Games like AstronTycoon2: Ritual
Games like AstronTycoon2: Ritual include Manor Lords, Against the Storm, Frostpunk, Workers & Resources: Soviet Republic, and Ostriv. We matched them by the tags players give AstronTycoon2: Ritual on Steam (City Builder, Survival, Simulation, Strategy, and Building): closest matches first, and among equally close ones the better-known games.

Manor Lords
Shared: City Builder · Strategy · Simulation

Against the Storm
Shared: City Builder · Simulation · Strategy

Frostpunk
Shared: City Builder · Survival · Strategy

Workers & Resources: Soviet Republic
Shared: City Builder · Strategy · Simulation

Ostriv
Shared: City Builder · Simulation · Strategy

Empires of the Undergrowth
Shared: Simulation · City Builder · Strategy

RimWorld
Shared: Survival · Colony Sim · Strategy

Kingdoms and Castles
Shared: City Builder · Simulation · Colony Sim

Dwarf Fortress
Shared: Simulation · City Builder · Colony Sim

Banished
Shared: City Builder · Simulation · Strategy

Norland
Shared: City Builder · Simulation · Strategy

Prison Architect
Shared: Simulation · Building · City Builder

Oxygen Not Included
Shared: Survival · Colony Sim · Building

Cities: Skylines
Shared: City Builder · Simulation · Building

Timberborn
Shared: City Builder · Colony Sim · Building

Settlement Survival
Shared: City Builder · Survival · Building

Stonehearth
Shared: City Builder · Survival · Colony Sim

Dawn of Man
Shared: City Builder · Survival · Strategy

Endzone - A World Apart
Shared: City Builder · Survival · Strategy

Space Haven
Shared: Survival · Colony Sim · Strategy

Farthest Frontier
Shared: City Builder · Building · Strategy

IXION
Shared: City Builder · Survival · Strategy

Cataclismo
Shared: City Builder · Simulation · Strategy

Stranded: Alien Dawn
Shared: Survival · Simulation · Strategy