Games like I Missed the Apocalypse
Games like I Missed the Apocalypse include RimWorld, Oxygen Not Included, Until We Die, Rise to Ruins, and They Are Billions. We matched them by the tags players give I Missed the Apocalypse on Steam (Indie, Survival, Base Building, Pixel Graphics, and Tower Defense): closest matches first, and among equally close ones the better-known games.

RimWorld
Shared: Survival · Base Building · Colony Sim

Oxygen Not Included
Shared: Survival · Base Building · Colony Sim

Until We Die
Shared: Survival · Base Building · Pixel Graphics

Rise to Ruins
Shared: Tower Defense · Survival · Colony Sim

They Are Billions
Shared: Base Building · Survival · Colony Sim

Forager
Shared: Survival · Pixel Graphics · Indie

The Escapists
Shared: Pixel Graphics · Indie · Strategy

Terraria
Shared: Survival · Pixel Graphics · 2D

Sheltered
Shared: Survival · Base Building · Pixel Graphics

The Final Station
Shared: Survival · Indie · Pixel Graphics

This War of Mine
Shared: Survival · Base Building · Strategy

Frostpunk
Shared: Survival · Colony Sim · Base Building

Factorio
Shared: Base Building · Survival · Strategy

Kingdom Two Crowns
Shared: Tower Defense · Base Building · Singleplayer

Infection Free Zone
Shared: Base Building · Survival · Strategy

Rain World
Shared: Survival · Indie · Pixel Graphics

Endzone - A World Apart
Shared: Survival · Indie · Base Building

Kingdom: New Lands
Shared: Survival · Base Building · Tower Defense

Going Medieval
Shared: Base Building · Survival · Colony Sim

The Last Caretaker
Shared: Survival · Base Building · Indie

Dome Keeper
Shared: Action · Singleplayer · Tower Defense

Skul: The Hero Slayer
Shared: Indie · Pixel Graphics · Action

The Riftbreaker
Shared: Base Building · Survival · Tower Defense

Dig or Die
Shared: Survival · Indie · Tower Defense