Games like Bow & Crystal Tower Defense
Games like Bow & Crystal Tower Defense include Europa Universalis IV, Stellaris, RimWorld, Kingdoms and Castles, and SPORE™. We matched them by the tags players give Bow & Crystal Tower Defense on Steam (Action, Simulation, Strategy, Arcade, and 4X): closest matches first, and among equally close ones the better-known games.

Europa Universalis IV
Shared: Strategy · Simulation · 4X

Stellaris
Shared: Strategy · 4X · Simulation

RimWorld
Shared: Strategy · Colony Sim · Simulation

Kingdoms and Castles
Shared: Simulation · Strategy · Colony Sim

SPORE™
Shared: Simulation · Colony Sim · Exploration

Manor Lords
Shared: Strategy · Simulation · Colony Sim

Banished
Shared: Strategy · Simulation · Colony Sim

Total War: WARHAMMER
Shared: Simulation · Strategy · 4X

Empires of the Undergrowth
Shared: Simulation · Strategy · Colony Sim

Songs of Syx
Shared: Strategy · Colony Sim · 4X

Total Tank Simulator
Shared: Simulation · Action · Strategy

Ultimate Epic Battle Simulator 2
Shared: Simulation · Action · Strategy

Prison Architect
Shared: Simulation · Strategy · Colony Sim

Dwarf Fortress
Shared: Simulation · Strategy · Colony Sim

Against the Storm
Shared: Simulation · Strategy · Colony Sim

Oxygen Not Included
Shared: Colony Sim · Simulation · Strategy

X4: Foundations
Shared: Simulation · 4X · Strategy

Industries of Titan
Shared: Strategy · Simulation · 4X

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

Internet Cafe Simulator 2
Shared: Simulation · Arcade · Exploration

We Who Are About To Die
Shared: Action · Strategy · Simulation

Totally Accurate Battle Simulator
Shared: Simulation · Strategy · Action

SPORE™ Galactic Adventures
Shared: Action · Simulation · Strategy

Hell Let Loose: Vietnam
Shared: Action · Simulation · Strategy