Games like Seed World
Games like Seed World include Total War: WARHAMMER, Mini Motorways, Game Dev Tycoon, Kenshi, and Crusader Kings III. We matched them by the tags players give Seed World on Steam (Casual, Simulation, Strategy, RPG, and RTS): closest matches first, and among equally close ones the better-known games.

Total War: WARHAMMER
Shared: Simulation · Strategy · RPG

Mini Motorways
Shared: Simulation · Casual · Strategy

Game Dev Tycoon
Shared: Simulation · Casual · Strategy

Kenshi
Shared: RPG · Simulation · Strategy RPG

Crusader Kings III
Shared: Strategy · Simulation · RPG

The Scroll of Taiwu : Beyond The Dome
Shared: RPG · Strategy · Simulation

Lessaria: Fantasy Kingdom Sim
Shared: Strategy · Simulation · RTS

Creeper World 4
Shared: Tower Defense · RTS · Strategy

Kingdom Heroes 8
Shared: RTS · Strategy · Strategy RPG

911 Operator
Shared: Simulation · Strategy · Casual

Home Behind
Shared: RPG · Casual · Simulation

Plague Inc: Evolved
Shared: Simulation · Strategy · Casual

Gladiator Guild Manager
Shared: Strategy · RPG · Auto Battler

Plebby Quest: The Crusades
Shared: Casual · Strategy · Simulation

Plants vs. Zombies GOTY Edition
Shared: Strategy · Casual · Tower Defense

Heroes' Vow: Three Kingdoms
Shared: Simulation · Strategy · RPG

Retirement Simulator
Shared: Simulation · RPG · Casual

Bad North: Jotunn Edition
Shared: Tower Defense · RTS · Real Time Tactics

9 Kings
Shared: Strategy · RPG · Roguelike

Oriental Dynasty - Silk Road defense war
Shared: Casual · Strategy · Tower Defense

Home Behind 2
Shared: Strategy · RPG · Simulation

Bloons TD 6
Shared: Strategy · Tower Defense · Casual

BidKing
Shared: Casual · Strategy · Simulation

Dragon Cliff
Shared: Strategy · RPG · Casual