Games like Tower Survivor
Games like Tower Survivor include Persona 3 Reload, Digimon Story Time Stranger, Aethermancer, Persona 4 Golden, and Shin Megami Tensei III Nocturne HD Remaster. We matched them by the tags players give Tower Survivor on Steam (RPG, JRPG, Party-Based RPG, Roguelike, and Turn-Based Strategy): closest matches first, and among equally close ones the better-known games.

Persona 3 Reload
Shared: JRPG · RPG · Party-Based RPG

Digimon Story Time Stranger
Shared: RPG · JRPG · Party-Based RPG

Aethermancer
Shared: Roguelike · Party-Based RPG · Creature Collector

Persona 4 Golden
Shared: JRPG · RPG · Party-Based RPG

Shin Megami Tensei III Nocturne HD Remaster
Shared: RPG · JRPG · Party-Based RPG

Persona 5 Royal
Shared: JRPG · RPG · Party-Based RPG

Metaphor: ReFantazio
Shared: RPG · JRPG · Turn-Based Strategy

Fear & Hunger 2: Termina
Shared: RPG · JRPG · Party-Based RPG

FINAL FANTASY
Shared: RPG · JRPG · Party-Based RPG

Darkest Dungeon®
Shared: RPG · Roguelike · Dungeon Crawler

Stoneshard
Shared: RPG · Roguelike · Pixel Graphics

Chained Echoes
Shared: RPG · JRPG · Pixel Graphics

Slice & Dice
Shared: Roguelike · Turn-Based Strategy · RPG

Elin
Shared: RPG · Roguelike · JRPG

Shin Megami Tensei V: Vengeance
Shared: RPG · JRPG · Creature Collector

OCTOPATH TRAVELER II
Shared: RPG · JRPG · Party-Based RPG

Cassette Beasts
Shared: Party-Based RPG · JRPG · Creature Collector

Digimon Story Cyber Sleuth: Complete Edition
Shared: JRPG · RPG · Creature Collector

FINAL FANTASY II
Shared: RPG · JRPG · Party-Based RPG

Touhou Mystia's Izakaya
Shared: RPG · JRPG · Pixel Graphics

Our Adventurer Guild
Shared: Party-Based RPG · RPG · Turn-Based Strategy

Shiren the Wanderer: The Tower of Fortune and the Dice of Fate
Shared: RPG · Roguelike · Mystery Dungeon

Noita
Shared: Roguelike · Dungeon Crawler · Pixel Graphics

Rebellion GODSOUL: Awakening
Shared: RPG · JRPG · Party-Based RPG