Games like Improvised Empire
Games like Improvised Empire include Kingdom Rush - Tower Defense, Legend Creatures(传奇生物), Into the Breach, Plague Inc: Evolved, and XCOM 2. We matched them by the tags players give Improvised Empire on Steam (Strategy, Auto Battler, Roguelite, Indie, and Singleplayer): closest matches first, and among equally close ones the better-known games.

Kingdom Rush - Tower Defense
Shared: Strategy · Singleplayer · Casual

Legend Creatures(传奇生物)
Shared: Roguelite · Indie · Auto Battler

Into the Breach
Shared: Strategy · Indie · Turn-Based Tactics

Plague Inc: Evolved
Shared: Strategy · Indie · Singleplayer

XCOM 2
Shared: Strategy · Singleplayer · Tactical

Mount & Blade II: Bannerlord
Shared: Strategy · Singleplayer · Medieval

Balatro
Shared: Strategy · Singleplayer · Roguelite

Totally Accurate Battle Simulator
Shared: Strategy · Singleplayer · Indie

FTL: Faster Than Light
Shared: Strategy · Indie · Singleplayer

Bills Must Be Paid
Shared: Roguelite · Strategy · Relaxing

The Last Spell
Shared: Strategy · Singleplayer · Turn-Based Tactics

Mechabellum
Shared: Auto Battler · Strategy · Tactical

The Legend of Bum-Bo
Shared: Strategy · Roguelite · Indie

Gladiator Guild Manager
Shared: Strategy · Auto Battler · Roguelite

Mini Motorways
Shared: Strategy · Casual · Indie

Despot's Game: Dystopian Battle Simulator
Shared: Auto Battler · Indie · Tactical

Total War: WARHAMMER II
Shared: Strategy · Fantasy · Singleplayer

Plants vs. Zombies GOTY Edition
Shared: Strategy · Singleplayer · Casual

Warhammer 40,000: Mechanicus
Shared: Strategy · Turn-Based Tactics · Singleplayer

Kingdom Rush Origins - Tower Defense
Shared: Strategy · Singleplayer · Casual

Vampire Survivors
Shared: Roguelite · Indie · Singleplayer

Game Dev Tycoon
Shared: Strategy · Indie · Singleplayer

Eslabong
Shared: Strategy · Auto Battler · Roguelite

Just King
Shared: Strategy · Roguelite · Auto Battler