Games like Choo Choo Survivor 2
Games like Choo Choo Survivor 2 include Dome Keeper, Megabonk, Neon Abyss, Brotato, and Days Gone. We matched them by the tags players give Choo Choo Survivor 2 on Steam (Bullet Heaven, Action, Singleplayer, Post-apocalyptic, and Roguelike): closest matches first, and among equally close ones the better-known games.

Dome Keeper
Shared: Singleplayer · Action · Post-apocalyptic

Megabonk
Shared: Bullet Heaven · Roguelike · Action

Neon Abyss
Shared: Bullet Heaven · Roguelike · Singleplayer

Brotato
Shared: Singleplayer · Roguelike · Bullet Heaven

Days Gone
Shared: Singleplayer · Zombies · Post-apocalyptic

The Final Station
Shared: Post-apocalyptic · Action · Zombies

The Binding of Isaac: Rebirth
Shared: Roguelike · Singleplayer · Pixel Graphics

Yet Another Zombie Survivors
Shared: Bullet Heaven · Zombies · Singleplayer

Resident Evil 4
Shared: Action · Singleplayer · Zombies

Skul: The Hero Slayer
Shared: Action · Roguelike · Singleplayer

Dead Cells
Shared: Roguelike · Singleplayer · Pixel Graphics

Dying Light: The Beast
Shared: Zombies · Action · Singleplayer

BALL x PIT
Shared: Action · Roguelike · Bullet Heaven

The Binding of Isaac
Shared: Roguelike · Action · Singleplayer

God of War
Shared: Action · Singleplayer · Combat

World War Z
Shared: Singleplayer · Zombies · Action

Metro Exodus
Shared: Post-apocalyptic · Singleplayer · Action

DR LIVESEY ROM AND DEATH EDITION
Shared: Action · Roguelike · Singleplayer

Black Myth: Wukong
Shared: Action · Singleplayer · Combat

Soulstone Survivors
Shared: Bullet Heaven · Roguelike · Action

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

Plants vs. Zombies GOTY Edition
Shared: Singleplayer · Zombies · Tower Defense

Resident Evil Requiem
Shared: Action · Zombies · Singleplayer

Deadlight
Shared: Action · Zombies · Post-apocalyptic