Games like Tower Tactics Arena
Games like Tower Tactics Arena include Vampire Survivors, Megabonk, Halls of Torment, BALL x PIT, and Brotato. We matched them by the tags players give Tower Tactics Arena on Steam (Sci-fi, Action Roguelike, Roguelite, Tower Defense, and Action): closest matches first, and among equally close ones the better-known games.

Vampire Survivors
Shared: Action Roguelike · Roguelite · Pixel Graphics

Megabonk
Shared: Action Roguelike · Roguelite · Roguelike

Halls of Torment
Shared: Action Roguelike · Roguelite · Action

BALL x PIT
Shared: Roguelite · Action · Action Roguelike

Brotato
Shared: Action Roguelike · Roguelike · Sci-fi

FTL: Faster Than Light
Shared: Sci-fi · Roguelike · Strategy

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

Risk of Rain 2
Shared: Action Roguelike · Roguelite · Action

Necrosmith
Shared: Action Roguelike · Roguelite · Tower Defense

20 Minutes Till Dawn
Shared: Action Roguelike · Roguelite · Survival

Nuclear Throne
Shared: Action Roguelike · Roguelite · Roguelike

Dead Cells
Shared: Action Roguelike · Roguelite · Roguelike

Death Must Die
Shared: Action Roguelike · Roguelite · Action

EVERSPACE™
Shared: Action Roguelike · Sci-fi · Action

Everything is Crab: The Animal Evolution Roguelite
Shared: Action Roguelike · Roguelite · Survival

Enter the Gungeon
Shared: Action Roguelike · Roguelike · Pixel Graphics

Sephiria
Shared: Action Roguelike · Roguelite · Action

Hades
Shared: Action Roguelike · Roguelite · Action

PUBG: BATTLEGROUNDS
Shared: Survival · Action · Shooter

Cluckmech Oasis
Shared: Tower Defense · Strategy · Roguelite

Shortest Trip to Earth
Shared: Roguelite · Sci-fi · Survival

Dome Keeper
Shared: Sci-fi · Action · Tower Defense

Dungreed
Shared: Action Roguelike · Roguelite · Action

Nova Drift
Shared: Roguelite · Action Roguelike · Action