Games like Zero-K - Silver Donation ($25)
Games like Zero-K - Silver Donation ($25) include Plague Inc: Evolved, SMITE®, Dota 2, Yu-Gi-Oh! Master Duel, and Game Dev Tycoon. We matched them by the tags players give Zero-K - Silver Donation ($25) on Steam (Strategy, Indie, Simulation, Free to Play, and Downloadable Content): closest matches first, and among equally close ones the better-known games.

Plague Inc: Evolved
Shared: Strategy · Simulation · Indie

SMITE®
Shared: Free to Play · Strategy · Indie

Dota 2
Shared: Strategy · Free to Play · Free To Play

Yu-Gi-Oh! Master Duel
Shared: Strategy · Free to Play · Simulation

Game Dev Tycoon
Shared: Indie · Simulation · Strategy

Totally Accurate Battle Simulator
Shared: Simulation · Strategy · Indie

Mini Motorways
Shared: Strategy · Simulation · Indie

Ultimate Custom Night
Shared: Free to Play · Strategy · Indie

Banished
Shared: Strategy · Simulation · Indie

Aimlabs
Shared: Free to Play · Simulation · Indie

911 Operator
Shared: Strategy · Simulation · Indie

Touhou Big Big Battle
Shared: Strategy · Indie · Free to Play

Where Winds Meet
Shared: Free to Play · Strategy · Indie

中华三国志 the Three Kingdoms of China
Shared: Indie · Strategy · Free to Play

War Thunder
Shared: Free to Play · Simulation · Free To Play

Idle Champions of the Forgotten Realms
Shared: Strategy · Free to Play · Indie

Mini Metro
Shared: Strategy · Simulation · Indie

Papers, Please
Shared: Indie · Simulation · Strategy

Total Tank Simulator
Shared: Strategy · Simulation · Indie

Crusader Kings II
Shared: Strategy · Simulation · Free to Play

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

Pixel Puzzles: Japan
Shared: Indie · Simulation · Strategy

The Pirate: Caribbean Hunt
Shared: Free to Play · Strategy · Simulation

Gladiator Guild Manager: Prologue
Shared: Strategy · Simulation · Free to Play