento Fortune: Online Dice Board Game (大富翁)
Shared: Strategy · Casual · Massively Multiplayer

SMITE®
Shared: Strategy · Multiplayer · Indie

Notes of Soul
Shared: Massively Multiplayer · Indie · Strategy

Mount & Blade II: Bannerlord
Shared: Strategy · Multiplayer · Simulation

Bloons TD 6
Shared: Strategy · Multiplayer · Casual

Liars Bar
Shared: Casual · Multiplayer · Indie

Mini Metro
Shared: Strategy · Simulation · Indie

Two Point Hospital
Shared: Simulation · Strategy · Indie

WEBFISHING
Shared: Casual · Multiplayer · Indie

Stardew Valley
Shared: Multiplayer · Simulation · Indie