Games like Going Viral
Games like Going Viral include SPORE™, Kerbal Space Program, Prison Escape Simulator: Dig Out, Disney Dreamlight Valley, and Goat Simulator 3. We matched them by the tags players give Going Viral on Steam (Exploration, Creature Collector, Science, Action, and Casual): closest matches first, and among equally close ones the better-known games.

SPORE™
Shared: Exploration · Simulation · Science

Kerbal Space Program
Shared: Science · Simulation · Physics

Prison Escape Simulator: Dig Out
Shared: Casual · Simulation · Exploration

Disney Dreamlight Valley
Shared: Exploration · Life Sim · Simulation

Goat Simulator 3
Shared: Exploration · Physics · Simulation

Nexomon: Extinction
Shared: Creature Collector · Casual · Top-Down

Kerbal Space Program 2
Shared: Exploration · Science · Physics

Slime Rancher
Shared: Exploration · Casual · Simulation

Garry's Mod
Shared: Physics · Casual · Simulation

Goat Simulator
Shared: Simulation · Physics · Casual

Bugsnax
Shared: Creature Collector · Exploration · Casual

Internet Cafe Simulator 2
Shared: Exploration · Simulation · Life Sim

Fireworks Mania - An Explosive Simulator
Shared: Exploration · Physics · Action

Gang Beasts
Shared: Action · Physics · Casual

Two Point Museum
Shared: Casual · Simulation · Exploration

Universe Sandbox
Shared: Simulation · Science · Physics

Hello Kitty Island Adventure
Shared: Exploration · Simulation · Casual

DAVE THE DIVER
Shared: Exploration · Casual · Simulation

Universe Sandbox
Shared: Science · Simulation · Physics

V: Rings of Saturn
Shared: Exploration · Physics · Science

Peekaboo
Shared: Action · Casual · Physics

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

BidKing
Shared: Casual · Simulation · Exploration

Ship Graveyard Simulator
Shared: Exploration · Simulation · Action