Games like Coldage
Games like Coldage include Slay the Princess — The Pristine Cut, The Walking Dead, The Last of Us™ Part I, S.T.A.L.K.E.R. 2: Heart of Chornobyl - Standard Edition, and The Walking Dead: Season Two. We matched them by the tags players give Coldage on Steam (Post-apocalyptic, Hand-drawn, Lore-Rich, Comic Book, and Turn-Based Tactics): closest matches first, and among equally close ones the better-known games.

Slay the Princess — The Pristine Cut
Shared: Hand-drawn · Lore-Rich · Visual Novel

The Walking Dead
Shared: Zombies · Point & Click · Post-apocalyptic

The Last of Us™ Part I
Shared: Post-apocalyptic · Zombies · Singleplayer

S.T.A.L.K.E.R. 2: Heart of Chornobyl - Standard Edition
Shared: Post-apocalyptic · Singleplayer · Lore-Rich

The Walking Dead: Season Two
Shared: Zombies · Point & Click · Comic Book

Legend of Mortal
Shared: Lore-Rich · Multiple Endings · RPG

The Walking Dead: A New Frontier
Shared: Post-apocalyptic · Zombies · Singleplayer

The Coffin of Andy and Leyley
Shared: Multiple Endings · Hand-drawn · Visual Novel

Days Gone
Shared: Post-apocalyptic · Zombies · Singleplayer

Suzerain
Shared: Interactive Fiction · Multiple Endings · Visual Novel

Mutant Year Zero: Road to Eden
Shared: Post-apocalyptic · Turn-Based Tactics · Strategy

Fallout 4
Shared: Post-apocalyptic · Singleplayer · RPG

XCOM 2
Shared: Turn-Based Tactics · Strategy · Post-apocalyptic

Fallout: New Vegas
Shared: Post-apocalyptic · Singleplayer · RPG

Mewgenics
Shared: Turn-Based Tactics · Comic Book · RPG

Neo Cab
Shared: Interactive Fiction · Multiple Endings · Visual Novel

Into the Dead: Our Darkest Days
Shared: Post-apocalyptic · Zombies · Multiple Endings

The Walking Dead: The Final Season
Shared: Post-apocalyptic · Zombies · Singleplayer

The Walking Dead: Michonne - A Telltale Miniseries
Shared: Zombies · Post-apocalyptic · Point & Click

Esoteric Ebb
Shared: Hand-drawn · Interactive Fiction · Singleplayer

Endless Monday: Dreams and Deadlines
Shared: Hand-drawn · Interactive Fiction · Multiple Endings

Metro Exodus
Shared: Post-apocalyptic · Singleplayer · Story Rich

The Henry Stickmin Collection
Shared: Multiple Endings · Hand-drawn · Singleplayer

Shao Song I
Shared: Interactive Fiction · Visual Novel · RPG