Games like Survive the Blackout
Games like Survive the Blackout include This War of Mine, Papers, Please, Rain World, Frostpunk, and The Escapists. We matched them by the tags players give Survive the Blackout on Steam (Indie, Adventure, Strategy, Simulation, and Post-apocalyptic): closest matches first, and among equally close ones the better-known games.

This War of Mine
Shared: Survival · Strategy · Simulation

Papers, Please
Shared: Indie · Simulation · Pixel Graphics

Rain World
Shared: Indie · Survival · Atmospheric

Frostpunk
Shared: Strategy · Survival · Post-apocalyptic

The Escapists
Shared: Strategy · Indie · Pixel Graphics

The Long Dark
Shared: Survival · Adventure · Atmospheric

Plague Inc: Evolved
Shared: Strategy · Indie · Simulation

The Pale Beyond
Shared: Survival · Adventure · Simulation

The Test
Shared: Simulation · Choose Your Own Adventure · Pixel Graphics

Don't Escape: 4 Days to Survive
Shared: Adventure · Indie · Post-apocalyptic

The Final Station
Shared: Indie · Post-apocalyptic · Adventure

OneShot
Shared: Indie · Pixel Graphics · Adventure

The Walking Dead: The Final Season
Shared: Adventure · Choices Matter · Choose Your Own Adventure

Frostpunk 2
Shared: Strategy · Survival · Post-apocalyptic

Don't Starve Together
Shared: Survival · Adventure · Indie

Beholder
Shared: Strategy · Choices Matter · Simulation

The Walking Dead
Shared: Adventure · Choices Matter · Story Rich

The Walking Dead: A New Frontier
Shared: Adventure · Post-apocalyptic · Choices Matter

FAR: Lone Sails
Shared: Adventure · Post-apocalyptic · Indie

Sultan's Game
Shared: Strategy · Adventure · Simulation

Sheltered
Shared: Survival · Strategy · Post-apocalyptic

Death and Taxes
Shared: Simulation · Strategy · Choices Matter

This Is the Police
Shared: Strategy · Indie · Simulation

Banished
Shared: Strategy · Indie · Simulation