Games like TideFall
Games like TideFall include Vampire Survivors, Skul: The Hero Slayer, Hades, Halls of Torment, and Dead Cells. We matched them by the tags players give TideFall on Steam (2D Platformer, Action, Action Roguelike, Singleplayer, and Roguelite): closest matches first, and among equally close ones the better-known games.

Vampire Survivors
Shared: Action Roguelike · Roguelite · Pixel Graphics

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

Hades
Shared: Action Roguelike · Roguelite · Action

Halls of Torment
Shared: Action Roguelike · Roguelite · Action

Dead Cells
Shared: Action Roguelike · 2D · Roguelite

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

Dungreed
Shared: Action Roguelike · Action · Roguelite

SANABI
Shared: Action · 2D Platformer · Pixel Graphics

Rogue Legacy
Shared: Action Roguelike · Action · Singleplayer

Death Must Die
Shared: Action Roguelike · Roguelite · Action

Megabonk
Shared: Action Roguelike · Roguelite · Action

Have a Nice Death
Shared: Action Roguelike · Singleplayer · Action

UnderMine
Shared: Action Roguelike · Roguelite · Action

Katana ZERO
Shared: Action · 2D Platformer · Pixel Graphics

Sephiria
Shared: Action Roguelike · Roguelite · Action

BlazBlue Entropy Effect
Shared: Action Roguelike · Action · 2D

BALL x PIT
Shared: Action · Roguelite · Action Roguelike

Boneraiser Minions
Shared: Action Roguelike · Roguelite · Pixel Graphics

Pizza Tower
Shared: 2D Platformer · Singleplayer · Action

Downwell
Shared: Action Roguelike · 2D Platformer · Pixel Graphics

20XX
Shared: Action · Action Roguelike · 2D Platformer

Risk of Rain (2013)
Shared: Action Roguelike · Action · Pixel Graphics

Nuclear Throne
Shared: Action Roguelike · Action · Pixel Graphics

Blasphemous
Shared: Pixel Graphics · 2D · Action